Grogan Jane

Officer · BIIB

As of 2026-09-16, Grogan Jane has 14 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 · 14 trades
2026-02-13: Award / grant, 8,450 sh ($0)2026-02-06: Withheld for tax, 584 sh ($117K)2026-02-06: Withheld for tax, 407 sh ($82K)2026-02-06: Option exercise, 1,873 sh ($0)2026-02-06: Option exercise, 1,385 sh ($0)2026-02-06: Option exercise, 1,873 sh ($0)2026-02-06: Option exercise, 1,385 sh ($0)2025-10-31: Withheld for tax, 337 sh ($52K)2025-10-31: Option exercise, 695 sh ($0)2025-10-31: Option exercise, 695 sh ($0)2025-02-07: Withheld for tax, 443 sh ($63K)2025-02-07: Option exercise, 1,385 sh ($0)2025-02-07: Option exercise, 1,385 sh ($0)2025-02-06: Award / grant, 5,620 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-13BIIBAward / grant8,4508,450Form 4
2026-02-06BIIBWithheld for tax5844,058Form 4
2026-02-06BIIBWithheld for tax4072,769Form 4
2026-02-06BIIBOption exercise1,8733,747Form 4
2026-02-06BIIBOption exercise1,3853,176Form 4
2026-02-06BIIBOption exercise1,8734,642Form 4
2026-02-06BIIBOption exercise1,3851,385Form 4
2025-10-31BIIBWithheld for tax3371,791Form 4
2025-10-31BIIBOption exercise6952,128Form 4
2025-10-31BIIBOption exercise695695Form 4
2025-02-07BIIBWithheld for tax4431,433Form 4
2025-02-07BIIBOption exercise1,3851,876Form 4
2025-02-07BIIBOption exercise1,3852,770Form 4
2025-02-06BIIBAward / grant5,6205,620Form 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.