InsiderClue
Stocks · Health care · Biological Products, (No Diagnostic Substances)

Biogen

BIIB Clue Score50
United States Fiscal year ends December CIK 0000875045 Results filed 28 Oct 2026
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What the insiders did Net buying

Individual transactions

7
Insider
Date
Role
Action
Shares
Price
Amount
Robin Kramer
3 Dec 2021
Chief Accounting Officer
Exercised, kept
265
$223.92
$59.34K
Robin Kramer
3 Dec 2021
Chief Accounting Officer
Exercised, kept
74
$223.92
$16.57K
Rachid Izzar
2 Dec 2021
Head of Alzheimer's Disease
Exercised, kept
372
$228.52
$85.01K
Michael R. McDonnell
1 Sep 2021
EVP, Chief Financial Officer
Exercised, kept
3,324
$338.24
$1.12M
Michael R. McDonnell
1 Sep 2021
EVP, Chief Financial Officer
Exercised, kept
2,681
$338.24
$906.82K
Robin Kramer
1 Jul 2021
Chief Accounting Officer
Exercised, kept
251
$348.92
$87.58K
Susan H Alexander
22 Feb 2019
EVP Chief Legal Officer & Sec.
Exercised, kept
6,395
$48.52
$310.29K
Show all 73 transactions →

What was left out

Form 4 filings counted 436
Amendments (4/A) skipped 1
Filings about a different issuer 9
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 19
Sales straight out of an exercise 7
Sales at will 20
Transactions with no price 0
Shares from compensation/vesting 939,117
Sales filed before the plan box existed 19
History held since 3 Oct 2006