Andrew Guggenhime - Jul 22, 2021 Form 3 Insider Report for Caribou Biosciences, Inc. (CRBU)

Role
Director
Signature
/s/ Andrew Guggenhime
Stock symbol
CRBU
Transactions as of
Jul 22, 2021
Transactions value $
$0
Form type
3
Date filed
7/22/2021, 09:00 PM
Previous filing
May 25, 2021
Next filing
Nov 22, 2021

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
holding CRBU Stock Option (Right to Buy) Jul 22, 2021 Common Stock 87.4K $5.27 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option vests in equal monthly installments over a two year period, subject to the reporting person's continued service to the Insider thorough the applicable vesting date.

Remarks:

Exhibit 24 - Power of Attorney.