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CRBUNasdaq
Caribou Biosciences, Inc.
Biological Products, (No Diagnostic Substances) · DE · CIK 1619856
Develops transformative allogeneic CAR-T cell therapies for devastating diseases using novel genome-editing technology
$158M
Market cap
$1.77
Last close
+5.4%
1D
+7.9%
5D
2.8M
Volume
Price · last 39 sessions-7.3%
May 4L $1.57 · H $2.43Jun 29
125
Total filings
Jun 18, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteJun 18, 20268-KReg FD Disclosure · Company UpdateJun 11, 20268-KResults of OperationsMay 7, 20268-KReg FD Disclosure · Company UpdateMar 31, 20268-KResults of OperationsMar 5, 20268-KResults of OperationsNov 12, 20258-KResults of Operations · Reg FD DisclosureNov 3, 20258-KResults of OperationsAug 12, 20258-KCompany UpdateJun 23, 20258-KShareholder VoteJun 13, 20258-KResults of OperationsMay 8, 20258-KResults of Operations · Exit / Disposal CostsApr 24, 20258-KResults of OperationsMar 10, 20258-KReg FD DisclosureJan 13, 20258-KExecutive Change · Reg FD DisclosureJan 2, 20258-KResults of OperationsNov 6, 20248-KExecutive ChangeSep 3, 20248-KReg FD Disclosure · Company UpdateAug 12, 20248-KResults of OperationsAug 6, 20248-KResults of Operations · Exit / Disposal CostsJul 16, 20248-KShareholder VoteJun 14, 20248-KReg FD Disclosure · Company UpdateJun 3, 20248-KResults of OperationsMay 7, 20248-KReg FD Disclosure · Company UpdateApr 4, 20248-KResults of OperationsMar 11, 20248-KReg FD Disclosure · Company UpdateJan 8, 20248-KExecutive ChangeDec 22, 20238-KExecutive Change · Reg FD DisclosureDec 12, 20238-KResults of OperationsNov 7, 20238-KReg FD Disclosure · Company UpdateOct 18, 20238-KAgreement TerminatedSep 26, 20238-KResults of OperationsAug 8, 20238-KMaterial AgreementJul 17, 20238-KResults of Operations · Reg FD DisclosureJul 13, 20238-KCompany UpdateJul 13, 20238-KMaterial Agreement · Equity IssuanceJul 6, 20238-KShareholder VoteJun 16, 20238-KResults of OperationsMay 9, 20238-KReg FD Disclosure · Company UpdateApr 4, 20238-KReg FD Disclosure · Company UpdateMar 29, 20238-KReg FD Disclosure · Company UpdateMar 29, 20238-KCompany UpdateMar 24, 20238-KResults of OperationsMar 9, 20238-KExecutive ChangeDec 16, 20228-KReg FD Disclosure · Company UpdateDec 12, 20228-KReg FD Disclosure · Company UpdateNov 29, 20228-KReg FD Disclosure · Company UpdateNov 21, 20228-KResults of OperationsNov 8, 20228-KReg FD DisclosureNov 3, 20228-KReg FD DisclosureOct 18, 20228-KShareholder VoteSep 22, 20228-KMaterial AgreementAug 12, 20228-KResults of Operations · Company UpdateAug 9, 20228-KCompany UpdateJul 15, 20228-KReg FD Disclosure · Company UpdateJun 10, 20228-KReg FD DisclosureJun 1, 20228-KReg FD Disclosure · Company UpdateMay 12, 20228-KExecutive Change · Reg FD DisclosureMay 11, 20228-KResults of OperationsMay 9, 20228-KReg FD DisclosureApr 25, 20228-KResults of OperationsMar 21, 20228-KMaterial Agreement · New Debt / ObligationJan 19, 20228-KCompany UpdateJan 18, 20228-KResults of OperationsNov 9, 20218-KExecutive Change · Reg FD DisclosureNov 8, 20218-KExecutive Change · Reg FD DisclosureSep 29, 20218-KResults of OperationsSep 2, 20218-KExecutive Change · Reg FD DisclosureAug 25, 20218-KExecutive Change · Equity IssuanceJul 28, 2021
Insider Activity
In the 90 days to Feb 25, 2026: 4 sold $47K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 25, 2026 | Kelly Timothy PChief Technology Officer | Sell | 6,228 | $1.93 | $12K |
| Feb 24, 2026 | Mcclung Barbara GChief Legal Officer | Sell | 6,938 | $1.96 | $14K |
| Feb 24, 2026 | Khan Ruhi AhmadChief Business Officer | Sell | 6,938 | $1.96 | $14K |
| Feb 24, 2026 | Kelly Timothy PChief Technology Officer | Sell | 3,147 | $1.96 | $6K |
| Feb 24, 2026 | Albertson Tina M.Chief Medical Officer | Sell | 1,066 | $1.96 | $2K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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