PartnerFacts
Data last updated: Oct 23, 2026, 5:45 PM ETLatest filing: Oct 22, 2026Now: Oct 24, 2026, 2:13 AM ET

Sponsor Check › Person

Peter Harwin

Related person on Form D filings · address states as listed: MA, PA, CO, TX · listed Oct 6, 2016 → Oct 8, 2026

20issuers
47Form D filings
2016–2026years listed

Data last updated: Oct 23, 2026, 5:45 PM ET · Courts (RECAP) last checked: Oct 24, 2026, 2:12 AM ET · SEC enforcement last checked: not yet

Privacy: business-related public information only. Residential addresses are never shown; only the state from the filing.

Key records

The five facts investors ask about first. Each section states what was searched and when. Items still in human review are not shown.

1. Lawsuits

None found in sources searched.

Sources searched: CourtListener bulk data (RECAP dockets as of 2026-09-30; recall-first rule 10-24) — federal district + bankruptcy courts; live RECAP re-check pending. State courts: not yet searched. PACER: not searched. · Last checked Oct 24, 2026, 2:12 AM ET.

State courts: not yet searched. 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

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. — not yet searched; 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: not yet searched.

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3. Bankruptcies

None found in sources searched.

Sources searched: Federal bankruptcy courts via CourtListener / RECAP archive (federal district courts, federal bankruptcy courts). State courts: not yet searched. PACER: not searched (RECAP only). · Last checked Oct 24, 2026, 2:12 AM ET.

State courts: not yet searched. 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 are made for sponsors and sponsor groups, not individual people.

5. Money to insiders and sales commissions

0 of 24 offerings report sales commissions; 4 report finder's fees totalling $45,049,881; 0 report proceeds to related persons.

SourceOffering (latest filing)Sales commissionsFinder's feesTo insidersPaid to sell it
EDGAR ↗Oct 8, 2026 D
File 021-600543
$0$0$0None listed on this filing
EDGAR ↗May 29, 2026 D/A
File 021-334107
$0$0$0None listed on this filing
EDGAR ↗May 29, 2026 D/A
File 021-334111
$0$0$0None listed on this filing
EDGAR ↗Apr 3, 2026 D
File 021-579089
$0$0$0None listed on this filing
EDGAR ↗Mar 31, 2026 D
File 021-578593
$0$0$0None listed on this filing
EDGAR ↗Nov 21, 2025 D
File 021-564756
$0$17,100,000$0Jefferies LLC BrokerCheck CRD 2347 ↗
Leerink Partners LLC BrokerCheck CRD 39011 ↗
UBS Securities LLC BrokerCheck CRD 7654 ↗
LifeSci Capital, LLC BrokerCheck CRD 168404 ↗
EDGAR ↗Nov 5, 2025 D
File 021-563202
$0$0$0None listed on this filing
EDGAR ↗Oct 31, 2024 D
File 021-528380
$0$0$0None listed on this filing
EDGAR ↗Mar 29, 2024 D
File 021-509054
$0$0$0None listed on this filing
EDGAR ↗Dec 27, 2023 D
File 021-500772
$0$10,800,000$0Jefferies LLC BrokerCheck CRD 2347 ↗
Cowen and Company, LLC BrokerCheck CRD 7616 ↗
Stifel, Nicolaus & Company, Incorporated BrokerCheck CRD 793 ↗
Guggenheim Securities, LLC BrokerCheck CRD 40638 ↗
LifeSci Capital LLC BrokerCheck CRD 168404 ↗
EDGAR ↗Aug 21, 2023 D
File 021-490287
$0$0$0None listed on this filing
EDGAR ↗Jul 6, 2023 D
File 021-486102
$0$12,600,015$0Jefferies LLC BrokerCheck CRD 2347 ↗
Cowen and Company, LLC BrokerCheck CRD 7616 ↗
Stifel, Nicolaus & Company, Incorporated BrokerCheck CRD 793 ↗
Guggenheim Securities, LLC BrokerCheck CRD 40638 ↗
EDGAR ↗Jun 30, 2023 D
File 021-485732
$0$0$0None listed on this filing
EDGAR ↗May 10, 2021 D
File 021-398700
$0$0$0None listed on this filing
EDGAR ↗Nov 6, 2020 D
File 021-379997
$0$4,549,866$0Jefferies LLC BrokerCheck CRD 2347 ↗
JMP Securities LLC BrokerCheck CRD 22208 ↗
EDGAR ↗Oct 27, 2020 D/A
File 021-271986
$0$0$0None listed on this filing
EDGAR ↗Oct 27, 2020 D/A
File 021-271988
$0$0$0None listed on this filing
EDGAR ↗Sep 29, 2020 D
File 021-376545
$0$0$0None listed on this filing
EDGAR ↗Jul 21, 2020 D
File 021-371480
$0$0$0None listed on this filing
EDGAR ↗Jul 21, 2020 D
File 021-371481
$0$0$0None listed on this filing
EDGAR ↗May 8, 2020 D
File 021-366547
$0$0$0None listed on this filing
EDGAR ↗Dec 13, 2018 D
File 021-327913
$0$0$0None listed on this filing
EDGAR ↗Dec 11, 2018 D
File 021-327586
$0$0$0None listed on this filing
EDGAR ↗Jun 1, 2018 D
File 021-313711
$0$0$0None listed on this filing

As reported by the issuer on Form D (Items 12–15), 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).

Appears on these filings

SourceIssuerRoleFiledFormOfferingSoldInvestorsMin. investment
EDGAR ↗Fairmount Healthcare Co-Invest VII L.P.Executive Officer, Promoter
Managing Member of the Member of the General Partner and Investment Manager of the Issuer
Oct 8, 2026DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
May 29, 2026D/AIndefinite
similar: $155,000–$5,250,000
$1,074,275,86751
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
May 29, 2026D/AIndefinite
similar: $155,000–$5,250,000
$667,035,59852
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Paragon Laboratories L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager of the Issuer
Apr 3, 2026DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Co-Invest VI L.P.Executive Officer, Promoter
Managing Member of the Member of the General Partner and Investment Manager of the Issuer
Mar 31, 2026DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Galecto, Inc.DirectorNov 21, 2025D$285,000,000
similar: $2,000,000–$19,999,994
$285,000,00048
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Fairmount Healthcare Co-Invest V L.P.Executive Officer, Promoter
Managing Member of the Member of the General Partner and Investment Manager of the Issuer
Nov 5, 2025DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
May 29, 2025D/AIndefinite
similar: $155,000–$5,250,000
$944,859,58736
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
May 29, 2025D/AIndefinite
similar: $155,000–$5,250,000
$598,310,42645
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Co-Invest IV L.P.Executive Officer, Promoter
Managing Member of the Member of the General Partner and Investment Manager of the Issuer
Oct 31, 2024DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
Jun 3, 2024D/AIndefinite
similar: $155,000–$5,250,000
$524,160,42640
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
Jun 3, 2024D/AIndefinite
similar: $155,000–$5,250,000
$673,309,58723
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Co-Invest III L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager of the Issuer
Mar 29, 2024DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Spyre Therapeutics, Inc.DirectorDec 27, 2023D$180,000,000
similar: $2,000,000–$19,999,994
$180,000,00030
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
Sep 18, 2023D/AIndefinite
similar: $155,000–$5,250,000
$517,390,00020
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Co-Invest II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager of the Issuer
Aug 21, 2023D$15,173,000
similar: $155,000–$5,250,000
$15,173,00014
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Spyre Therapeutics, Inc.DirectorJul 6, 2023D$210,000,248
similar: $2,000,000–$19,999,994
$210,000,24841
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Fairmount Healthcare Co-Invest L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
Jun 30, 2023D$25,000,000
similar: $155,000–$5,250,000
$25,000,00018
similar: 4–27
$1
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, Director, Promoter
Managing Member of Investment Manager and Director of the Issuer
May 5, 2023D/AIndefinite
similar: $155,000–$5,250,000
$377,390,00019
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
May 5, 2023D/AIndefinite
similar: $155,000–$5,250,000
$461,571,65326
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, Director, Promoter
Managing Member of Investment Manager and Director of the Issuer
May 19, 2022D/AIndefinite
similar: $155,000–$5,250,000
$345,640,00018
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
May 19, 2022D/AIndefinite
similar: $155,000–$5,250,000
$449,571,65322
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Investment Manager
May 19, 2021D/AIndefinite
similar: $155,000–$5,250,000
$288,971,65320
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, Director, Promoter
Managing Member of Investment Manager and Director of the Issuer
May 19, 2021D/AIndefinite
similar: $155,000–$5,250,000
$233,350,00015
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Paragon Therapeutics, Inc.Director, PromoterMay 10, 2021D$10,000,000
similar: $2,000,000–$19,999,994
$10,000,0002
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗MIRAGEN THERAPEUTICS, INC.DirectorNov 6, 2020D$90,997,328
similar: $2,000,000–$19,999,994
$90,997,32822
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Fairmount Healthcare Fund L.P.Executive Officer, Promoter
Manager of the General Partner
Oct 27, 2020D/AIndefinite
similar: $155,000–$5,250,000
$27,961,53243
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund Ltd.Executive Officer, PromoterOct 27, 2020D/AIndefinite
similar: $155,000–$5,250,000
$3,634,5106
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Viridian Therapeutics, Inc.DirectorSep 29, 2020D$27,000,000
similar: $2,000,000–$19,999,994
$27,000,0009
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Unum Therapeutics Inc.DirectorJul 21, 2020D$104,400,000
similar: $2,000,000–$19,999,994
$104,400,00022
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Unum Therapeutics Inc.DirectorJul 21, 2020D$44,812,154
similar: $2,000,000–$19,999,994
$44,812,1542
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Viridian Therapeutics, Inc.DirectorMay 8, 2020D$5,000,000
similar: $2,000,000–$19,999,994
$2,000,0002
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Promoter of the Issuer
Feb 28, 2020D/AIndefinite
similar: $155,000–$5,250,000
$53,571,6538
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, PromoterFeb 28, 2020D/AIndefinite
similar: $155,000–$5,250,000
$105,000,0003
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund Ltd.Executive Officer, PromoterNov 7, 2019D/AIndefinite
similar: $155,000–$5,250,000
$3,628,5496
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund L.P.Executive Officer, Promoter
Manager of the General Partner
Nov 7, 2019D/AIndefinite
similar: $155,000–$5,250,000
$27,156,53243
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund II L.P.Executive Officer, Promoter
Managing Member of the General Partner and Promoter of the Issuer
Mar 5, 2019DIndefinite
similar: $155,000–$5,250,000
$2,500,0001
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund II L.P.Executive Officer, PromoterMar 5, 2019DIndefinite
similar: $155,000–$5,250,000
$5,000,0001
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Viridian, LLCExecutive Officer
Manager
Dec 13, 2018D$3,000,000
similar: $2,000,000–$19,999,994
$1,150,0001
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Quellis Biosciences, Inc.Executive Officer, DirectorDec 11, 2018D$18,518,047
similar: $2,000,000–$19,999,994
$2,500,0001
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Fairmount Healthcare Fund L.P.Executive Officer, Promoter
Manager of the General Partner
Nov 14, 2018D/AIndefinite
similar: $155,000–$5,250,000
$23,578,99865
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund Ltd.Executive Officer, PromoterNov 14, 2018D/AIndefinite
similar: $155,000–$5,250,000
$3,573,5498
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Quellis Biosciences, Inc.Executive Officer, DirectorJun 1, 2018DIndefinite
similar: $2,000,000–$19,999,994
$01
similar: 2–16
No minimum reported
similar: $10,000–$50,000
EDGAR ↗Fairmount Healthcare Fund L.P.Executive Officer, Promoter
Manager of the General Partner
Oct 6, 2017D/AIndefinite
similar: $155,000–$5,250,000
$13,442,43027
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund Ltd.Executive Officer, PromoterOct 6, 2017D/AIndefinite
similar: $155,000–$5,250,000
$1,543,9334
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Fund L.P.Executive Officer, Promoter
Manager of the General Partner
Oct 6, 2016DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1,000,000
similar: $1,000–$100,000
EDGAR ↗Fairmount Healthcare Feeder Fund Ltd.Executive Officer, PromoterOct 6, 2016DIndefinite
similar: $155,000–$5,250,000
$00
similar: 4–27
$1,000,000
similar: $1,000–$100,000

Every row is a Form D or D/A on which the issuer listed this name as a related person. Related-person names are matched on first + last name and the address state on the filing; records that share a name but could not be tied together by a second identifier are listed separately below.

"Similar" = offerings in the same industry claiming the same exemption, filed in the last 5 years: Pooled Investment Fund / 506(b) (83,801 filings); 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.

Connections as of Oct 23, 2026, 5:45 PM ET

Listed alongside — 40 names on the same filings (12 management entities, 28 people)

People and management entities the issuers listed as related persons on the same Form D filings as Peter Harwin. Source: the EDGAR rows in the table above. Showing the 40 with the most shared filings.

Other offering types (Regulation A and Regulation Crowdfunding)

None found in sources searched.

Sources 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 · Last checked Oct 23, 2026, 8:41 PM ET.

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