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Data last updated: Oct 23, 2026, 5:45 PM ETLatest filing: Oct 22, 2026Now: Oct 24, 2026, 5:29 AM ET

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David Guyer

Named as an officer, director or promoter on SEC Form D filings · MA, NJ, NY, United Kingdom (as filed: X0) · Jun 16, 2009 → Apr 10, 2019

9deals (issuers)
$345.3Mreported sold
127investors
32Form D filings
2009–2019years on file
Follow this personLook further ↓PDF

Data last updated Oct 23, 2026, 5:45 PM ET · Courts (RECAP) last checked: Oct 24, 2026, 2:18 AM ET · SEC enforcement last checked: covered by the index scan as of Oct 24, 2026, 2:50 AM ET

The short version

David Guyer is listed as an executive officer and director on 32 SEC Form D filings by 9 issuers between Sep 2008 and Apr 2026. Largest by amount reported sold: Aviceda Therapeutics, Inc. (Cambridge, MA — biotechnology — 2024–2025; $75M reported sold to 18 investors), Life Biosciences LLC (Boston, MA — industry reported as "Other" — 2026; $74.8M reported sold to 45 investors), PanOptica, Inc. (Mt. Arlington, NJ — biotechnology — 2010–2019; $40.7M reported sold to 6 investors), Link Medicine Corp (Cambridge, MA — biotechnology — 2008–2011; $40M reported sold to 16 investors), LUX BIOSCIENCES INC (Jersey City, NJ — biotechnology — 2009–2012; $37.9M reported sold to 10 investors) and 4 more (all listed below).

What this means A repeat sponsor — 9 separate companies raised money with this person listed as executive officer and director, over about 18 years. Across those companies the filings report $345.3M sold in total.

Listed alongside Thomas Dyrberg (16 shared filings), Paul Chaney (13 shared filings), Axel Bolte (12 shared filings), Lutz Giebel (11 shared filings), Bruce Peacock (7 shared filings) and 65 others.

What this means These are the other officers, directors or promoters the companies named on the same forms — the team around David. Each name links to their own page.

Public records searched: federal courts (CourtListener / RECAP), SEC enforcement releases, state securities regulators (AZ, CA, DE, TX, WA) — 9 bankruptcy cases matching the name listed in Key records below.

What this means 9 records came back. Each one is listed below with a link to the original document and a line saying why it matched. A name match is not proof it is the same person or company — read the why line and the document. Being sued or named in a release is an accusation, not a finding.

We compared 32 public filings for David Guyer and found 13 differences, 1 worth asking the sponsor about: 5 Form Ds were filed more than 15 days after the first sale; and more below.

What this means These are differences between the sponsor's own SEC filings — both values, dates and sources are listed in Key records, section 4. Most have ordinary explanations; ask the sponsor.

What the community is saying

Community search for David Guyer has not run yet — it is joining a line of 17,297 names; searches run around the clock at the hosts' allowed rate. Searched so far: 28 names.

Community comments are quoted as written by their authors. Sources searched: BiggerPockets forums (via DuckDuckGo, Brave, Bing and BiggerPockets search) and Reddit (search feed + public archive).

Key records

Five things investors ask first. Items still in human review are counted, not shown.

1. Lawsuits

None found in sources searched — federal courts (CourtListener / RECAP), checked Oct 24, 2026

What was searched

Sources searched: CourtListener bulk data (RECAP dockets as of 2026-09-30; recall-first rule 10-24) — federal district + bankruptcy courts State courts: not covered (one-tap state court links under Look further). PACER: not searched. · Last checked Oct 24, 2026, 2:18 AM ET.

State courts: not covered (one-tap state court links under Look further). No state offers a lawful automated statewide source PartnerFacts can use today. Texas (re:SearchTX) terms prohibit storing results in a database open to third parties; New York (WebCivil) and Massachusetts (MassCourts) require a browser check that blocks scripted queries; California has no statewide index (58 county portals; Rule of Court 2.503 grants name-based access case by case); Florida, Utah and Illinois offer paid or partial access whose terms for automated use are unverified. Washington (dw.courts.wa.gov; bulk index reports under a JISC data-dissemination agreement), Delaware (CourtConnect; Court of Chancery not included) and Arizona (apps.azcourts.gov/publicaccess, which has an official channel to request high-volume access) are the candidates; PartnerFacts will request written permission before any automated search. Federal courts are searched through CourtListener / RECAP.

2. Regulatory actions

None found in sources searched — SEC enforcement releases (index scan as of Oct 24, 2026, 2:50 AM ET) · state securities regulators: AZ, CA, DE, TX, WA (crawled Oct 23, 2026)

What was searched

SEC enforcement searched: SEC litigation releases and administrative proceedings — respondent names in the sec.gov index titles (30,205 releases, 1995-09-19 to 2026-10-23); release text is read only to confirm a candidate. Names that appear only in the body of a release are not found. — Searched SEC litigation releases and administrative proceedings (1995→ / 2007→) (30,205 records as of Oct 24, 2026, 2:50 AM ET) — nothing matched David Guyer..

State securities regulators searched: AZ (Corporation Commission Securities Division), CA (DFPI — 16 of 12,159 DFPI respondent pages read so far; sponsor-name matches are read first), DE (DOJ Investor Protection Unit), TX (State Securities Board), WA (DFI) — last crawled Oct 23, 2026, 9:57 PM ET. Other states are not covered.

3. Bankruptcies

9 cases: 9 closed (disposition not in docket feed)

David B Guyer closed
United States Bankruptcy Court, N.D. New York · No. 14-30561 · Filed Apr 3, 2014 · Closed Jul 11, 2019
Role of David B Guyer: Debtor · Outcome: Case closed 2019-07-11 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in the person's filing state (NY)
David L. Guyer closed
United States Bankruptcy Court, M.D. Pennsylvania · No. 1:13-bk-06018 · Filed Nov 22, 2013 · Closed Mar 10, 2014
Role of David L. Guyer: Debtor · Outcome: Case closed 2014-03-10 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in PA (not a filing state)
David L. Guyer and Maria L. Guyer closed
United States Bankruptcy Court, E.D. Oklahoma · No. 11-80004 · Filed Jan 4, 2011 · Closed Apr 28, 2011
Role of David L. Guyer and Maria L. Guyer: Debtor · Outcome: Case closed 2011-04-28 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in OK (not a filing state)
David M. Guyer and Kristin R. Guyer closed
United States Bankruptcy Court, W.D. Tennessee · No. 10-25377 · Filed May 18, 2010 · Closed Nov 5, 2010
Role of David M. Guyer and Kristin R. Guyer: Debtor · Outcome: Case closed 2010-11-05 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in TN (not a filing state)
David L. Guyer closed
United States Bankruptcy Court, D. New Hampshire · No. 02-13870 · Filed Dec 16, 2002 · Closed Aug 2, 2004
Role of David L. Guyer: Debtor · Outcome: Case closed 2004-08-02 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in NH (not a filing state)
David Guyer and E Joyce Guyer closed
United States Bankruptcy Court, C.D. California · No. 2:01-bk-31003 · Filed Jul 9, 2001 · Closed Dec 7, 2001
Role of David Guyer and E Joyce Guyer: Debtor · Outcome: Case closed 2001-12-07 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in the person's filing state (CA)
David Guyer closed
United States Bankruptcy Court, N.D. Illinois · No. 00-72068 · Filed Jun 26, 2000 · Closed Oct 17, 2000
Role of David Guyer: Debtor · Outcome: Case closed 2000-10-17 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in IL (not a filing state)
David K. Guyer and Hilda M. Guyer closed
United States Bankruptcy Court, M.D. Pennsylvania · No. 1:92-bk-01182 · Filed May 6, 1992 · Closed Dec 23, 1992
Role of David K. Guyer and Hilda M. Guyer: Debtor · Outcome: Case closed 1992-12-23 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in PA (not a filing state)
David L. Guyer and Dona X. Guyer closed
United States Bankruptcy Court, W.D. Wisconsin · No. 3-92-30892 · Filed Mar 13, 1992 · Closed Jul 19, 1995
Role of David L. Guyer and Dona X. Guyer: Debtor · Outcome: Case closed 1995-07-19 (disposition not included in the bulk docket feed — see docket) Docket on CourtListener ↗
same full name (a name found in 11 federal dockets); 3 people with this name in Form D filings; court in WI (not a filing state)
What was searched

Sources searched: Federal bankruptcy courts via CourtListener / RECAP archive (federal district courts, federal bankruptcy courts). State courts: not covered (one-tap state court links under Look further). PACER: not searched (RECAP only). · Last checked Oct 24, 2026, 2:18 AM ET.

Court records show docket facts only; we never restate allegations as facts. Outcome wording comes from the docket feed; where it does not state a disposition we say so.

State courts: not covered (one-tap state court links under Look further). No state offers a lawful automated statewide source PartnerFacts can use today. Texas (re:SearchTX) terms prohibit storing results in a database open to third parties; New York (WebCivil) and Massachusetts (MassCourts) require a browser check that blocks scripted queries; California has no statewide index (58 county portals; Rule of Court 2.503 grants name-based access case by case); Florida, Utah and Illinois offer paid or partial access whose terms for automated use are unverified. Washington (dw.courts.wa.gov; bulk index reports under a JISC data-dissemination agreement), Delaware (CourtConnect; Court of Chancery not included) and Arizona (apps.azcourts.gov/publicaccess, which has an official channel to request high-volume access) are the candidates; PartnerFacts will request written permission before any automated search. Federal courts are searched through CourtListener / RECAP.

4. Differences between public sources

Comparisons cover issuers and sponsor groups — see the issuer pages under Deals

13 differences found between the filings for David Guyer — 1 worth asking about (compared 32 filings on Oct 24, 2026)

Worth asking · Sep 12, 2008 – Apr 24, 2026

5 Form Ds were filed more than 15 days after the first sale

Form D filed 150 days after the first sale — Life Biosciences LLC · Form D filed 17 days after the first sale — Eyebiotech Ltd · Form D filed 17 days after the first sale — PanOptica, Inc. · Form D filed 17 days after the first sale — LUX BIOSCIENCES INC · Form D filed 17 days after the first sale — Link Medicine Corp

What this means Late notices are common and carry no penalty by themselves. A pattern of late paperwork is worth asking the sponsor about.

Form D · Apr 24, 2026 ↗Life Biosciences LLC — PartnerFacts page ↗Form D · Aug 19, 2021 ↗Eyebiotech Ltd — PartnerFacts page ↗
Sources
Note · Mar 19, 2013 – Jun 3, 2013

David Guyer's role changed at Ophthotech Corp.: director → executive officer, director

The Mar 19, 2013 filing lists David Guyer as director; the Jun 3, 2013 Form D lists executive officer, director.

What this means Roles on Form D are self-reported by the issuer. A change can mean a real change in who runs the company, or just a different box ticked. Ask who makes decisions today.

Form D · Mar 19, 2013 ↗Form D · Jun 3, 2013 ↗David Guyer — PartnerFacts page ↗Ophthotech Corp. — PartnerFacts page ↗
Sources
Note · Jun 16, 2009 – Jan 13, 2025

6 offerings changed their target amount between filings

Offering amount changed between filings — Aviceda Therapeutics, Inc. · Offering amount changed between filings — PanOptica, Inc. · Offering amount lowered between filings — PanOptica, Inc. · Offering amount changed between filings — PanOptica, Inc. · Offering amount changed between filings — Ophthotech Corp. · and 1 more

What this means Targets change as deals grow or shrink. Ask whether later money has the same terms.

Form D (earlier) · Nov 22, 2024 ↗Form D/A (later) · Jan 13, 2025 ↗Aviceda Therapeutics, Inc. — PartnerFacts page ↗Form D/A (earlier) · May 27, 2016 ↗
Sources
Note · Mar 16, 2009 – Jan 13, 2025

13 offerings have no amendment in the last 12 months and may still be open

No amendment in the last 12 months on an offering that may still be open — Aviceda Therapeutics, Inc. (latest filing Jan 13, 2025) · No amendment in the last 12 months on an offering that may still be open — PanOptica, Inc. (latest filing Apr 10, 2019) · No amendment in the last 12 months on an offering that may still be open — Ophthotech Corp. (latest filing Nov 2, 2018) · No amendment in the last 12 months on an offering that may still be open — Ophthotech Corp. (latest filing Jun 3, 2013) · No amendment in the last 12 months on an offering that may still be open — PanOptica, Inc. (latest filing Mar 6, 2012) · and 8 more

What this means SEC rules expect a yearly amendment while an offering is still going. Ask the sponsor which of these raises have closed.

Form D/A · Jan 13, 2025 ↗Aviceda Therapeutics, Inc. — PartnerFacts page ↗Form D/A · Apr 10, 2019 ↗PanOptica, Inc. — PartnerFacts page ↗
Sources
Note · Sep 29, 2008 – Aug 19, 2021

David Guyer is written 2 different ways on the filings

listed as "David Guyer" on 31 filings (from Sep 29, 2008), and "David Robert Guyer" on the Aug 19, 2021 filing.

What this means Same person, written differently — a middle name or suffix left off, or spelled another way. It is normal, but check that the full legal name matches your subscription documents.

Form D · Sep 29, 2008 ↗Form D · Aug 19, 2021 ↗David Guyer — PartnerFacts page ↗
Sources
Note · Mar 19, 2009 – Feb 10, 2011

Industry group changed between filings — NEOVISTA INC

"Other" (Mar 19, 2009 to Jun 11, 2010); then "Other Health Care" (Feb 10, 2011).

What this means The issuer described its business differently on different forms. Often it is just a different box ticked; sometimes the deal itself changed. Ask which business your money is in.

Form D · Mar 19, 2009 ↗Form D · Feb 10, 2011 ↗NEOVISTA INC — PartnerFacts page ↗
Sources
Note · Jul 15, 2021 – Oct 10, 2024

Same name, different state: "David Guyer" (TX) is a separate record

This page covers filings where the address state is MA or NJ or NY or X0. A separate record, "David Guyer" with address state TX, is listed on 2 filings — most recently by Invectys, Inc. (Oct 10, 2024). The two records do not overlap in time: this page runs Jun 16, 2009 to Apr 10, 2019; the other runs Jul 15, 2021 to Oct 10, 2024.

What this means Could be the same person who moved, or two people with the same name. We keep them apart until a filing ties them together. Check both pages before you decide.

David Guyer (TX) — PartnerFacts page ↗Form D · Oct 10, 2024 ↗Invectys, Inc. — PartnerFacts page ↗David Guyer (MA,NJ,NY,X0) — this page ↗
Sources
Note · Jun 6, 2018

Same name, different state: "David Guyer" (WA) is a separate record

This page covers filings where the address state is MA or NJ or NY or X0. A separate record, "David Guyer" with address state WA, is listed on 1 filing — most recently by Sound Pharmaceuticals Inc (Jun 6, 2018). Both records have filings in the same period (Jun 6, 2018).

What this means Two records with one name were active at the same time. That can be one person listing different company addresses, or two different people. We keep them apart until a filing ties them together. Check both pages before you decide.

David Guyer (WA) — PartnerFacts page ↗Form D · Jun 6, 2018 ↗Sound Pharmaceuticals Inc — PartnerFacts page ↗David Guyer (MA,NJ,NY,X0) — this page ↗
Sources
Note · Mar 19, 2009 – Apr 10, 2019

5 address changes between filings

Address moved from Bernardsville, NJ to Mt. Arlington, NJ — PanOptica, Inc. · Address moved from Princeton, NJ to New York, NY — Ophthotech Corp. · Address moved from New York, NY to Princeton, NJ — Ophthotech Corp. · Address moved from Mt. Arlington, NJ to Bernardsville, NJ — PanOptica, Inc. · Address moved from Fremont, CA to Boston, MA — NEOVISTA INC

What this means Businesses move. If you were told one city and the forms say another, ask which is current.

Form D/A · Oct 16, 2017 ↗Form D/A · Apr 10, 2019 ↗PanOptica, Inc. — PartnerFacts page ↗Form D · Jun 3, 2013 ↗
Sources
Note · Sep 29, 2008 – Apr 24, 2026

David Guyer is listed with 4 different address states: MA, NJ, NY, X0

MA on 11 filings (Sep 29, 2008 to Apr 24, 2026); NJ on 17 filings (Jun 16, 2009 to Apr 10, 2019); NY on 3 filings (Oct 19, 2009 to Nov 2, 2018); United Kingdom (as filed: X0) on 1 filing (Aug 19, 2021).

What this means The address on a Form D is usually the company's, not the person's home, so this often just reflects different companies. It can also mean a move. Nothing wrong by itself.

Form D · Sep 29, 2008 ↗Form D · Jun 16, 2009 ↗Form D · Oct 19, 2009 ↗Form D · Aug 19, 2021 ↗
Sources
Note · Jun 16, 2009 – Mar 18, 2011

Reported revenue range changed between filings — LUX BIOSCIENCES INC

"No Revenues" (Jun 16, 2009); then "Decline to Disclose" (Mar 18, 2011).

What this means This is the size band the issuer picks for itself on the form. A change can mean the business grew or shrank — or that it chose not to say. Ask for current numbers.

Form D · Jun 16, 2009 ↗Form D · Mar 18, 2011 ↗LUX BIOSCIENCES INC — PartnerFacts page ↗
Sources
Note · Sep 29, 2008 – Apr 30, 2010

Reported revenue range changed between filings — Link Medicine Corp

"No Revenues" (Sep 29, 2008); then "Decline to Disclose" (Apr 30, 2010).

What this means This is the size band the issuer picks for itself on the form. A change can mean the business grew or shrank — or that it chose not to say. Ask for current numbers.

Form D · Sep 29, 2008 ↗Form D · Apr 30, 2010 ↗Link Medicine Corp — PartnerFacts page ↗
Sources
Note · Jun 16, 2009 – Oct 30, 2009

Minimum investment changed between filings — LUX BIOSCIENCES INC

The Jun 16, 2009 filing lists a minimum of $21,167; the Oct 30, 2009 Form D lists $87,302.

What this means A different minimum usually means the offering terms changed. Check which terms apply to you.

Form D (earlier) · Jun 16, 2009 ↗Form D (later) · Oct 30, 2009 ↗LUX BIOSCIENCES INC — PartnerFacts page ↗
Sources
What is compared

What is compared: every Form D and D/A we hold for this subject, side by side — filing dates vs. first-sale dates (the 15-day rule), amendment timing on open offerings (the yearly-amendment expectation), amounts sold, investor counts, offering amounts and minimums across amendments, industry and size bands, addresses, how each person's name and role is written, paid sellers' CRD numbers, and (for groups) where the member companies were formed and sit. Everything is as filed by the issuer; the SEC does not check it. Differences are common and usually have ordinary explanations — we show both values, the dates, and the source so you can ask. As of Oct 24, 2026.

5. Money to insiders

2 of 25 offerings report sales commissions totalling $5,750,000; 1 reports finder's fees totalling $30,000; 1 reports proceeds to related persons totalling $450,000. (includes amounts the issuer reported as estimates)

Offering (latest filing)Sales commissionsFinder's feesTo insidersPaid to sell itSource
Apr 24, 2026 D
Life Biosciences LLC
File 021-581853
$0$30,000$0Chatsworth Securities LLC BrokerCheck CRD 40804 ↗EDGAR ↗
Jan 13, 2025 D/A
Aviceda Therapeutics, Inc.
File 021-530215
$5,000,000 (est.)$0$0Leerink Partners LLC BrokerCheck CRD 39011 ↗EDGAR ↗
Aug 19, 2021 D
Eyebiotech Ltd
File 021-410579
$0$0$0None listed on this filingEDGAR ↗
Apr 10, 2019 D/A
PanOptica, Inc.
File 021-215787
$0$0$0None listed on this filingEDGAR ↗
Nov 2, 2018 D
Ophthotech Corp.
File 021-324993
$0$0$0None listed on this filingEDGAR ↗
Dec 23, 2013 D/A
ALLOCURE INC
File 021-176419
$0$0$0None listed on this filingEDGAR ↗
Jun 3, 2013 D
Ophthotech Corp.
File 021-197362
$0$0$0None listed on this filingEDGAR ↗
Mar 19, 2013 D
Ophthotech Corp.
File 021-193562
$0$0$0None listed on this filingEDGAR ↗
Jan 3, 2013 D
Ophthotech Corp.
File 021-189331
$0$0$0None listed on this filingEDGAR ↗
Jul 3, 2012 D
Ophthotech Corp.
File 021-180685
$0$0$0None listed on this filingEDGAR ↗
Mar 6, 2012 D/A
PanOptica, Inc.
File 021-152532
$0$0$0 (est.)None listed on this filingEDGAR ↗
Mar 6, 2012 D
LUX BIOSCIENCES INC
File 021-174381
$0$0$0None listed on this filingEDGAR ↗
Dec 12, 2011 D
LUX BIOSCIENCES INC
File 021-169899
$0$0$0None listed on this filingEDGAR ↗
Jul 14, 2011 D
LUX BIOSCIENCES INC
File 021-162866
$0$0$0None listed on this filingEDGAR ↗
Apr 20, 2011 D
Link Medicine Corp
File 021-158672
$0$0$0 (est.)None listed on this filingEDGAR ↗
Mar 18, 2011 D
LUX BIOSCIENCES INC
File 021-156981
$0$0$0None listed on this filingEDGAR ↗
Feb 10, 2011 D
NEOVISTA INC
File 021-155170
$0$0$0None listed on this filingEDGAR ↗
Dec 20, 2010 D
LUX BIOSCIENCES INC
File 021-152213
$0$0$0None listed on this filingEDGAR ↗
Jun 11, 2010 D
NEOVISTA INC
File 021-143333
$0$0$0None listed on this filingEDGAR ↗
Apr 30, 2010 D
Link Medicine Corp
File 021-141389
$0$0$0 (est.)None listed on this filingEDGAR ↗
Apr 27, 2010 D
NEOVISTA INC
File 021-141171
$0$0$0None listed on this filingEDGAR ↗
Dec 18, 2009 D
Ophthotech Corp.
File 021-107978
$0$0$0None listed on this filingEDGAR ↗
Oct 30, 2009 D
LUX BIOSCIENCES INC
File 021-90990
$0$0$0None listed on this filingEDGAR ↗
Mar 19, 2009 D
NEOVISTA INC
File 021-54969
$0$0$0None listed on this filingEDGAR ↗
Sep 29, 2008 D
Link Medicine Corp
File 021-76287
$750,000 (est.)$0$450,000 (est.)MTS Securities, LLC BrokerCheck CRD 104059 ↗
via MTS Securities, MTS (CRD 104059 ↗)
EDGAR ↗
How this is counted

Counts come from Form D Items 12–15 on the filings in our index (latest filing per offering; one offering = one SEC file number; an amendment updates its offering rather than adding one). "To insiders" = gross proceeds used for payments to executive officers, directors or promoters. "—" = not reported on that filing. Amounts marked (est.) were reported as estimates. "Paid to sell it" = sales compensation recipients named on that filing (Item 12), each linked to FINRA BrokerCheck when a CRD number is reported.

Counted across every filing this person is listed on (latest filing per offering, per issuer).

Deals 9

Every issuer that named David Guyer on a Form D, newest first. A Form D is the notice a company files after it starts selling a private investment.

LB
Other

Life Biosciences LLC

Boston, MA · Apr 24, 2026
  • Apr 24, 2026 · D · $31,000,002 sold of $31,000,002 · 8 investors · min. No minimum reported · role: Director EDGAR ↗

Raised $74.8M from 45 investors (100% of the $31M target) as of the latest filing. David is listed as director.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Other / 506(b) (18,678 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

AT
Biotechnology

Aviceda Therapeutics, Inc.

Cambridge, MA · Nov 22, 2024 → Jan 13, 2025 · 2 filings
  • Jan 13, 2025 · D/A · $74,999,940 sold of $207,499,882 · 17 investors · min. No minimum reported · role: Director EDGAR ↗
  • Nov 22, 2024 · D · $0 sold of $200,000,000 · 0 investors · min. No minimum reported · role: Director EDGAR ↗

Raised $75M from 18 investors (36% of the $207.5M target) as of the latest filing. David is listed as director on 2 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Biotechnology / 506(b) (3,253 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

E
Pharmaceuticals

Eyebiotech Ltd

Holborn, London, United Kingdom (as filed: X0) · Aug 19, 2021
  • Aug 19, 2021 · D · $486 sold of $486 · 1 investors · min. No minimum reported · role: Executive Officer EDGAR ↗

Raised $486 from 1 investor (100% of the $486 target) as of the latest filing. David is listed as executive officer.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pharmaceuticals / 506(b) (800 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

P
Biotechnology

PanOptica, Inc.

Mt. Arlington, NJ · Dec 27, 2010 → Apr 10, 2019 · 6 filings
  • Apr 10, 2019 · D/A · $40,681,615 sold of $47,281,615 · 6 investors · min. No minimum reported · role: Director EDGAR ↗
  • Oct 16, 2017 · D/A · $30,208,616 sold of $47,281,615 · 6 investors · min. No minimum reported · role: Director EDGAR ↗
  • May 27, 2016 · D/A · $23,883,195 sold of $27,131,616 · 5 investors · min. No minimum reported · role: Director EDGAR ↗
  • Apr 17, 2014 · D · $12,625,699 sold of $45,465,696 · 5 investors · min. No minimum reported · role: Director EDGAR ↗
  • Mar 6, 2012 · D/A · $16,580,368 sold of $36,147,034 · 5 investors · min. No minimum reported · role: Director EDGAR ↗
  • Dec 27, 2010 · D · $10,533,333 sold of $30,000,000 · 5 investors · min. No minimum reported · role: Director EDGAR ↗

Raised $40.7M from 6 investors (86% of the $47.3M target) as of the latest filing. David is listed as director on 6 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Biotechnology / 506(b) (3,253 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

OC
Biotechnology

Ophthotech Corp.

New York, NY · Oct 19, 2009 → Nov 2, 2018 · 7 filings
  • Nov 2, 2018 · D · $11,399,894 sold of $11,694,883 · 2 investors · min. No minimum reported · role: Executive Officer, Director EDGAR ↗
  • Jun 3, 2013 · D · $16,666,668 sold of $50,000,000 · 7 investors · min. No minimum reported · role: Executive Officer, Director EDGAR ↗
  • Mar 19, 2013 · D · $1 sold of $1 · 1 investors · min. No minimum reported · role: Director EDGAR ↗
  • Jan 3, 2013 · D · $1 sold of $1 · 1 investors · min. No minimum reported · role: Director EDGAR ↗
  • Jul 3, 2012 · D · $1 sold of $1 · 1 investors · min. No minimum reported · role: Director EDGAR ↗
  • Dec 18, 2009 · D · $15,000,000 sold of $30,000,000 · 7 investors · min. No minimum reported · role: Director EDGAR ↗
  • Oct 19, 2009 · D · $3,000,000 sold of $3,000,000 · 5 investors · min. No minimum reported · role: Director EDGAR ↗

Raised $16.7M from 7 investors (100% of the $11.7M target) as of the latest filing. David is listed as executive officer, director on 7 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Biotechnology / 506(b) (3,253 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

A
Biotechnology

ALLOCURE INC

Burlington, MA · Dec 23, 2013
  • Dec 23, 2013 · D/A · $26,500,008 sold of $26,500,008 · 5 investors · min. No minimum reported · role: Director EDGAR ↗

Raised $26.5M from 5 investors (100% of the $26.5M target) as of the latest filing. David is listed as director.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer. "Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Biotechnology / 506(b) (3,253 filings); ranges are the middle half (25th–75th percentile). Computed by PartnerFacts from SEC EDGAR Form D data as of Oct 23, 2026, 5:45 PM ET. Rows without a range: fewer than 30 comparable filings, or not a Rule 506 offering. No ranking or score.

LB
Biotechnology

LUX BIOSCIENCES INC

Jersey City, NJ · Jun 16, 2009 → Mar 6, 2012 · 7 filings
  • Mar 6, 2012 · D · $16,000,000 sold of $17,110,000 · 8 investors · min. No minimum reported · role: Director EDGAR ↗
  • Dec 12, 2011 · D · $4,000,000 sold of $4,350,000 · 10 investors · min. No minimum reported · role: Director EDGAR ↗
  • Jul 14, 2011 · D · $6,000,000 sold of $6,000,000 · 10 investors · min. No minimum reported · role: Director EDGAR ↗
  • Mar 18, 2011 · D · $3,000,000 sold of $4,500,000 · 10 investors · min. $6,916 · role: Director EDGAR ↗
  • Dec 20, 2010 · D · $5,000,000 sold of $5,000,000 · 10 investors · min. $11,526 · role: Director EDGAR ↗
  • Oct 30, 2009 · D · $37,940,274 sold of $49,940,274 · 10 investors · min. $87,302 · role: Director EDGAR ↗
  • Jun 16, 2009 · D · $9,200,000 sold of $9,200,000 · 10 investors · min. $21,167 · role: Director EDGAR ↗

Raised $37.9M from 10 investors (100% of the $17.1M target) as of the latest filing. David is listed as director on 7 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer.

LM
Biotechnology

Link Medicine Corp

Cambridge, MA · Sep 29, 2008 → Apr 20, 2011 · 3 filings
  • Apr 20, 2011 · D · $4,808,500 sold of $4,808,500 · 16 investors · min. No minimum reported · role: Director EDGAR ↗
  • Apr 30, 2010 · D · $20,000,003 sold of $20,000,003 · 9 investors · min. No minimum reported · role: Director EDGAR ↗
  • Sep 29, 2008 · D · $40,000,000 sold of $40,000,000 · 4 investors · min. $300,000 · role: Director EDGAR ↗

Raised $40M from 16 investors (100% of the $4.81M target) as of the latest filing. David is listed as director on 3 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer.

N
Other Health Care

NEOVISTA INC

Newark, CA · Mar 19, 2009 → Feb 10, 2011 · 4 filings
  • Feb 10, 2011 · D · $33,784,545 sold of $37,879,999 · 19 investors · min. $1 · role: Director EDGAR ↗
  • Jun 11, 2010 · D · $3,203,200 sold of $12,012,000 · 18 investors · min. $1 · role: Director EDGAR ↗
  • Apr 27, 2010 · D · $3,003,000 sold of $3,003,000 · 17 investors · min. $1 · role: Director EDGAR ↗
  • Mar 19, 2009 · D · $17,159,890 sold of $18,000,000 · 18 investors · min. No minimum reported · role: Director EDGAR ↗

Raised $33.8M from 19 investors (89% of the $37.9M target) as of the latest filing. David is listed as director on 4 filings for this deal.

Latest filing on EDGAR ↗
Sources

Every row is a Form D or D/A on which the issuer listed this name as a related person. Amount sold and investors are the maximum reported on any filing for this issuer.

Other pages with the same name (2)

Separate person records under the same name, not combined with this page. Each line says whether it shares an issuer with this record.

  • David Guyer — WA, 1 issuer, Jun 6, 2018 → Jun 6, 2018 · no shared issuer
  • David Guyer — TX, 1 issuer, Jul 15, 2021 → Oct 10, 2024 · no shared issuer

People around David 40

Officers, directors, promoters and management entities named on the same filings, as of Oct 23, 2026, 5:45 PM ET. Showing the 40 with the most shared filings.

CA
Management entity

Clarke Atwell

Executive Officer · 7 shared filings (1 issuer) · also on 1 other issuer

Listed on the same filings as David Guyer. Their page shows their other deals.

TD
No photo found yet (own website and image search run after this page is viewed)
Person

Thomas Dyrberg

Director · 16 shared filings (4 issuers) · also on 2 other issuers

Thomas Dyrberg is on 6 issuers in total — a repeat sponsor. Their page lists every one.

PC
No photo found yet (own website and image search run after this page is viewed)
Person

Paul Chaney

Director, Executive Officer · 13 shared filings (2 issuers) · also on 2 other issuers

Listed on the same filings as David Guyer. Their page shows their other deals.

AB
No photo found yet (own website and image search run after this page is viewed)
Person

Axel Bolte

Director · 12 shared filings (2 issuers) · also on 4 other issuers

Axel Bolte is on 6 issuers in total — a repeat sponsor. Their page lists every one.

LG
No photo found yet (own website and image search run after this page is viewed)
Person

Lutz Giebel

Director · 11 shared filings (3 issuers) · also on 5 other issuers

Lutz Giebel is on 8 issuers in total — a repeat sponsor. Their page lists every one.

EA
No photo found yet (own website and image search run after this page is viewed)
Person

Eddy Anglade

Executive Officer · 7 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

DS
No photo found yet (own website and image search run after this page is viewed)
Person

David Schnell

Director · 7 shared filings (1 issuer) · also on 8 other issuers

David Schnell is on 9 issuers in total — a repeat sponsor. Their page lists every one.

BP
No photo found yet (own website and image search run after this page is viewed)
Person

Bruce Peacock

Executive Officer, Director · 7 shared filings (2 issuers) · also on 1 other issuer

Listed on the same filings as David Guyer. Their page shows their other deals.

SP
No photo found yet (own website and image search run after this page is viewed)
Person

Samir C. Patel

Executive Officer, Director · 6 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

EH
No photo found yet (own website and image search run after this page is viewed)
Person

Evelyn Harrison

Executive Officer · 6 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

MR
No photo found yet (own website and image search run after this page is viewed)
Person

Michael Ross

Director, Executive Officer · 6 shared filings (3 issuers) · also on 27 other issuers

Michael Ross is on 30 issuers in total — a repeat sponsor. Their page lists every one.

NG
No photo found yet (own website and image search run after this page is viewed)
Person

Nicholas Galakatos

Director · 5 shared filings (1 issuer) · also on 31 other issuers

Nicholas Galakatos is on 32 issuers in total — a repeat sponsor. Their page lists every one.

KS
No photo found yet (own website and image search run after this page is viewed)
Person

Kevin Starr

Director · 5 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

DM
No photo found yet (own website and image search run after this page is viewed)
Person

Dean Mitchell

Executive Officer, Director · 5 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

WG
No photo found yet (own website and image search run after this page is viewed)
Person

William Greene

Director · 4 shared filings (1 issuer) · also on 10 other issuers

William Greene is on 11 issuers in total — a repeat sponsor. Their page lists every one.

WL
No photo found yet (own website and image search run after this page is viewed)
Person

William Link

Director · 4 shared filings (1 issuer) · also on 28 other issuers

William Link is on 29 issuers in total — a repeat sponsor. Their page lists every one.

JH
No photo found yet (own website and image search run after this page is viewed)
Person

John Hendrick

Executive Officer, Director · 4 shared filings (1 issuer) · also on 2 other issuers

Listed on the same filings as David Guyer. Their page shows their other deals.

SW
No photo found yet (own website and image search run after this page is viewed)
Person

Steven Waite

Director · 4 shared filings (1 issuer) · also on 5 other issuers

Steven Waite is on 6 issuers in total — a repeat sponsor. Their page lists every one.

TD
No photo found yet (own website and image search run after this page is viewed)
Person

Timothy Dumke

Executive Officer · 4 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

RS
No photo found yet (own website and image search run after this page is viewed)
Person

Ryan Schwarz

Director · 4 shared filings (1 issuer) · also on 13 other issuers

Ryan Schwarz is on 14 issuers in total — a repeat sponsor. Their page lists every one.

PL
No photo found yet (own website and image search run after this page is viewed)
Person

Peter T. Lansbury

Executive Officer, Director · 3 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

ES
No photo found yet (own website and image search run after this page is viewed)
Person

Edward Scolnick

Director · 3 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

SM
No photo found yet (own website and image search run after this page is viewed)
Person

Stephen Martin

Director · 3 shared filings (1 issuer) · also on 2 other issuers

Listed on the same filings as David Guyer. Their page shows their other deals.

CG
No photo found yet (own website and image search run after this page is viewed)
Person

Colin Goddard

Director · 3 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

NG
No photo found yet (own website and image search run after this page is viewed)
Person

Nick Galakatos

Director · 3 shared filings (1 issuer) · also on 4 other issuers

Nick Galakatos is on 5 issuers in total — a repeat sponsor. Their page lists every one.

UG
No photo found yet (own website and image search run after this page is viewed)
Person

Ulrich M. Grau

Executive Officer, Director · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

DF
No photo found yet (own website and image search run after this page is viewed)
Person

David Frankel

Director · 2 shared filings (1 issuer) · also on 15 other issuers

David Frankel is on 16 issuers in total — a repeat sponsor. Their page lists every one.

JD
No photo found yet (own website and image search run after this page is viewed)
Person

John F. Dee

Executive Officer, Director · 2 shared filings (1 issuer) · also on 1 other issuer

Listed on the same filings as David Guyer. Their page shows their other deals.

AB
No photo found yet (own website and image search run after this page is viewed)
Person

Alex Bolte

Director · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

TB
No photo found yet (own website and image search run after this page is viewed)
Person

Thomas Biancardi

Executive Officer · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

HS
No photo found yet (own website and image search run after this page is viewed)
Person

Henry Simon

Director · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

RP
No photo found yet (own website and image search run after this page is viewed)
Person

R. Michael Poole

Executive Officer · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

MS
No photo found yet (own website and image search run after this page is viewed)
Person

Michael Solomon

Executive Officer · 2 shared filings (1 issuer) · also on 2 other issuers

Listed on the same filings as David Guyer. Their page shows their other deals.

GE
No photo found yet (own website and image search run after this page is viewed)
Person

George Eldridge

Executive Officer · 2 shared filings (1 issuer) · also on 2 other issuers

Listed on the same filings as David Guyer. Their page shows their other deals.

MT
No photo found yet (own website and image search run after this page is viewed)
Person

Michael Tolentino

Executive Officer, Director · 2 shared filings (1 issuer) · also on 1 other issuer

Listed on the same filings as David Guyer. Their page shows their other deals.

DK
No photo found yet (own website and image search run after this page is viewed)
Person

Derek Kunimoto

Executive Officer · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

MG
No photo found yet (own website and image search run after this page is viewed)
Person

Mohamed Genead

Executive Officer, Director · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

NT
No photo found yet (own website and image search run after this page is viewed)
Person

Nancy Thomason

Director · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

JW
No photo found yet (own website and image search run after this page is viewed)
Person

Jay Woods

Director · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

EL
No photo found yet (own website and image search run after this page is viewed)
Person

Erin Lavelle

Director · 2 shared filings (1 issuer)

Listed on the same filings as David Guyer. Their page shows their other deals.

The team behind the deals

Same business address

51 other issuers file from the same address (first 50 shown)

A shared address can mean the same team, a shared office building or a registered agent. It is a lead, not a conclusion.

Registrations and other filings

Adviser registration (Form ADV)

None of the 9 issuers this person is listed on appears in Form ADV (searched 24,962 advisers as of Oct 2, 2026). A person is never an adviser firm; Form ADV is checked for the issuers and the management companies they are listed with.

Other offering types (Regulation A and Regulation Crowdfunding)

Searched SEC Regulation A Data Sets (Forms 1-A, 1-K, 1-Z; 2015 Q2 → 2026 Q3); SEC Crowdfunding Offerings Data Sets (Form C family; 2016 Q2 → 2026 Q3); EDGAR form index for 2026 Q3 → 2026 Q4 (51,358 records as of Oct 23, 2026, 8:41 PM ET) — nothing matched this name.

Property records none — individuals are not matched

Property records are matched to companies only, never to individuals, so none are matched to David Guyer by design. Searched property records in Hillsborough County FL (Clerk recorded-document index Oct 14, 2026 to Oct 15, 2026 + FL DOR 2026 ownership roll), Miami-Dade County FL (FL DOR 2026 ownership roll), Harris County TX (HCAD 2026 ownership roll), Dallas County TX (DCAD 2026 ownership roll), New York City ACRIS documents and PLUTO ownership rows already retrieved for other issuers, Cook County IL sale and ownership rows already retrieved for other issuers (814,874 records as of Oct 23, 2026, 8:59 PM ET) for the 9 issuers this person is listed on — nothing matched.

Public profiles and social

Websites and social links of the issuers David Guyer is listed on: none on file. No website or social profile named in Link Medicine Corp's SEC filings (Form C, Reg A, Form ADV; checked Oct 24, 2026). Web search for this name: #353,427 of 374,652 in line (14 issuers searched so far). One-tap searches: Look further ↓

Look further

One-tap searches on sites we do not index ourselves, with the name pre-filled (Cambridge, MA). Each opens in a new tab; what you find there is not verified by PartnerFacts.

Social and web

LinkedIn people search ↗Instagram ↗X (Twitter) ↗Facebook ↗YouTube ↗Google ↗Google Images ↗Google News ↗Meta Ad Library ↗

Courts

CourtListener / RECAP (federal) ↗PACER case locator (federal, login) ↗Massachusetts MassCourts ↗New Jersey state courts — find the court ↗New York WebCivil Supreme ↗California — find the county court ↗Los Angeles Superior Court case search ↗

Securities regulators

SEC EDGAR full-text search ↗SEC action look-up ↗FINRA BrokerCheck ↗SEC IAPD adviser search ↗

Business registries

Massachusetts Secretary of State business search ↗New Jersey Secretary of State business search ↗New York Secretary of State business search ↗California Secretary of State business search ↗OpenCorporates ↗

Change history

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