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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, 20268-KResults of OperationsMay 7, 20268-KResults of OperationsMar 10, 20268-KResults of Operations · Reg FD DisclosureJan 8, 20268-KReg FD Disclosure · Company UpdateDec 8, 20258-KAgreement TerminatedNov 21, 20258-KResults of Operations · Company UpdateNov 6, 20258-KReg FD Disclosure · Company UpdateNov 3, 20258-KReg FD Disclosure · Company UpdateSep 4, 20258-KExecutive Change · Results of OperationsAug 7, 20258-KShareholder VoteJun 12, 20258-KMaterial Agreement · Reg FD DisclosureJun 4, 20258-KResults of OperationsMay 8, 20258-KResults of OperationsFeb 27, 20258-KReg FD Disclosure · Company UpdateJan 29, 20258-KResults of OperationsNov 7, 20248-KReg FD Disclosure · Company UpdateOct 16, 20248-KReg FD Disclosure · Company UpdateSep 17, 20248-KResults of OperationsAug 8, 20248-KShareholder VoteJun 27, 20248-KReg FD Disclosure · Company UpdateJun 3, 20248-KReg FD Disclosure · Company UpdateMay 23, 20248-KExecutive Change · Results of OperationsMay 15, 20248-KExecutive ChangeApr 29, 20248-KMaterial Agreement · Equity IssuanceApr 16, 20248-KResults of OperationsMar 14, 20248-KAcquisition / DispositionJan 8, 20248-KResults of OperationsNov 8, 20238-KResults of OperationsAug 10, 20238-KExecutive Change · Shareholder VoteJun 14, 20238-KReg FD Disclosure · Company UpdateMay 25, 20238-KResults of OperationsMay 11, 20238-KResults of OperationsMar 9, 20238-KMaterial Agreement · Results of OperationsFeb 14, 20238-KEquity Issuance · Bylaw AmendmentJan 19, 20238-KResults of OperationsNov 14, 20228-KExecutive ChangeNov 2, 20228-KMaterial Agreement · Reg FD DisclosureOct 25, 20228-KResults of OperationsAug 10, 20228-KMaterial Agreement · Acquisition / DispositionJun 27, 20228-KShareholder VoteJun 24, 20228-KResults of OperationsMay 16, 20228-KMaterial Agreement · Results of OperationsMay 12, 20228-KResults of OperationsMar 17, 20228-KExecutive ChangeMar 3, 20228-KExecutive ChangeDec 29, 20218-KReg FD DisclosureDec 16, 20218-KResults of OperationsNov 9, 20218-KExecutive Change · Reg FD DisclosureOct 18, 20218-KResults of OperationsAug 10, 20218-KShareholder VoteJul 1, 20218-KReg FD Disclosure · Company UpdateJun 4, 20218-KExecutive ChangeMay 21, 20218-KResults of OperationsMay 14, 20218-KResults of OperationsMar 30, 20218-KBylaw AmendmentFeb 26, 20218-KReg FD DisclosureFeb 22, 20218-KBylaw AmendmentJan 13, 2021

Insider Activity

In the 90 days to Mar 5, 2026: 5 sold $1.4M.

DateInsiderActionSharesPriceValue
Mar 5, 2026Michaelson JenniferChief Scientific OfficerSell8,000$15.68$125K
Feb 25, 2026Michaelson JenniferChief Scientific OfficerSell1,780$14.14$25K
Feb 24, 2026Ahmed NadimPresident and CEOSell13,515$14.47$196K
Feb 24, 2026Jones Jeffrey AlanChief Medical OfficerSell4,582$14.47$66K
Feb 24, 2026Sumer Jacquelyn LChief Legal OfficerSell3,601$14.47$52K
Feb 24, 2026Michaelson JenniferChief Scientific OfficerSell3,601$14.47$52K
Feb 23, 2026Michaelson JenniferChief Scientific OfficerSell1,752$13.99$25K
Feb 20, 2026Ahmed NadimPresident and CEOSell16,381$13.62$223K
Feb 20, 2026Michaelson JenniferChief Scientific OfficerSell8,000$14.30$114K
Feb 20, 2026Jones Jeffrey AlanChief Medical OfficerSell4,982$13.62$68K
Feb 20, 2026Fenton Mary KayChief Financial OfficerSell4,398$13.62$60K
Feb 20, 2026Sumer Jacquelyn LChief Legal OfficerSell3,742$13.62$51K
Feb 20, 2026Michaelson JenniferChief Scientific OfficerSell3,742$13.62$51K
Feb 12, 2026Michaelson JenniferChief Scientific OfficerSell416$12.03$5K
Jan 22, 2026Michaelson JenniferChief Scientific OfficerSell4,000$12.30$49K
Dec 23, 2025Ahmed NadimPresident and CEOSell9,922$10.01$99K
Dec 19, 2025Michaelson JenniferChief Scientific OfficerSell1,345$10.01$13K
Dec 18, 2025Jones Jeffrey AlanChief Medical OfficerSell4,632$9.67$45K
Dec 18, 2025Sumer Jacquelyn LChief Legal OfficerSell3,480$9.67$34K
Dec 18, 2025Michaelson JenniferChief Scientific OfficerSell2,898$9.67$28K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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