Activist 13D/13G Filings - Caribou Biosciences Inc. (CRBU)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • 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
Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2024-02-23
4:15 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		Point72 Asset Management L.P.4,432,602
5%		435,057increase
(+10.88%)		View
2024-02-14
4:06 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		PFM Health Sciences LP6,480,764
7.3%		2,020,981increase
(+45.32%)		View
2024-02-14
06:30 am
Sale		13GCaribou Biosciences Inc.
CRBU		Point72 Asset Management L.P.3,997,545
4.5%		-87,999decrease
(-2.15%)		View
2024-01-25
4:59 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		BlackRock Inc.
BLK		7,068,468
8%		2,346,385increase
(+49.69%)		View
2024-01-25
07:20 am
Purchase		13GCaribou Biosciences Inc.
CRBU		STATE STREET CORP
STT		5,119,666
5.79%		1,920,773increase
(+60.04%)		View
2024-01-08
4:18 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		Avidity Partners Management LP6,360,212
7.2%		6,360,212increase
(New Position)		View
2023-07-20
4:15 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		Point72 Asset Management L.P.4,085,544
5.1%		4,085,544increase
(New Position)		View
2023-07-10
09:10 am
Purchase		13GCaribou Biosciences Inc.
CRBU		PFIZER INC
PFE		4,690,431
7.1%		4,690,431increase
(New Position)		View
2023-02-14
4:06 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		PFM Health Sciences LP4,459,783
7.3%		367,474increase
(+8.98%)		View
2023-02-09
08:14 am
Sale		13GCaribou Biosciences Inc.
CRBU		FMR LLC1,443,046
2.365%		-1,880,238decrease
(-56.58%)		View
2023-02-03
2:18 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		STATE STREET CORP
STT		3,198,893
5.24%		3,198,893increase
(New Position)		View
2023-02-03
12:10 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		BlackRock Inc.
BLK		4,722,083
7.7%		4,722,083increase
(New Position)		View
2022-06-01
5:23 pm
Sale		13GCaribou Biosciences Inc.
CRBU		DUPONT E I DE NEMOURS & CO
DD		2,058,000
3.39%		-1,093,311decrease
(-34.69%)		View
2022-03-01
4:45 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		DUPONT E I DE NEMOURS & CO
DD		3,151,311
5.24%		3,151,311increase
(New Position)		View
2022-02-14
12:35 pm
Unchanged		13GCaribou Biosciences Inc.
CRBU		PFM Health Sciences LP4,092,309
6.8%		0
(Unchanged)		View
2022-02-11
1:04 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		FARALLON CAPITAL MANAGEMENT LLC2,963,448
4.9%		2,963,448increase
(New Position)		View
2022-02-04
09:00 am
Purchase		13DCaribou Biosciences Inc.
CRBU		Haurwitz Rachel E.3,621,319
6%		3,621,319increase
(New Position)		View
2021-08-06
5:04 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		PFM Health Sciences LP4,092,309
7.2%		4,092,309increase
(New Position)		View
2021-08-03
5:29 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		Farallon Capital Partners L.P.3,356,969
5.9%		3,356,969increase
(New Position)		View
2021-07-29
2:54 pm
Purchase		13GCaribou Biosciences Inc.
CRBU		FMR LLC3,323,284
5.86%		3,323,284increase
(New Position)		View