BIOGEN INC.

Insider Reports History

Location: Cambridge, MA
Signature: /s/ Wendell Taylor, Secretary, Biogen Inc.
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by BIOGEN INC.:

Form 4 holding 10%+ Owner

SANGAMO THERAPEUTICS, INC

Security class: Common Stock
Shares / value: 17,652,466
Estimated value: $6,745,007
Report date: 26 Sep 2023
Price: $0.3821
Ownership: By Biogen MA Inc.

Form 4 holding Other*

Apellis Pharmaceuticals, Inc.

Security class: Common Stock
Shares / value: 0
Estimated value: $0
Report date: 31 Mar 2026
Price: $25.12
Ownership: Indirect

Form 4 holding Other*

REATA PHARMACEUTICALS INC

Security class: Class A common stock
Shares / value: 0
Estimated value
Report date: 28 Jul 2023
Price: $172.03
Ownership: Indirect

Insider Reports Filed by BIOGEN INC.

3 APLS

Apellis Pharmaceuticals, Inc.

Report period: 31 Mar 2026
Transactions: 0
Transaction value: $0
Filing time: 06 Apr 2026, 18:11
Role: Other*
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 26 Sep 2023
Transactions: 1
Transaction value: -$3,000,000
Filing time: 28 Sep 2023, 17:30
Role: 10%+ Owner
Next action: Open filing details

3

REATA PHARMACEUTICALS INC

Report period: 28 Jul 2023
Transactions: 0
Transaction value: $0
Filing time: 07 Aug 2023, 17:18
Role: Other*
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 29 Aug 2022
Transactions: 2
Transaction value: -$2,657,240
Filing time: 31 Aug 2022, 19:03
Role: 10%+ Owner
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 28 Dec 2021
Transactions: 1
Transaction value: -$23,522
Filing time: 30 Dec 2021, 16:12
Role: 10%+ Owner
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 23 Dec 2021
Transactions: 2
Transaction value: -$699,666
Filing time: 28 Dec 2021, 07:11
Role: 10%+ Owner
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 09 Dec 2021
Transactions: 1
Transaction value: -$202,541
Filing time: 10 Dec 2021, 15:08
Role: 10%+ Owner
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 07 Dec 2021
Transactions: 2
Transaction value: -$1,099,265
Filing time: 09 Dec 2021, 15:08
Role: 10%+ Owner
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 01 Dec 2021
Transactions: 2
Transaction value: -$22,166
Filing time: 03 Dec 2021, 15:09
Role: 10%+ Owner
Next action: Open filing details

4 SGMO

SANGAMO THERAPEUTICS, INC

Report period: 26 Nov 2021
Transactions: 1
Transaction value: -$248,434
Filing time: 30 Nov 2021, 15:20
Role: 10%+ Owner
Next action: Open filing details

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .