Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Caribou Biosciences Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2023-01-19
Sale
2023-01-20
4:13 pm
Caribou Biosciences Inc.CRBURizvi Syed Ali-aamir
Chief Medical Officer
5,627$6.31$35,50659,373
(Direct)
View
2022-10-06
Sale
2022-10-07
5:13 pm
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
10,000$10.8$107,958133,085
(Direct)
View
2022-08-25
Sale
2022-08-26
5:42 pm
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
43,248$11.22$485,221375,660
(Direct)
View
2022-01-11
Purchase
2022-01-12
4:35 pm
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
7,387$4.0006$29,553136,349
(Direct)
View
2021-12-20
Purchase
2021-12-21
5:23 pm
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,136$2.69$3,056149,079
(Direct)
View
2021-12-07
Purchase
2021-12-08
6:06 pm
Caribou Biosciences Inc.CRBUMCCLUNG BARBARA G
Chief Legal Officer
6,127$2.69$16,482423,884
(Direct)
View
2021-10-20
Purchase
2021-10-21
6:12 pm
Caribou Biosciences Inc.CRBUMCCLUNG BARBARA G
Chief Legal Officer
9,219$2.69$24,799423,884
(Direct)
View
2021-10-12
Purchase
2021-10-13
7:31 pm
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
114,860$1.922$220,757423,884
(Direct)
View
2021-10-11
Purchase
2021-10-12
7:33 pm
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,746$2.69$4,697109,079
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2022-12-02
Exercise
2022-12-02
7:01 pm
N/A
2029-09-30
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
21,401$2.69375,660
(Direct)
View
2022-10-06
Exercise
2022-10-07
5:13 pm
N/A
N/A
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
2,839$2.69133,085
(Direct)
View
2022-10-06
Exercise
2022-10-07
5:13 pm
N/A
N/A
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
2,839$4.11133,085
(Direct)
View
2022-10-06
Exercise
2022-10-07
5:13 pm
N/A
2029-03-18
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
5,678$0133,085
(Direct)
View
2022-09-15
Exercise
2022-09-16
4:14 pm
N/A
N/A
Caribou Biosciences Inc.CRBUMCCLUNG BARBARA G
Chief Legal Officer
27,595$2.69423,884
(Direct)
View
2022-09-15
Exercise
2022-09-16
4:14 pm
N/A
2028-06-11
Caribou Biosciences Inc.CRBUMCCLUNG BARBARA G
Chief Legal Officer
27,595$0423,884
(Direct)
View
2022-08-25
Exercise
2022-08-26
5:42 pm
N/A
N/A
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
43,248$2.69375,660
(Direct)
View
2022-08-25
Exercise
2022-08-26
5:42 pm
N/A
2029-09-30
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
43,248$0375,660
(Direct)
View
2022-08-22
Option Award
2022-08-24
5:29 pm
N/A
2032-08-21
Caribou Biosciences Inc.CRBUKhan Ruhi Ahmad
Chief Business Officer
70,000$070,000
(Direct)
View
2022-08-22
Option Award
2022-08-24
5:25 pm
N/A
N/A
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
4,848$0120,366
(Direct)
View
2022-05-18
Option Award
2022-05-18
8:38 pm
N/A
2032-05-17
Caribou Biosciences Inc.CRBUJOHNSON DAVID LEE
Director
44,000$044,000
(Direct)
View
2022-05-13
Exercise
2022-05-17
8:51 pm
N/A
N/A
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
6,114$2.69422,442
(Direct)
View
2022-05-13
Exercise
2022-05-17
8:51 pm
N/A
N/A
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
68,306$1.81422,442
(Direct)
View
2022-05-13
Exercise
2022-05-17
8:51 pm
N/A
2027-07-11
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
74,420$0422,442
(Direct)
View
2022-05-09
Exercise
2022-05-10
7:32 pm
N/A
2023-06-11
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
10,000$03,485,745
(Direct)
View
2022-05-09
Exercise
2022-05-10
7:32 pm
N/A
N/A
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
10,000$2.963,485,745
(Direct)
View
2022-01-26(A)
Exercise
2022-05-10
7:29 pm
N/A
2023-06-11
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
10,000$03,485,745
(Direct)
View
2022-01-26(A)
Exercise
2022-05-10
7:29 pm
N/A
N/A
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
10,000$2.963,485,745
(Direct)
View
2022-05-05
Exercise
2022-05-06
7:28 pm
N/A
N/A
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,136$2.69138,237
(Direct)
View
2022-05-05
Exercise
2022-05-06
7:28 pm
N/A
N/A
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,138$4.11138,237
(Direct)
View
2022-05-05
Exercise
2022-05-06
7:28 pm
N/A
2029-03-18
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
2,274$0138,237
(Direct)
View
2022-03-15
Exercise
2022-03-17
7:14 pm
N/A
N/A
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,136$2.69138,237
(Direct)
View
2022-03-15
Exercise
2022-03-17
7:14 pm
N/A
N/A
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,138$4.11138,237
(Direct)
View
2022-03-15
Exercise
2022-03-17
7:14 pm
N/A
2029-03-18
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
2,274$0138,237
(Direct)
View
2022-03-04
Exercise
2022-03-07
7:58 pm
N/A
N/A
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
9,171$2.69580,967
(Direct)
View
2022-03-04
Exercise
2022-03-07
7:58 pm
N/A
N/A
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
1,549$4.11580,967
(Direct)
View
2022-03-04
Exercise
2022-03-07
7:58 pm
N/A
2029-09-30
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
10,720$0580,967
(Direct)
View
2021-12-31
Ownership
2022-02-09
4:25 pm
N/A
N/A
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
3,349,395$03,349,395
(Direct)
View
2022-02-08
Exercise
2022-02-08
7:27 pm
N/A
N/A
Caribou Biosciences Inc.CRBUO'Byrne Jason
Chief Financial Officer
24,336$4.11437,201
(Direct)
View
2022-02-08
Exercise
2022-02-08
7:27 pm
N/A
2031-03-29
Caribou Biosciences Inc.CRBUO'Byrne Jason
Chief Financial Officer
24,336$0437,201
(Direct)
View
2022-01-26
Exercise
2022-01-27
4:41 pm
N/A
2023-06-11
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
10,000$03,485,745
(Direct)
View
2022-01-26
Exercise
2022-01-27
4:41 pm
N/A
N/A
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
10,000$2.963,485,745
(Direct)
View
2022-01-25
Option Award
2022-01-25
7:56 pm
N/A
2032-01-24
Caribou Biosciences Inc.CRBURizvi Syed Ali-aamir
Chief Medical Officer
221,250$0226,250
(Direct)
View
2022-01-18
Ownership
2022-01-24
4:30 pm
N/A
N/A
Caribou Biosciences Inc.CRBURizvi Syed Ali-aamir
Chief Medical Officer
0$05,000
(Direct)
View
2022-01-11
Exercise
2022-01-12
4:35 pm
N/A
2029-03-18
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
7,387$0136,349
(Direct)
View
2021-12-20(A)
Option Award
2021-12-22
9:17 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUWhiting Nancy
Director
13,060$013,060
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:43 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUZheng Ran
Director
13,750$013,750
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:41 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUWhiting Nancy
Director
13,750$013,750
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:38 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUSacks Natalie
Director
27,500$027,500
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:35 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUO'Byrne Jason
Chief Financial Officer
147,000$0147,000
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:31 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUMCCLUNG BARBARA G
Chief Legal Officer
147,000$0147,000
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:29 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
147,000$0147,000
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:27 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUHaurwitz Rachel E.
President and CEO
411,000$0411,000
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:25 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUGUGGENHIME ANDREW
Director
27,500$027,500
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:23 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
40,000$0149,079
(Direct)
View
2021-12-20
Exercise
2021-12-21
5:23 pm
N/A
2029-03-18
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,136$0149,079
(Direct)
View
2021-12-20
Option Award
2021-12-21
5:20 pm
N/A
2031-12-19
Caribou Biosciences Inc.CRBUBraunstein Scott
Director
27,500$027,500
(Direct)
View
2021-12-07
Exercise
2021-12-08
6:06 pm
N/A
2028-06-11
Caribou Biosciences Inc.CRBUMCCLUNG BARBARA G
Chief Legal Officer
6,127$0423,884
(Direct)
View
2021-11-15
Option Award
2021-11-16
6:58 pm
N/A
2031-11-14
Caribou Biosciences Inc.CRBUKhan Ruhi Ahmad
Chief Business Officer
225,000$0225,000
(Direct)
View
2021-11-11
Option Award
2021-11-15
4:57 pm
N/A
2031-11-10
Caribou Biosciences Inc.CRBURichardson-Heron Dara
Director
44,000$044,000
(Direct)
View
2021-10-20
Exercise
2021-10-21
6:12 pm
N/A
2029-09-30
Caribou Biosciences Inc.CRBUMCCLUNG BARBARA G
Chief Legal Officer
9,219$0423,884
(Direct)
View
2021-10-12
Exercise
2021-10-13
7:31 pm
N/A
2027-07-11
Caribou Biosciences Inc.CRBUKanner Steven
Chief Scientific Officer
114,860$0423,884
(Direct)
View
2021-10-11
Exercise
2021-10-12
7:33 pm
N/A
2029-03-18
Caribou Biosciences Inc.CRBUFischesser Ryan
VP of Finance and Controller
1,746$0109,079
(Direct)
View
(A) Indicate amendment filing.
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