Ruhi Ahmad Khan - Nov 15, 2021 Form 4 Insider Report for Caribou Biosciences, Inc. (CRBU)

Role
Chief Business Officer
Signature
/s/ Barbara G. McClung, attorney-in-fact
Stock symbol
CRBU
Transactions as of
Nov 15, 2021
Transactions value $
$0
Form type
4
Date filed
11/16/2021, 05:58 PM
Previous filing
Nov 8, 2021
Next filing
Aug 24, 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 +225K $0.00 225K Nov 15, 2021 Common Stock 225K $21.73 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the shares subject to the option shall vest on November 8, 2022, and the remaining shares subject to the option shall vest monthly thereafter (1/48 of the shares per month for the 36 months following the one-year cliff), subject to the reporting person's continued service to the Issuer through the applicable vesting dates.