Sponsor Check › Person
Related person on Form D filings · address states as listed: CA, MA, GA, MO · listed Sep 12, 2011 → Dec 22, 2025
Data last updated: Oct 23, 2026, 5:45 PM ET · Courts (RECAP) last checked: not yet · SEC enforcement last checked: not yet
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Sources to be searched: CourtListener / RECAP archive (federal district courts, federal bankruptcy courts). State courts: not yet searched. PACER: not searched (RECAP only). · Search queued. Results are added automatically; check back later or follow this page to be notified.
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.
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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Sources to be searched: Federal bankruptcy courts via CourtListener / RECAP archive (federal district courts, federal bankruptcy courts). State courts: not yet searched. PACER: not searched (RECAP only). · Search queued. Results are added automatically; check back later or follow this page to be notified.
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.
Comparisons are made for sponsors and sponsor groups, not individual people.
1 of 22 offerings reports sales commissions totalling $865,000; 0 report finder's fees; 4 report proceeds to related persons totalling $1,716,000. (includes amounts the issuer reported as estimates)
| Source | Offering (latest filing) | Sales commissions | Finder's fees | To insiders | Paid to sell it |
|---|---|---|---|---|---|
| EDGAR ↗ | Dec 22, 2025 D File 021-567748 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | May 13, 2024 D File 021-513076 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Mar 9, 2023 D File 021-475401 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Apr 14, 2022 D File 021-441798 | $0 | $0 | $0 (est.) | None listed on this filing |
| EDGAR ↗ | Dec 1, 2021 D File 021-423146 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Jul 3, 2019 D File 021-343516 | $0 | $0 | $0 (est.) | None listed on this filing |
| EDGAR ↗ | Apr 26, 2019 D File 021-338229 | $0 | $0 | $500,000 (est.) Proceeds will be used for general corporate purposes including, but not limited to, executive salaries. | None listed on this filing |
| EDGAR ↗ | Jun 19, 2018 D File 021-314821 | $0 | $0 | $500,000 (est.) Proceeds will be used for general corporate purposes including, but not limited to, executive salaries. | None listed on this filing |
| EDGAR ↗ | Apr 12, 2017 D/A File 021-284445 | $0 | $0 | $0 Working Capital and Operating Expenses | None listed on this filing |
| EDGAR ↗ | Apr 10, 2017 D File 021-284399 | $0 | $0 | $0 Working Capital and Operating Expenses | None listed on this filing |
| EDGAR ↗ | Nov 2, 2016 D/A File 021-254964 | $0 | $0 | $500,000 (est.) Proceeds will be used for general corporate purposes including, but not limited to, executive salaries. | None listed on this filing |
| EDGAR ↗ | Aug 19, 2016 D File 021-269269 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Apr 23, 2014 D File 021-216081 | $0 | $0 | $216,000 (est.) Proceeds will be used for general corporate purposes including, but not limited to, executive salaries. | None listed on this filing |
| EDGAR ↗ | May 14, 2012 D File 021-178148 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Nov 23, 2011 D/A File 021-165656 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Feb 10, 2011 D File 021-155170 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Sep 8, 2010 D File 021-147465 | $865,000 (est.) | $0 | $0 | Rockport Venture Securities, LLC BrokerCheck CRD 113748 ↗ |
| EDGAR ↗ | Jun 11, 2010 D File 021-143333 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Apr 27, 2010 D File 021-141171 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Feb 12, 2010 D File 021-138701 | $0 | $0 | $0 A portion of the proceeds will be used to pay various fees and expenses to the General Partner over the life of the partnership, payable to MPM BioVentures V GP LLC, which serves as the sole General Partner of the Issuer. | None listed on this filing |
| EDGAR ↗ | Nov 25, 2009 D File 021-87367 | $0 | $0 | $0 | None listed on this filing |
| EDGAR ↗ | Mar 19, 2009 D File 021-54969 | $0 | $0 | $0 | None 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).
| Source | Issuer | Role | Filed | Form | Offering | Sold | Investors | Min. investment |
|---|---|---|---|---|---|---|---|---|
| EDGAR ↗ | Aeovian Pharmaceuticals, Inc. | Director | Dec 22, 2025 | D | $54,999,996 similar: $1,694,259–$16,000,000 | $54,999,996 | 13 similar: 1–13 | No minimum reported similar: $10,000–$55,000 |
| EDGAR ↗ | Aeovian Pharmaceuticals, Inc. | Director | May 13, 2024 | D | $50,415,077 similar: $1,694,259–$16,000,000 | $50,415,077 | 5 similar: 1–13 | No minimum reported similar: $10,000–$55,000 |
| EDGAR ↗ | Banyan Infrastructure Corp | Executive Officer, Director | Mar 9, 2023 | D | $23,999,999 similar: $1,100,015–$10,001,163 | $23,999,999 | 7 similar: 2–14 | No minimum reported similar: $5,000–$50,000 |
| EDGAR ↗ | Banyan Infrastructure Corp | Executive Officer, Director | Apr 14, 2022 | D | $8,220,000 similar: $1,100,015–$10,001,163 | $4,970,000 | 31 similar: 2–14 | No minimum reported similar: $5,000–$50,000 |
| EDGAR ↗ | Fountain Therapeutics, Inc. | Executive Officer, Director | Dec 1, 2021 | D | $15,864,168 similar: $2,000,000–$19,999,994 | $15,864,168 | 8 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | Jade Harvest, LLC group: Jade | Director | Jul 3, 2019 | D | $780,000 similar: $500,000–$7,000,000 | $780,000 | 6 similar: 2–14 | $20,000 similar: $5,000–$50,000 |
| EDGAR ↗ | ICONIC THERAPEUTICS INC | Executive Officer, Director | Apr 26, 2019 | D | $16,300,000 similar: $2,000,000–$19,999,994 | $13,031,025 | 37 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | ICONIC THERAPEUTICS INC | Executive Officer, Director | Jun 19, 2018 | D | $10,900,000 similar: $2,000,000–$19,999,994 | $4,109,317 | 36 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | Cannavations Investors, LLC. group: Cannavations | Director | Apr 12, 2017 | D/A | $1,000,000 similar: $500,000–$7,000,000 | $525,000 | 6 similar: 2–14 | $50,000 similar: $5,000–$50,000 |
| EDGAR ↗ | Cannavations Investors, LLC. group: Cannavations | Director | Apr 10, 2017 | D | $1,000,000 similar: $500,000–$7,000,000 | $525,000 | 6 similar: 2–14 | $50,000 similar: $5,000–$50,000 |
| EDGAR ↗ | FGM Investors, LLC. group: Jade | Director | Apr 10, 2017 | D | $1,500,000 similar: $500,000–$7,000,000 | $125,000 | 3 similar: 2–14 | $50,000 similar: $5,000–$50,000 |
| EDGAR ↗ | ICONIC THERAPEUTICS INC | Executive Officer, Director | Nov 2, 2016 | D/A | $48,561,000 similar: $2,000,000–$19,999,994 | $48,561,000 | 11 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | Jade Harvest, LLC group: Jade | Director | Aug 19, 2016 | D | $5,000,000 similar: $500,000–$7,000,000 | $80,000 | 1 similar: 2–14 | $80,000 similar: $5,000–$50,000 |
| EDGAR ↗ | ICONIC THERAPEUTICS INC | Executive Officer, Director | Jan 12, 2016 | D | $43,000,000 similar: $2,000,000–$19,999,994 | $38,000,000 | 8 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | ICONIC THERAPEUTICS INC | Executive Officer, Director | Apr 23, 2014 | D | $24,266,880 similar: $2,000,000–$19,999,994 | $13,258,905 | 40 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | NEOVISTA INC | Director | May 14, 2012 | D | $6,273,000 similar: $829,831–$9,999,998 | $5,185,055 | 15 similar: 2–15 | $1 similar: $10,000–$54,310 |
| EDGAR ↗ | Theraclone Sciences, Inc. | Director | Nov 23, 2011 | D/A | $11,584,603 similar: $2,000,000–$19,999,994 | $11,584,603 | 13 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | Theraclone Sciences, Inc. | Director | Sep 12, 2011 | D | $10,584,603 similar: $2,000,000–$19,999,994 | $10,584,603 | 12 similar: 2–16 | No minimum reported similar: $10,000–$50,000 |
| EDGAR ↗ | NEOVISTA INC | Director | Feb 10, 2011 | D | $37,879,999 similar: $829,831–$9,999,998 | $33,784,545 | 19 similar: 2–15 | $1 similar: $10,000–$54,310 |
| EDGAR ↗ | ENDOGASTRIC SOLUTIONS INC | Director | Sep 8, 2010 | D | Indefinite similar: $2,000,000–$19,999,994 | $28,181,041 | 18 similar: 2–16 | $15,221 similar: $10,000–$50,000 |
| EDGAR ↗ | NEOVISTA INC | Director | Jun 11, 2010 | D | $12,012,000 similar: $500,000–$7,000,000 | $3,203,200 | 18 similar: 2–14 | $1 similar: $5,000–$50,000 |
| EDGAR ↗ | NEOVISTA INC | Director | Apr 27, 2010 | D | $3,003,000 similar: $500,000–$7,000,000 | $3,003,000 | 17 similar: 2–14 | $1 similar: $5,000–$50,000 |
| EDGAR ↗ | MPM BIOVENTURES V, L.P. | Promoter MEMBER OF THE MANAGING MEMBER | Feb 12, 2010 | D/A | Indefinite similar: $155,000–$5,250,000 | $140,048,150 | 24 similar: 4–27 | No minimum reported similar: $1,000–$100,000 |
| EDGAR ↗ | MPM BIOVENTURES V, L.P. | Promoter MEMBER OF THE MANAGING MEMBER | Feb 12, 2010 | D | Indefinite similar: $155,000–$5,250,000 | $69,140,000 | 9 similar: 4–27 | No minimum reported similar: $1,000–$100,000 |
| EDGAR ↗ | ENDOGASTRIC SOLUTIONS INC | Director | Nov 25, 2009 | D | Indefinite similar: $500,000–$7,000,000 | $14,809,517 | 18 similar: 2–14 | $2,608 similar: $5,000–$50,000 |
| EDGAR ↗ | NEOVISTA INC | Director | Mar 19, 2009 | D | $18,000,000 similar: $500,000–$7,000,000 | $17,159,890 | 18 similar: 2–14 | No minimum reported similar: $5,000–$50,000 |
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 (6 industry/exemption sets on this page); 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.
Not linked to this profile — a second identifier (same issuer, same sponsor group) was not found. Could be the same person or a different one.
People and management entities the issuers listed as related persons on the same Form D filings as William Greene. Source: the EDGAR rows in the table above. Showing the 40 with the most shared filings.
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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