DAVID LEE JOHNSON - 18 May 2022 Form 4 Insider Report for Caribou Biosciences, Inc. (CRBU)

Role
Director
Signature
/s/ Barbara G. McClung, as attorney-in-fact
Issuer symbol
CRBU
Transactions as of
18 May 2022
Net transactions value
$0
Form type
4
Filing time
18 May 2022, 20:38:27 UTC
Previous filing
12 May 2022
Next filing
03 Aug 2022

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 +44,000 $0.000000 44,000 18 May 2022 Common Stock 44,000 $9.12 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option becomes exercisable in three equal annual installments beginning May 18, 2023.