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CGEMNasdaq
Cullinan Therapeutics, Inc.
Biological Products, (No Diagnostic Substances) · DE · CIK 1789972
Develops therapies for autoimmune diseases and cancer using bispecific T cell engagers and other drug candidates
$842M
Market cap
$18.42
Last close
+0.1%
1D
+6.5%
5D
991K
Volume
Price · last 39 sessions+20.1%
May 4L $12.05 · H $18.48Jun 29
113
Total filings
Jun 16, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteJun 16, 20268-KReg FD Disclosure · Company UpdateJun 10, 20268-KReg FD Disclosure · Company UpdateJun 8, 20268-KReg FD Disclosure · Company UpdateMay 18, 202610-Q10-QMay 7, 20268-KResults of OperationsMay 7, 2026DEFA14ADEFA14AApr 28, 2026DEF 14ADEF 14AApr 28, 202610-K10-KMar 10, 20268-KResults of OperationsMar 10, 20268-KResults of Operations · Reg FD DisclosureJan 8, 20268-KReg FD Disclosure · Company UpdateDec 8, 20258-KAgreement TerminatedNov 21, 202510-Q10-QNov 6, 20258-KResults of Operations · Company UpdateNov 6, 20258-KReg FD Disclosure · Company UpdateNov 3, 20258-KReg FD Disclosure · Company UpdateSep 4, 202510-Q10-QAug 7, 20258-KExecutive Change · Results of OperationsAug 7, 20258-KShareholder VoteJun 12, 20258-KMaterial Agreement · Reg FD DisclosureJun 4, 202510-Q10-QMay 8, 20258-KResults of OperationsMay 8, 2025DEFA14ADEFA14AApr 25, 2025DEF 14ADEF 14AApr 25, 202510-K10-KFeb 27, 20258-KResults of OperationsFeb 27, 20258-KReg FD Disclosure · Company UpdateJan 29, 2025SC 13GSC 13GNov 8, 202410-Q10-QNov 7, 20248-KResults of OperationsNov 7, 2024SC 13GSC 13GOct 22, 20248-KReg FD Disclosure · Company UpdateOct 16, 20248-KReg FD Disclosure · Company UpdateSep 17, 202410-Q10-QAug 8, 20248-KResults of OperationsAug 8, 20248-KShareholder VoteJun 27, 20248-KReg FD Disclosure · Company UpdateJun 3, 20248-KReg FD Disclosure · Company UpdateMay 23, 2024DEFA14ADEFA14AMay 16, 2024DEF 14ADEF 14AMay 16, 202410-Q10-QMay 15, 20248-KExecutive Change · Results of OperationsMay 15, 20248-KExecutive ChangeApr 29, 2024SC 13GSC 13GApr 24, 20248-KMaterial Agreement · Equity IssuanceApr 16, 202410-K10-KMar 14, 20248-KResults of OperationsMar 14, 2024SC 13GSC 13GFeb 14, 2024SC 13GSC 13GJan 29, 20248-K/AResults of OperationsJan 8, 20248-KAcquisition / DispositionJan 8, 202410-Q10-QNov 8, 20238-KResults of OperationsNov 8, 202310-Q10-QAug 10, 20238-KResults of OperationsAug 10, 20238-KExecutive Change · Shareholder VoteJun 14, 20238-KReg FD Disclosure · Company UpdateMay 25, 202310-Q10-QMay 11, 20238-KResults of OperationsMay 11, 2023DEFA14ADEFA14AApr 21, 2023DEF 14ADEF 14AApr 21, 202310-K10-KMar 9, 20238-KResults of OperationsMar 9, 20238-KMaterial Agreement · Results of OperationsFeb 14, 2023SC 13GSC 13GFeb 3, 20238-KEquity Issuance · Bylaw AmendmentJan 19, 202310-Q10-QNov 14, 20228-KResults of OperationsNov 14, 20228-KExecutive ChangeNov 2, 20228-KMaterial Agreement · Reg FD DisclosureOct 25, 202210-Q10-QAug 10, 20228-KResults of OperationsAug 10, 20228-KMaterial Agreement · Acquisition / DispositionJun 27, 20228-KShareholder VoteJun 24, 202210-Q10-QMay 16, 20228-KResults of OperationsMay 16, 20228-KMaterial Agreement · Results of OperationsMay 12, 2022DEFA14ADEFA14AApr 29, 2022DEF 14ADEF 14AApr 29, 2022
Insider Activity
In the 90 days to Mar 5, 2026: 5 sold $1.4M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 5, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 8,000 | $15.68 | $125K |
| Feb 25, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 1,780 | $14.14 | $25K |
| Feb 24, 2026 | Ahmed NadimPresident and CEO | Sell | 13,515 | $14.47 | $196K |
| Feb 24, 2026 | Jones Jeffrey AlanChief Medical Officer | Sell | 4,582 | $14.47 | $66K |
| Feb 24, 2026 | Sumer Jacquelyn LChief Legal Officer | Sell | 3,601 | $14.47 | $52K |
| Feb 24, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 3,601 | $14.47 | $52K |
| Feb 23, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 1,752 | $13.99 | $25K |
| Feb 20, 2026 | Ahmed NadimPresident and CEO | Sell | 16,381 | $13.62 | $223K |
| Feb 20, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 8,000 | $14.30 | $114K |
| Feb 20, 2026 | Jones Jeffrey AlanChief Medical Officer | Sell | 4,982 | $13.62 | $68K |
| Feb 20, 2026 | Fenton Mary KayChief Financial Officer | Sell | 4,398 | $13.62 | $60K |
| Feb 20, 2026 | Sumer Jacquelyn LChief Legal Officer | Sell | 3,742 | $13.62 | $51K |
| Feb 20, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 3,742 | $13.62 | $51K |
| Feb 12, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 416 | $12.03 | $5K |
| Jan 22, 2026 | Michaelson JenniferChief Scientific Officer | Sell | 4,000 | $12.30 | $49K |
| Dec 23, 2025 | Ahmed NadimPresident and CEO | Sell | 9,922 | $10.01 | $99K |
| Dec 19, 2025 | Michaelson JenniferChief Scientific Officer | Sell | 1,345 | $10.01 | $13K |
| Dec 18, 2025 | Jones Jeffrey AlanChief Medical Officer | Sell | 4,632 | $9.67 | $45K |
| Dec 18, 2025 | Sumer Jacquelyn LChief Legal Officer | Sell | 3,480 | $9.67 | $34K |
| Dec 18, 2025 | Michaelson JenniferChief Scientific Officer | Sell | 2,898 | $9.67 | $28K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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