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Biogen

BIIB No buying or selling
CIK 0000875045 #69 in the set updated 18 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
$0.00
$0.00 against sales at will

By person

21 insiders · 0 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
ALEXANDER SUSAN H
EVP Chief Legal Officer
61,889
$12.44M
+19.7%
DORSA CAROLINE
Director
31,002
$6.23M
+16.5%
Viehbacher Christopher
President and CEO
29,924
$6.01M
+327.5%
Rowinsky Eric K
Director
25,844
$5.19M
+17.6%
McDonnell Michael R.
EVP, Chief Financial Officer
24,341
$4.89M
+25.4%
Gregory Ginger
EVP, Human Resources
22,359
$4.49M
+61.5%
Murphy Nicole
Head of Pharm Ops and Tech
19,611
$3.94M
+100.1%
SHERWIN STEPHEN A
Director
15,193
$3.05M
−24.3%
Kramer Robin
Chief Financial Officer
11,472
$2.31M
+84.2%
Mantas Jesus B
Director
11,263
$2.26M
+52.4%
Izzar Rachid
Head of Global Product Strat.
11,011
$2.21M
+137.6%
HAWKINS WILLIAM A
Director
10,365
$2.08M
+59.7%
Freire Maria C
Director
8,820
$1.77M
+98.4%
Singhal Priya
Head of Development
8,043
$1.62M
+46.7%
LANGER SUSAN
Director
6,634
$1.33M
+140.4%
Keeney Adam
Head of Corporate Development
6,365
$1.28M
+861.5%
Patolawala Monish D
Director
5,215
$1.05M
+289.2%
Grogan Jane
Head of Research
4,058
$815.50K
Pangalos Menelas N
Director
3,875
$778.72K
Minor Lloyd
Director
2,689
$540.38K
Godbout Sean
Chief Accounting Officer
1,342
$269.62K
+181.5%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Nothing of that kind in this period.

What was left out

Form 4 filings counted 1
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 0
History held since 26 Sep 2016