ALEXANDER SUSAN H

Officer · BIIB

As of 2026-09-16, ALEXANDER SUSAN H has 20 Form 4 transactions on record across 1 company — 10 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $1.8MIndirect: $0$1.8Mas of 2026-09-16
  • Direct $1.8M
  • Indirect $0
BIIBdirect8,450 sh$1.8M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

BIIB · 20 trades
2026-02-13: Award / grant, 8,450 sh ($0)2026-02-06: Withheld for tax, 1,514 sh ($305K)2026-02-06: Withheld for tax, 1,059 sh ($213K)2026-02-06: Withheld for tax, 931 sh ($187K)2026-02-06: Option exercise, 2,190 sh ($0)2026-02-06: Option exercise, 1,940 sh ($0)2026-02-06: Option exercise, 2,190 sh ($0)2026-02-06: Option exercise, 1,940 sh ($0)2026-02-06: Option exercise, 4,916 sh ($0)2026-02-06: Option exercise, 4,916 sh ($0)2025-02-10: Withheld for tax, 807 sh ($115K)2025-02-10: Option exercise, 2,575 sh ($0)2025-02-10: Option exercise, 2,575 sh ($0)2025-02-07: Withheld for tax, 643 sh ($91K)2025-02-07: Withheld for tax, 591 sh ($84K)2025-02-07: Option exercise, 2,190 sh ($0)2025-02-07: Option exercise, 2,190 sh ($0)2025-02-07: Option exercise, 1,940 sh ($0)2025-02-07: Option exercise, 1,940 sh ($0)2025-02-06: Award / grant, 14,750 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-13BIIBAward / grant8,4508,450Form 4
2026-02-06BIIBWithheld for tax1,51441,807Form 4
2026-02-06BIIBWithheld for tax1,05937,396Form 4
2026-02-06BIIBWithheld for tax93138,405Form 4
2026-02-06BIIBOption exercise2,19038,455Form 4
2026-02-06BIIBOption exercise1,94039,336Form 4
2026-02-06BIIBOption exercise2,1900Form 4
2026-02-06BIIBOption exercise1,9401,940Form 4
2026-02-06BIIBOption exercise4,9169,834Form 4
2026-02-06BIIBOption exercise4,91643,321Form 4
2025-02-10BIIBWithheld for tax80736,265Form 4
2025-02-10BIIBOption exercise2,5750Form 4
2025-02-10BIIBOption exercise2,57537,072Form 4
2025-02-07BIIBWithheld for tax64333,148Form 4
2025-02-07BIIBWithheld for tax59134,497Form 4
2025-02-07BIIBOption exercise2,1902,190Form 4
2025-02-07BIIBOption exercise2,19033,791Form 4
2025-02-07BIIBOption exercise1,94035,088Form 4
2025-02-07BIIBOption exercise1,9403,880Form 4
2025-02-06BIIBAward / grant14,75014,750Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.