Barbara G. McClung - 20 Dec 2021 Form 4 Insider Report for Caribou Biosciences, Inc. (CRBU)

Role
Chief Legal Officer
Signature
/s/ Rachel E. Haurwitz, as attorney-in-fact
Issuer symbol
CRBU
Transactions as of
20 Dec 2021
Net transactions value
$0
Form type
4
Filing time
21 Dec 2021, 16:31:29 UTC
Previous filing
08 Dec 2021
Next filing
16 Sep 2022
SEC
View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CRBU Option to purchase Common Stock Award $0 +147,000 $0.000000 147,000 20 Dec 2021 Common Stock 147,000 $15.16 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares subject to this option will vest in equal monthly installments starting on the first monthly anniversary of the grant date until the option is fully vested on December 20, 2025, subject to the reporting person's continued service to the Issuer through the applicable vesting dates.