InsiderClue
Stocks · Health care · Biological Products, (No Diagnostic Substances)

Caribou Biosciences, Inc.

CRBU Clue Score27
United States Fiscal year ends December CIK 0001619856 Results filed 5 Nov 2026
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What the insiders did Net buying

Individual transactions

17
Insider
Date
Role
Action
Shares
Price
Amount
Steven Kanner
6 Feb 2024
Chief Scientific Officer
Exercised, kept
30,577
$2.69
$82.25K
Rachel E. Haurwitz
8 Jun 2023
President and CEO
Exercised, kept
10,000
$2.96
$29.60K
Rachel E. Haurwitz
20 Mar 2023
President and CEO
Exercised, kept
10,000
$2.96
$29.60K
Steven Kanner
2 Dec 2022
Chief Scientific Officer
Exercised, kept
21,401
$2.69
$57.57K
Barbara G McClung
15 Sep 2022
Chief Legal Officer
Exercised, kept
27,518
$2.69
$74.02K
Barbara G McClung
15 Sep 2022
Chief Legal Officer
Exercised, kept
77
$2.69
$207.13
Steven Kanner
13 May 2022
Chief Scientific Officer
Exercised, kept
6,114
$2.69
$16.45K
Steven Kanner
13 May 2022
Chief Scientific Officer
Exercised, kept
68,306
$1.81
$123.63K
Rachel E. Haurwitz
9 May 2022
President and CEO
Exercised, kept
10,000
$2.96
$29.60K
Ryan Fischesser
5 May 2022
VP of Finance and Controller
Exercised, kept
1,138
$4.11
$4.68K
Ryan Fischesser
5 May 2022
VP of Finance and Controller
Exercised, kept
1,136
$2.69
$3.06K
Ryan Fischesser
15 Mar 2022
VP of Finance and Controller
Exercised, kept
1,138
$4.11
$4.68K
Ryan Fischesser
15 Mar 2022
VP of Finance and Controller
Exercised, kept
1,136
$2.69
$3.06K
Steven Kanner
4 Mar 2022
Chief Scientific Officer
Exercised, kept
1,549
$4.11
$6.37K
Steven Kanner
4 Mar 2022
Chief Scientific Officer
Exercised, kept
9,171
$2.69
$24.67K
Jason O'Byrne
8 Feb 2022
Chief Financial Officer
Exercised, kept
24,336
$4.11
$100.02K
Rachel E. Haurwitz
26 Jan 2022
President and CEO
Exercised, kept
10,000
$2.96
$29.60K
Show all 41 transactions →

What was left out

Form 4 filings counted 97
Amendments (4/A) skipped 2
Filings about a different issuer 2
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 1
Sales straight out of an exercise 2
Sales at will 8
Transactions with no price 1
Shares from compensation/vesting 4,644,394
Sales filed before the plan box existed 1
History held since 11 May 2016