Jane Grogan
CIK 1995547 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 12, 2023 · Latest: Feb. 17, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 19 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 13, 2026 | BIIB | A | 8,450 | — | — | 8,450 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 6, 2026 | BIIB | M | 1,873 | — | — | 3,747 Direct | -33.33% | Disposed | (price as of 2026-08-20) |
| Feb. 6, 2026 | BIIB | M | 1,385 | — | — | 1,385 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| Feb. 6, 2026 | BIIB | F | 584 | $201.18 | $117,489 | 4,058 Direct | -12.58% | Disposed | 9.3% (price as of 2026-08-20) |
| Feb. 6, 2026 | BIIB | M | 1,873 | — | — | 4,642 Direct | +67.64% | Acquired | (price as of 2026-08-20) |
| Feb. 6, 2026 | BIIB | F | 407 | $201.18 | $81,880 | 2,769 Direct | -12.81% | Disposed | 9.3% (price as of 2026-08-20) |
| Feb. 6, 2026 | BIIB | M | 1,385 | — | — | 3,176 Direct | +77.33% | Acquired | (price as of 2026-08-20) |
| Oct. 31, 2025 | BIIB | M | 695 | — | — | 695 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| Oct. 31, 2025 | BIIB | F | 337 | $154.27 | $51,989 | 1,791 Direct | -15.84% | Disposed | 42.6% (price as of 2026-08-20) |
| Oct. 31, 2025 | BIIB | M | 695 | — | — | 2,128 Direct | +48.50% | Acquired | (price as of 2026-08-20) |
| Feb. 7, 2025 | BIIB | M | 1,385 | — | — | 2,770 Direct | -33.33% | Disposed | (price as of 2026-08-20) |
| Feb. 7, 2025 | BIIB | F | 443 | $141.35 | $62,618 | 1,433 Direct | -23.61% | Disposed | 55.6% (price as of 2026-08-20) |
| Feb. 7, 2025 | BIIB | M | 1,385 | — | — | 1,876 Direct | +282.08% | Acquired | (price as of 2026-08-20) |
| Feb. 6, 2025 | BIIB | A | 5,620 | — | — | 5,620 Direct | — | Acquired | (price as of 2026-08-20) |
| Nov. 1, 2024 | BIIB | M | 695 | — | — | 1,390 Direct | -33.33% | Disposed | (price as of 2026-08-20) |
| Nov. 1, 2024 | BIIB | F | 204 | $173.79 | $35,453 | 491 Direct | -29.35% | Disposed | 26.6% (price as of 2026-08-20) |
| Nov. 1, 2024 | BIIB | M | 695 | — | — | 695 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 7, 2024 | BIIB | A | 4,155 | — | — | 4,155 Direct | — | Acquired | (price as of 2026-08-20) |
| Nov. 1, 2023 | BIIB | A | 2,085 | — | — | 2,085 Direct | — | Acquired | (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 13, 2026 | BIIB | Restricted Stock Unit | Common Stock (8,450) | $0.00 | Feb. 13, 2029 | 8,450 | Acquired |
| Feb. 6, 2026 | BIIB | Restricted Stock Unit | Common Stock (1,873) | $0.00 | Feb. 6, 2028 | 1,873 | Disposed |
| Feb. 6, 2026 | BIIB | Restricted Stock Unit | Common Stock (1,385) | $0.00 | Feb. 7, 2027 | 1,385 | Disposed |
| Oct. 31, 2025 | BIIB | Restricted Stock Unit | Common Stock (695) | $0.00 | Nov. 1, 2026 | 695 | Disposed |
| Feb. 7, 2025 | BIIB | Restricted Stock Unit | Common Stock (1,385) | $0.00 | Feb. 7, 2027 | 1,385 | Disposed |
| Feb. 6, 2025 | BIIB | Restricted Stock Unit | Common Stock (5,620) | $0.00 | Feb. 6, 2028 | 5,620 | Acquired |
| Nov. 1, 2024 | BIIB | Restricted Stock Unit | Common Stock (695) | $0.00 | Nov. 1, 2026 | 695 | Disposed |
| Feb. 7, 2024 | BIIB | Restricted Stock Unit | Common Stock (4,155) | $0.00 | Feb. 7, 2027 | 4,155 | Acquired |
| Nov. 1, 2023 | BIIB | Restricted Stock Unit | Common Stock (2,085) | $0.00 | Nov. 1, 2026 | 2,085 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 12, 2023 | BIIB | Common Stock | 0 | Direct |