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

41
Insider
Date
Role
Action
Shares
Price
Amount
Timothy P Kelly
25 Feb 2026
Chief Technology Officer
Sell
6,228
$1.93
$12.02K
Tina M. Albertson
24 Feb 2026
Chief Medical Officer
Sold on a plan
1,066
$1.96
$2.09K
Ruhi Ahmad Khan
24 Feb 2026
Chief Business Officer
Sell
6,938
$1.96
$13.60K
Barbara G McClung
24 Feb 2026
Chief Legal Officer
Sell
6,938
$1.96
$13.60K
Timothy P Kelly
24 Feb 2026
Chief Technology Officer
Sell
3,147
$1.96
$6.17K
Rachel E. Haurwitz
14 Mar 2025
President and CEO
Buy indirect
20,000
$1.02
$20.40K
Steven Kanner
21 Feb 2025
Chief Scientific Officer
Sell
3,564
$1.35
$4.81K
Ruhi Ahmad Khan
21 Feb 2025
Chief Business Officer
Sell
3,564
$1.35
$4.81K
Barbara G McClung
21 Feb 2025
Chief Legal Officer
Sell
3,564
$1.35
$4.81K
Sriram Ryali
29 Jan 2025
Chief Financial Officer
Buy
17,360
$1.42
$24.65K
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
Syed Ali-aamir Rizvi
19 Jan 2023
Chief Medical Officer
Sell
5,627
$6.31
$35.51K
Steven Kanner
2 Dec 2022
Chief Scientific Officer
Exercised, kept
21,401
$2.69
$57.57K
Ryan Fischesser
6 Oct 2022
VP of Finance and Controller
Sold after exercise
10,000
$10.80
$107.96K
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
25 Aug 2022
Chief Scientific Officer
Sold after exercise
43,248
$11.22
$485.22K
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
Ryan Fischesser
11 Jan 2022
VP of Finance and Controller
Buy
6,818
$4.11
$28.02K
Ryan Fischesser
11 Jan 2022
VP of Finance and Controller
Buy
569
$2.69
$1.53K
Ryan Fischesser
20 Dec 2021
VP of Finance and Controller
Buy
1,136
$2.69
$3.06K
Barbara G McClung
7 Dec 2021
Chief Legal Officer
Buy
6,115
$2.69
$16.45K
Barbara G McClung
7 Dec 2021
Chief Legal Officer
Buy
12
$2.69
$32.28
Barbara G McClung
20 Oct 2021
Chief Legal Officer
Buy
43
$2.69
$115.67
Barbara G McClung
20 Oct 2021
Chief Legal Officer
Buy
9,176
$2.69
$24.68K
Steven Kanner
12 Oct 2021
Chief Scientific Officer
Buy
14,614
$2.69
$39.31K
Steven Kanner
12 Oct 2021
Chief Scientific Officer
Buy
698
$1.81
$1.26K
Steven Kanner
12 Oct 2021
Chief Scientific Officer
Buy
99,548
$1.81
left out
Ryan Fischesser
11 Oct 2021
VP of Finance and Controller
Buy
1,746
$2.69
$4.70K

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