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4//SEC Filing

Whiting Nancy 4

Accession 0001209191-21-055280

CIK 0001619856other

View on SEC.gov Company Profile

Filed

Sep 8, 8:00 PM ET

Accepted

Sep 9, 4:23 PM ET

Size

8.5 KB

Accession

0001209191-21-055280

Insider Transaction Report

Form 4

Period: 2021-09-08

Caribou Biosciences, Inc.CRBU

Director

Transactions

Award
Stock Option (right to buy)
2021-09-08+44,000→ 44,000 total
Exercise: $28.32Exp: 2031-09-07→ Common Stock (44,000 underlying)

Footnotes (1)

[F1]The option becomes exercisable in three equal annual installments beginning September 8, 2022.

Documents

2 files

Issuer

Caribou Biosciences, Inc.

CIK 0001619856

Entity typeother

Related Parties

1

filerCIK 0001880609

Filing Metadata

Form type: 4
Filed: Sep 8, 8:00 PM ET
Accepted: Sep 9, 4:23 PM ET
Size: 8.5 KB

View on SEC.gov