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

Role
Chief Scientific Officer Exhibit 24 - Power of Attorney.
Signature
/s/ Steven B. Kanner
Stock symbol
CRBU
Transactions as of
Jul 22, 2021
Transactions value $
$0
Form type
3
Date filed
7/22/2021, 09:00 PM
Next filing
Oct 13, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding CRBU Common Stock 100K Jul 22, 2021 Direct

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 171K $1.81 Direct F1
holding CRBU Stock Option (Right to Buy) Jul 22, 2021 Common Stock 5.58K $1.81 Direct F1
holding CRBU Stock Option (Right to Buy) Jul 22, 2021 Common Stock 147K $2.68 Direct F2
holding CRBU Stock Option (Right to Buy) Jul 22, 2021 Common Stock 232K $4.11 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option became fully exercisable on June 30, 2021.
F2 1/4th of the shares subject to this option vested on October 1, 2020 and an additional 1/48th of the aggregate number of shares subject to the option have vested or will vest on the corresponding day of each month thereafter, subject to the reporting person's continued services to the Issuer through the applicable vesting date.
F3 1/4th of the shares subject to this option will vest on March 2, 2022 and an additional 1/48th of the aggregate number of shares subject to the option will vest on the corresponding day of each month thereafter, subject to the reporting person's continued service to the Issuer through the applicable vesting date.

Remarks:

Chief Scientific Officer Exhibit 24 - Power of Attorney.