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
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Time period
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Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2023-09-28
4:38 pm
Sale		13DReata Pharmaceuticals, Inc.
RETA		BIOGEN INC.
BIIB		0
0%		-8,936,791decrease
(Position Closed)		View
2023-08-07
5:21 pm
Purchase		13DReata Pharmaceuticals, Inc.
RETA		BIOGEN INC.
BIIB		8,936,791
23.4%		8,936,791increase
(New Position)		View
2023-02-09
4:01 pm
Sale		13GBiogen Inc.
BIIB		PRIMECAP MANAGEMENT CO15,700,576
10.9%		-56,829decrease
(-0.36%)		View
2023-02-09
11:12 am
Purchase		13GBiogen Inc.
BIIB		VANGUARD GROUP INC11,976,623
8.32%		439,324increase
(+3.81%)		View
2023-01-24
1:56 pm
Purchase		13GBiogen Inc.
BIIB		BlackRock Inc.
BLK		14,260,137
9.9%		523,183increase
(+3.81%)		View
2022-03-07
2:51 pm
Unchanged		13GBiogen Inc.
BIIB		BlackRock Inc.
BLK		13,736,954
9.4%		0
(Unchanged)		View
2022-02-10
12:21 pm
Sale		13GBiogen Inc.
BIIB		PRIMECAP MANAGEMENT CO15,757,405
10.73%		-64,661decrease
(-0.41%)		View
2022-02-09
3:33 pm
Sale		13GBiogen Inc.
BIIB		VANGUARD GROUP INC11,537,299
7.85%		-359,211decrease
(-3.02%)		View
2022-02-08
5:05 pm
Purchase		13GBiogen Inc.
BIIB		BlackRock Inc.
BLK		13,736,954
9.4%		317,353increase
(+2.36%)		View
2021-02-12
12:02 pm
Sale		13GBiogen Inc.
BIIB		PRIMECAP MANAGEMENT CO15,822,066
10.28%		-65,313decrease
(-0.41%)		View
2021-02-10
10:39 am
Sale		13GBiogen Inc.
BIIB		VANGUARD GROUP INC11,896,510
7.73%		-1,974,028decrease
(-14.23%)		View
2021-01-28
5:56 pm
Sale		13GBiogen Inc.
BIIB		BlackRock Inc.
BLK		13,419,601
8.7%		-2,239,040decrease
(-14.30%)		View
2021-01-11
4:19 pm
Purchase		13GSage Therapeutics, Inc.
SAGE		BIOGEN INC.
BIIB		6,241,473
10.7%		6,241,473increase
(New Position)		View
2020-12-09
5:00 pm
Purchase		13GBiogen Inc.
BIIB		PRIMECAP MANAGEMENT CO15,887,379
10.32%		697,898increase
(+4.59%)		View
2020-09-28
4:11 pm
Purchase		13GDenali Therapeutics Inc.
DNLI		BIOGEN INC.
BIIB		13,310,243
11.16%		13,310,243increase
(New Position)		View
2020-04-17
4:13 pm
Purchase		13GSangamo Therapeutics, Inc.
SGMO		BIOGEN INC.
BIIB		24,420,157
17.37%		24,420,157increase
(New Position)		View
2020-02-12
2:40 pm
Purchase		13GBiogen Inc.
BIIB		PRIMECAP MANAGEMENT CO15,189,481
8.42%		462,214increase
(+3.14%)		View
2020-02-12
11:01 am
Sale		13GBiogen Inc.
BIIB		VANGUARD GROUP INC13,870,538
7.68%		-1,300,069decrease
(-8.57%)		View
2020-02-11
4:58 pm
Sale		13GIonis Pharmaceuticals, Inc.
IONS		BIOGEN INC.
BIIB		5,750,577
4.1%		-5,750,576decrease
(-50.00%)		View
2020-02-11
4:56 pm
Sale		13GApplied Genetic Technologies Corporation
AGTC		BIOGEN INC.
BIIB		0
0%		-1,453,957decrease
(Position Closed)		View
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