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$CRBU All transactions

Caribou Biosciences, Inc.

A

$ Value

$0

Shares

202,500

Price

$0

Filed

Feb 24

Insider

Name

Kelly Timothy P

Title

Chief Technology Officer

CIK

0001754067

Roles

Officer

Transaction Details

Transaction Date

2026-02-20

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

202,500

Footnotes

This reflects restricted stock units ("RSUs") that vest in four equal annual installments beginning on February 20, 2027, subject to the reporting person continuing to provide service to the Issuer through the applicable vesting dates. The RSUs will be settled in stock within 30 days after each vesting date. | Reflects the number of shares of common stock that were sold pursuant to the Issuer's mandatory sell-to-cover policy for the sole purpose of satisfying tax withholding obligations in connection with the vesting of RSUs previously granted to the reporting person and does not represent a discretionary trade by the reporting person. | 1/48 of the total number of shares subject to this option will vest on each monthly anniversary of the grant date such that the option will be fully vested on February 20, 2030, subject to the reporting person continuing to provide service to the Issuer through each such vesting date.

Filing Info

Accession No.

0001754067-26-000002

Form Type

4

Issuer CIK

0001619856

Kelly Timothy P's History

Date Ticker Type Value
2026-02-25 CRBU $12K
2026-02-24 CRBU $6K
2026-02-20 CRBU A $0
2026-02-20 CRBU A $0

Other Insiders at CRBU (90d)

Insider Bought Sold Last
GUGGENHIME ANDREW 2026-02-20
MCCLUNG BARBARA G
Chief Legal Officer
$14K 2026-02-24
Braunstein Scott 2026-02-20
Haurwitz Rachel E.
President and CEO
2026-02-20
Sacks Natalie 2026-02-20
JOHNSON DAVID LEE 2026-02-20
Kelly Timothy P
Chief Technology Officer
$18K 2026-02-25
Ryali Sriram
Chief Financial Officer
2026-02-20
Whiting Nancy 2026-02-20
Zheng Ran 2026-02-20
Khan Ruhi Ahmad
Chief Business Officer
$14K 2026-02-24
Richardson-Heron Dara 2026-02-20
Albertson Tina M.
Chief Medical Officer
$2K 2026-02-24