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Data last updated: Oct 23, 2026, 5:45 PM ETLatest filing: Oct 22, 2026Now: Oct 24, 2026, 4:57 AM ET

Sponsor Check › Person

MS
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Mark D. Segel

Named as an officer, director or promoter on SEC Form D filings · MA · Jul 13, 2010 → Nov 8, 2011

3deals (issuers)
$1.28Breported sold
48investors
6Form D filings
2010–2011years on file

Data last updated Oct 23, 2026, 5:45 PM ET · Courts (RECAP) last checked: Oct 24, 2026, 2:22 AM ET · SEC enforcement last checked: covered by the index scan as of Oct 24, 2026, 2:50 AM ET

The short version

Mark D. Segel is listed as an executive officer and promoter on 6 SEC Form D filings by 3 issuers between Jul 2010 and Nov 2011: EIF United States Power Fund IV, L.P. (Needham, MA — pooled investment fund — 2010; $536.1M reported sold to 20 investors), EIF USPF IV Blocker Fund, LLC (Needham, MA — pooled investment fund — 2010–2011; $464.8M reported sold to 8 investors) and EIF USPF IV Leveraged Feeder, L.P. (Needham, MA — pooled investment fund — 2010–2011; $274.4M reported sold to 20 investors).

What this means A repeat sponsor — 3 separate companies raised money with this person listed as executive officer and promoter. Across those companies the filings report $1.28B sold in total.

Listed alongside Andrew E. Schroeder (6 shared filings), D. Mitchell Coddington (6 shared filings), EIF Management, LLC (6 shared filings, management entity), EIF US Power IV, LLC (6 shared filings, management entity), Herbert Magid (6 shared filings) and 2 others.

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

All 3 issuers belong to the sponsor group Eif Uspf (6 issuers, $1.64B reported sold, 2010–2015).

What this means A sponsor group is one team that sets up a new company for each deal. Eif Uspf has 6 companies on file and $1.64B reported sold in total — the group page shows the whole track record in one place.

Public records searched: federal courts (CourtListener / RECAP), SEC enforcement releases, state securities regulators (AZ, CA, DE, TX, WA) — none found.

What this means Nothing turned up where we looked (3 sources). That does not prove there is nothing — it means none was found in those sources on that date.

We compared 6 public filings for Mark D. Segel and found 5 differences, 2 worth asking the sponsor about: Paid seller listed without a CRD number: Principle Advisory Pty Ltd; Paid seller listed without a CRD number: Principle Advisory Services Pty Ltd; 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 Mark D. Segel has not run yet — it is joining a line of 2,696 names; searches run around the clock at the hosts' allowed rate. Searched so far: 27 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, 2:22 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 Mark D. Segel..

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

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

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, 2:22 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.

4. Differences between public sources

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

5 differences found between the filings for Mark D. Segel — 2 worth asking about (compared 6 filings on Oct 24, 2026)

Worth asking · Nov 8, 2011

Paid seller listed without a CRD number: Principle Advisory Pty Ltd — EIF USPF IV Blocker Fund, LLC

Principle Advisory Pty Ltd is listed as receiving sales compensation on 1 filing (Nov 8, 2011) with no FINRA CRD number given.

What this means People paid to sell securities normally hold a FINRA registration with a CRD number. Without one we cannot look them up on BrokerCheck. Ask who they are and whether they are registered.

Sources
Worth asking · Nov 8, 2011

Paid seller listed without a CRD number: Principle Advisory Services Pty Ltd — EIF USPF IV Leveraged Feeder, L.P.

Principle Advisory Services Pty Ltd is listed as receiving sales compensation on 1 filing (Nov 8, 2011) with no FINRA CRD number given.

What this means People paid to sell securities normally hold a FINRA registration with a CRD number. Without one we cannot look them up on BrokerCheck. Ask who they are and whether they are registered.

Sources
Note · Jun 28, 2010 – Nov 8, 2011

No amendment in the last 12 months on an offering that may still be open — EIF USPF IV Leveraged Feeder, L.P. (latest filing Nov 8, 2011)

The latest filing for this offering is dated Nov 8, 2011 (first sale Jun 28, 2010). It reports $274,372,000 sold of $1,750,000,000 offered. No later amendment is in our index as of Oct 24, 2026.

What this means SEC rules expect a yearly amendment while an offering is still going. The raise may simply have ended — a Form D does not say when it closed. Ask the sponsor whether the offering closed, when, and at what amount.

Sources
Note · Jun 28, 2010 – Nov 8, 2011

No amendment in the last 12 months on an offering that may still be open — EIF USPF IV Blocker Fund, LLC (latest filing Nov 8, 2011)

The latest filing for this offering is dated Nov 8, 2011 (first sale Jun 28, 2010). It reports $464,780,000 sold of $1,750,000,000 offered. No later amendment is in our index as of Oct 24, 2026.

What this means SEC rules expect a yearly amendment while an offering is still going. The raise may simply have ended — a Form D does not say when it closed. Ask the sponsor whether the offering closed, when, and at what amount.

Sources
Note · Jun 28, 2010 – Nov 22, 2010

No amendment in the last 12 months on an offering that may still be open — EIF United States Power Fund IV, L.P. (latest filing Nov 22, 2010)

The latest filing for this offering is dated Nov 22, 2010 (first sale Jun 28, 2010). It reports $536,052,000 sold of $1,750,000,000 offered. No later amendment is in our index as of Oct 24, 2026.

What this means SEC rules expect a yearly amendment while an offering is still going. The raise may simply have ended — a Form D does not say when it closed. Ask the sponsor whether the offering closed, when, and at what amount.

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

3 of 3 offerings report sales commissions totalling $61,375,000; 0 report finder's fees; 0 report proceeds to related persons. (includes amounts the issuer reported as estimates)

Offering (latest filing)Sales commissionsFinder's feesTo insidersPaid to sell itSource
Nov 8, 2011 D/A
EIF USPF IV Blocker Fund, LLC
File 021-144860
$21,000,000 (est.)$0 (est.)$0 (est.)
Certain persons named in Item 3 or affiliate(s) thereof may receive payments deemed to be made from the proceeds of the offering, including management fees and/or performance allocations. The amounts of such fees cannot be estimated at this time.
Atlantic - Pacific Capital, Inc. BrokerCheck CRD 38356 ↗
Principle Advisory Pty Ltd no CRD number reported
EDGAR ↗
Nov 8, 2011 D/A
EIF USPF IV Leveraged Feeder, L.P.
File 021-144861
$21,000,000 (est.)$0 (est.)$0 (est.)
Certain persons named in Item 3 or affiliate(s) thereof may receive payments deemed to be made from the proceeds of the offering, including management fees and/or performance allocations. The amounts of such fees cannot be estimated at this time.
Atlantic - Pacific Capital, Inc. BrokerCheck CRD 38356 ↗
Principle Advisory Services Pty Ltd no CRD number reported
EDGAR ↗
Nov 22, 2010 D/A
EIF United States Power Fund IV, L.P.
File 021-144859
$19,375,000 (est.)$0 (est.)$0 (est.)
Certain persons named in Item 3 or affiliate(s) thereof may receive payments deemed to be made from the proceeds of the offering, including management fees and/or performance allocations. The amounts of such fees cannot be estimated at this time.
Atlantic - Pacific Capital, Inc. BrokerCheck CRD 38356 ↗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 3

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

Pooled Investment Fund · group: Eif Uspf

EIF USPF IV Leveraged Feeder, L.P.

Needham, MA · Jul 13, 2010 → Nov 8, 2011 · 2 filings
  • Nov 8, 2011 · D/A · $274,372,000 sold of $1,750,000,000 · 20 investors · min. $10,000,000 · role: Executive Officer, Promoter (Partner of EIF Management, LLC which is the managing member of EIF US Power IV, LLC which is the sole general partner of the Issuer.) EDGAR ↗
  • Jul 13, 2010 · D · $270,000,000 sold of $1,750,000,000 · 5 investors · min. $10,000,000 · role: Executive Officer, Promoter (Partner of EIF Management, LLC which is the managing member of EIF US Power IV, LLC which is the sole general partner of the Issuer.) EDGAR ↗

Raised $274.4M from 20 investors (16% of the $1.75B target) as of the latest filing. Mark is listed as executive officer, promoter on 2 filings for this deal.

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.

Pooled Investment Fund · group: Eif Uspf

EIF USPF IV Blocker Fund, LLC

Needham, MA · Jul 13, 2010 → Nov 8, 2011 · 2 filings
  • Nov 8, 2011 · D/A · $464,780,000 sold of $1,750,000,000 · 8 investors · min. $10,000,000 · role: Executive Officer, Promoter (Partner of EIF Management, LLC which is the managing member of EIF US Power IV, LLC which is the sole manager of the Issuer.) EDGAR ↗
  • Jul 13, 2010 · D · $175,000,000 sold of $1,750,000,000 · 1 investors · min. $10,000,000 · role: Executive Officer, Promoter (Partner of EIF Management, LLC which is the managing member of EIF US Power IV, LLC which is the sole general partner of the Issuer.) EDGAR ↗

Raised $464.8M from 8 investors (27% of the $1.75B target) as of the latest filing. Mark is listed as executive officer, promoter on 2 filings for this deal.

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.

Pooled Investment Fund · group: Eif Uspf

EIF United States Power Fund IV, L.P.

Needham, MA · Jul 13, 2010 → Nov 22, 2010 · 2 filings
  • Nov 22, 2010 · D/A · $536,052,000 sold of $1,750,000,000 · 20 investors · min. $10,000,000 · role: Executive Officer, Promoter (Partner of EIF Management, LLC which is the managing member of EIF US Power IV, LLC which is the sole general partner of the Issuer.) EDGAR ↗
  • Jul 13, 2010 · D · $455,168,964 sold of $1,750,000,000 · 6 investors · min. $10,000,000 · role: Executive Officer, Promoter (Partner of EIF Management, LLC which is the managing member of EIF US Power IV, LLC which is the sole general partner of the Issuer.) EDGAR ↗

Raised $536.1M from 20 investors (31% of the $1.75B target) as of the latest filing. Mark is listed as executive officer, promoter on 2 filings for this deal.

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.

People around Mark 7

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

Management entity

EIF US Power IV, LLC

Executive Officer · 6 shared filings (3 issuers)

Listed on the same filings as Mark D. Segel. Their page shows their other deals.

Management entity

EIF Management, LLC

Executive Officer · 6 shared filings (3 issuers) · also on 1 other issuer

Listed on the same filings as Mark D. Segel. Their page shows their other deals.

HM
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Person

Herbert Magid

Executive Officer, Promoter · 6 shared filings (3 issuers)

Listed on the same filings as Mark D. Segel. Their page shows their other deals.

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

Andrew E. Schroeder

Executive Officer, Promoter · 6 shared filings (3 issuers)

Listed on the same filings as Mark D. Segel. Their page shows their other deals.

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

Terence L. Darby

Executive Officer, Promoter · 6 shared filings (3 issuers)

Listed on the same filings as Mark D. Segel. Their page shows their other deals.

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

John E. Buehler, Jr.

Executive Officer, Promoter · 6 shared filings (3 issuers)

Listed on the same filings as Mark D. Segel. Their page shows their other deals.

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

D. Mitchell Coddington

Executive Officer, Promoter · 6 shared filings (3 issuers)

Listed on the same filings as Mark D. Segel. Their page shows their other deals.

The team behind the deals

Sponsor group

Eif Uspf

6 issuers · 9 filings · $1.64B reported sold · 2010–2015

One team, 6 deal companies. Mark D. Segel is listed on 3 of them.

Sources

Issuers are grouped when their Form D filings share related persons, a management entity or a business address (automatic match from the filings). "Listed" marks the issuers that name Mark D. Segel.

Registrations and other filings

Adviser registration (Form ADV)

None of the 3 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 Mark D. Segel 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 3 issuers this person is listed on — nothing matched.

Public profiles and social

Websites and social links of the issuers Mark D. Segel is listed on: none on file. No website or social profile named in EIF United States Power Fund IV, L.P.'s SEC filings (Form C, Reg A, Form ADV; checked Oct 24, 2026). Web search for this name: #358,170 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 (Needham, MA). Each opens in a new tab; what you find there is not verified by PartnerFacts.

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