Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 100 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 13, 2026 BIIB A 8,450 · · 8,450 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2026 BIIB M 3,511 · · 7,024 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2026 BIIB M 703 · · 704 Direct -49.96% Disposed (price as of 2026-10-02)
Feb. 6, 2026 BIIB M 789 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2026 BIIB F 1,063 $201.18 $213,854 11,472 Direct -8.48% Disposed 9.3% (price as of 2026-10-02)
Feb. 6, 2026 BIIB M 3,511 · · 12,535 Direct +38.91% Acquired (price as of 2026-10-02)
Feb. 6, 2026 BIIB F 207 $201.18 $41,644 9,024 Direct -2.24% Disposed 9.3% (price as of 2026-10-02)
Feb. 6, 2026 BIIB M 703 · · 9,231 Direct +8.24% Acquired (price as of 2026-10-02)
Feb. 6, 2026 BIIB F 273 $201.18 $54,922 8,528 Direct -3.10% Disposed 9.3% (price as of 2026-10-02)
Feb. 6, 2026 BIIB M 789 · · 8,801 Direct +9.85% Acquired (price as of 2026-10-02)
Feb. 10, 2025 BIIB M 834 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 10, 2025 BIIB F 245 $142.54 $34,922 8,012 Direct -2.97% Disposed 54.3% (price as of 2026-10-02)
Feb. 10, 2025 BIIB M 834 · · 8,257 Direct +11.24% Acquired (price as of 2026-10-02)
Feb. 7, 2025 BIIB M 703 · · 1,407 Direct -33.32% Disposed (price as of 2026-10-02)
Feb. 7, 2025 BIIB M 788 · · 789 Direct -49.97% Disposed (price as of 2026-10-02)
Feb. 7, 2025 BIIB F 244 $141.35 $34,489 7,423 Direct -3.18% Disposed 55.6% (price as of 2026-10-02)
Feb. 7, 2025 BIIB M 703 · · 7,667 Direct +10.09% Acquired (price as of 2026-10-02)
Feb. 7, 2025 BIIB F 232 $141.35 $32,793 6,964 Direct -3.22% Disposed 55.6% (price as of 2026-10-02)
Feb. 7, 2025 BIIB M 788 · · 7,196 Direct +12.30% Acquired (price as of 2026-10-02)
Feb. 6, 2025 BIIB A 10,535 · · 10,535 Direct · Acquired (price as of 2026-10-02)
Dec. 6, 2024 BIIB M 351 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Dec. 6, 2024 BIIB F 170 $157.78 $26,823 6,408 Direct -2.58% Disposed 39.4% (price as of 2026-10-02)
Dec. 6, 2024 BIIB M 351 · · 6,578 Direct +5.64% Acquired (price as of 2026-10-02)
Feb. 16, 2024 BIIB J 537 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 16, 2024 BIIB M 431 · · 537 Direct -44.52% Disposed (price as of 2026-10-02)
Feb. 16, 2024 BIIB M 914 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 16, 2024 BIIB F 127 $219.08 $27,823 6,227 Direct -2.00% Disposed 0.4% (price as of 2026-10-02)
Feb. 16, 2024 BIIB M 431 · · 6,354 Direct +7.28% Acquired (price as of 2026-10-02)
Feb. 16, 2024 BIIB F 269 $219.08 $58,933 5,923 Direct -4.34% Disposed 0.4% (price as of 2026-10-02)
Feb. 16, 2024 BIIB M 914 · · 6,192 Direct +17.32% Acquired (price as of 2026-10-02)
Feb. 9, 2024 BIIB M 833 · · 834 Direct -49.97% Disposed (price as of 2026-10-02)
Feb. 9, 2024 BIIB F 245 $240.98 $59,040 5,278 Direct -4.44% Disposed -8.8% (price as of 2026-10-02)
Feb. 9, 2024 BIIB M 833 · · 5,523 Direct +17.76% Acquired (price as of 2026-10-02)
Feb. 8, 2024 BIIB M 788 · · 4,943 Direct +18.97% Acquired (price as of 2026-10-02)
Feb. 8, 2024 BIIB M 788 · · 1,577 Direct -33.32% Disposed (price as of 2026-10-02)
Feb. 8, 2024 BIIB F 253 $240.30 $60,796 4,690 Direct -5.12% Disposed -8.5% (price as of 2026-10-02)
Feb. 7, 2024 BIIB A 2,110 · · 2,110 Direct · Acquired (price as of 2026-10-02)
Jan. 29, 2024 BIIB A 914 · · 914 Direct · Acquired (price as of 2026-10-02)
Dec. 8, 2023 BIIB M 351 · · 351 Direct -50.00% Disposed (price as of 2026-10-02)
Dec. 8, 2023 BIIB F 170 $239.29 $40,679 4,155 Direct -3.93% Disposed -8.1% (price as of 2026-10-02)
Dec. 8, 2023 BIIB M 351 · · 4,325 Direct +8.83% Acquired (price as of 2026-10-02)
June 30, 2023 BIIB M 252 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 30, 2023 BIIB F 122 $284.85 $34,752 3,974 Direct -2.98% Disposed -22.8% (price as of 2026-10-02)
June 30, 2023 BIIB M 252 · · 4,096 Direct +6.56% Acquired (price as of 2026-10-02)
Feb. 17, 2023 BIIB M 512 · · 3,844 Direct +15.37% Acquired (price as of 2026-10-02)
Feb. 17, 2023 BIIB J 454 · · 968 Direct -31.93% Disposed (price as of 2026-10-02)
Feb. 17, 2023 BIIB M 512 · · 1,422 Direct -26.47% Disposed (price as of 2026-10-02)
Feb. 17, 2023 BIIB F 238 $278.38 $66,254 3,332 Direct -6.67% Disposed -21.0% (price as of 2026-10-02)
Feb. 10, 2023 BIIB J 278 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 10, 2023 BIIB M 228 · · 278 Direct -45.06% Disposed (price as of 2026-10-02)
Feb. 10, 2023 BIIB M 833 · · 1,667 Direct -33.32% Disposed (price as of 2026-10-02)
Feb. 10, 2023 BIIB F 261 $286.30 $74,724 3,570 Direct -6.81% Disposed -23.2% (price as of 2026-10-02)
Feb. 10, 2023 BIIB F 67 $286.30 $19,182 3,831 Direct -1.72% Disposed -23.2% (price as of 2026-10-02)
Feb. 10, 2023 BIIB M 228 · · 3,898 Direct +6.21% Acquired (price as of 2026-10-02)
Feb. 10, 2023 BIIB F 262 $286.30 $75,011 3,670 Direct -6.66% Disposed -23.2% (price as of 2026-10-02)
Feb. 10, 2023 BIIB M 833 · · 3,932 Direct +26.88% Acquired (price as of 2026-10-02)
Feb. 8, 2023 BIIB A 2,365 · · 2,365 Direct · Acquired (price as of 2026-10-02)
Jan. 25, 2023 BIIB A 887 · · 3,099 Direct +40.10% Acquired (price as of 2026-10-02)
Dec. 8, 2022 BIIB M 350 · · 702 Direct -33.27% Disposed (price as of 2026-10-02)
Dec. 8, 2022 BIIB F 156 $289.10 $45,100 2,212 Direct -6.59% Disposed -23.9% (price as of 2026-10-02)
Dec. 8, 2022 BIIB M 350 · · 2,368 Direct +17.34% Acquired (price as of 2026-10-02)
July 1, 2022 BIIB M 252 · · 252 Direct -50.00% Disposed (price as of 2026-10-02)
July 1, 2022 BIIB F 74 $210.63 $15,587 2,018 Direct -3.54% Disposed 4.4% (price as of 2026-10-02)
July 1, 2022 BIIB M 252 · · 2,092 Direct +13.70% Acquired (price as of 2026-10-02)
Feb. 18, 2022 BIIB J 570 · · 1,934 Direct -22.76% Disposed (price as of 2026-10-02)
Feb. 18, 2022 BIIB M 396 · · 2,504 Direct -13.66% Disposed (price as of 2026-10-02)
Feb. 18, 2022 BIIB F 117 $209.79 $24,545 1,737 Direct -6.31% Disposed 4.8% (price as of 2026-10-02)
Feb. 18, 2022 BIIB M 396 · · 1,854 Direct +27.16% Acquired (price as of 2026-10-02)
Feb. 12, 2022 BIIB J 326 · · 506 Direct -39.18% Disposed (price as of 2026-10-02)
Feb. 12, 2022 BIIB M 176 · · 832 Direct -17.46% Disposed (price as of 2026-10-02)
Feb. 12, 2022 BIIB J 189 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 12, 2022 BIIB M 99 · · 189 Direct -34.38% Disposed (price as of 2026-10-02)
Feb. 12, 2022 BIIB F 85 $214.59 $18,240 1,458 Direct -5.51% Disposed 2.5% (price as of 2026-10-02)
Feb. 12, 2022 BIIB F 51 $214.59 $10,944 1,543 Direct -3.20% Disposed 2.5% (price as of 2026-10-02)
Feb. 12, 2022 BIIB M 176 · · 1,594 Direct +12.41% Acquired (price as of 2026-10-02)
Feb. 12, 2022 BIIB F 35 $214.59 $7,511 1,418 Direct -2.41% Disposed 2.5% (price as of 2026-10-02)
Feb. 12, 2022 BIIB M 99 · · 1,453 Direct +7.31% Acquired (price as of 2026-10-02)
Feb. 10, 2022 BIIB A 2,500 · · 2,500 Direct · Acquired (price as of 2026-10-02)
Jan. 19, 2022 BIIB A 244 · · 1,354 Direct +21.98% Acquired (price as of 2026-10-02)
Dec. 8, 2021 BIIB A 1,052 · · 1,052 Direct · Acquired (price as of 2026-10-02)
Dec. 3, 2021 BIIB M 265 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Dec. 3, 2021 BIIB J 104 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Dec. 3, 2021 BIIB M 74 · · 104 Direct -41.57% Disposed (price as of 2026-10-02)
Dec. 3, 2021 BIIB F 22 $223.92 $4,926 1,110 Direct -1.94% Disposed -1.8% (price as of 2026-10-02)
Dec. 3, 2021 BIIB F 78 $223.92 $17,466 1,132 Direct -6.45% Disposed -1.8% (price as of 2026-10-02)
Dec. 3, 2021 BIIB M 265 $223.92 $59,339 1,210 Direct +28.04% Acquired -1.8% (price as of 2026-10-02)
Dec. 3, 2021 BIIB M 74 $223.92 $16,570 945 Direct +8.50% Acquired -1.8% (price as of 2026-10-02)
July 1, 2021 BIIB M 251 $348.92 $87,579 945 Direct +36.17% Acquired -37.0% (price as of 2026-10-02)
July 1, 2021 BIIB F 74 $348.92 $25,820 871 Direct -7.83% Disposed -37.0% (price as of 2026-10-02)
July 1, 2021 BIIB M 251 · · 504 Direct -33.25% Disposed (price as of 2026-10-02)
Feb. 18, 2021 BIIB A 2,900 · · 2,900 Direct · Acquired (price as of 2026-10-02)
Feb. 12, 2021 BIIB J 289 · · 1,008 Direct -22.28% Disposed (price as of 2026-10-02)
Feb. 12, 2021 BIIB M 213 · · 1,297 Direct -14.11% Disposed (price as of 2026-10-02)
Feb. 12, 2021 BIIB J 166 · · 288 Direct -36.56% Disposed (price as of 2026-10-02)
Feb. 12, 2021 BIIB M 120 · · 454 Direct -20.91% Disposed (price as of 2026-10-02)
Feb. 12, 2021 BIIB F 73 $278.03 $20,296 591 Direct -10.99% Disposed -20.9% (price as of 2026-10-02)
Feb. 12, 2021 BIIB F 42 $278.03 $11,677 664 Direct -5.95% Disposed -20.9% (price as of 2026-10-02)
Feb. 12, 2021 BIIB M 213 · · 706 Direct +43.20% Acquired (price as of 2026-10-02)
Feb. 12, 2021 BIIB M 120 · · 493 Direct +32.17% Acquired (price as of 2026-10-02)
Dec. 3, 2020 BIIB J 102 · · 178 Direct -36.43% Disposed (price as of 2026-10-02)

Showing latest 100 of 135 transactions

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/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 (3,511) $0.00 Feb. 6, 2025 3,511 Disposed
Feb. 6, 2026 BIIB Restricted Stock Unit Common Stock (703) $0.00 Feb. 7, 2027 703 Disposed
Feb. 6, 2026 BIIB Restricted Stock Unit Common Stock (789) $0.00 Feb. 8, 2026 789 Disposed
Feb. 10, 2025 BIIB Restricted Stock Unit Common Stock (834) $0.00 Feb. 10, 2025 834 Disposed
Feb. 7, 2025 BIIB Restricted Stock Unit Common Stock (703) $0.00 Feb. 7, 2027 703 Disposed
Feb. 7, 2025 BIIB Restricted Stock Unit Common Stock (788) $0.00 Feb. 8, 2026 788 Disposed
Feb. 6, 2025 BIIB Restricted Stock Unit Common Stock (10,535) $0.00 Feb. 6, 2025 10,535 Acquired
Dec. 6, 2024 BIIB Restricted Stock Unit Common Stock (351) $0.00 Dec. 8, 2024 351 Disposed
Feb. 16, 2024 BIIB Restricted Stock Unit Common Stock (537) $0.00 Feb. 18, 2024 537 Disposed
Feb. 16, 2024 BIIB Restricted Stock Unit Common Stock (431) $0.00 Feb. 18, 2024 431 Disposed
Feb. 16, 2024 BIIB Performance Stock Unit Common Stock (914) $0.00 Feb. 18, 2024 914 Disposed
Feb. 9, 2024 BIIB Restricted Stock Unit Common Stock (833) $0.00 Feb. 10, 2025 833 Disposed
Feb. 8, 2024 BIIB Restricted Stock Unit Common Stock (788) $0.00 Feb. 8, 2026 788 Disposed
Feb. 7, 2024 BIIB Restricted Stock Unit Common Stock (2,110) $0.00 Feb. 7, 2027 2,110 Acquired
Jan. 29, 2024 BIIB Performance Stock Unit Common Stock (914) $0.00 Feb. 18, 2024 914 Acquired
Dec. 8, 2023 BIIB Restricted Stock Unit Common Stock (351) $0.00 Dec. 8, 2024 351 Disposed
June 30, 2023 BIIB Restricted Stock Unit Common Stock (252) $0.00 July 1, 2023 252 Disposed
Feb. 17, 2023 BIIB Restricted Stock Unit Common Stock (454) $0.00 Feb. 18, 2024 454 Disposed
Feb. 17, 2023 BIIB Restricted Stock Unit Common Stock (512) $0.00 Feb. 18, 2024 512 Disposed
Feb. 10, 2023 BIIB Restricted Stock Unit Common Stock (278) $0.00 Feb. 12, 2023 278 Disposed
Feb. 10, 2023 BIIB Restricted Stock Unit Common Stock (228) $0.00 Feb. 12, 2023 228 Disposed
Feb. 10, 2023 BIIB Restricted Stock Unit Common Stock (833) $0.00 Feb. 10, 2025 833 Disposed
Feb. 8, 2023 BIIB Restricted Stock Unit Common Stock (2,365) $0.00 Feb. 8, 2026 2,365 Acquired
Dec. 8, 2022 BIIB Restricted Stock Unit Common Stock (350) $0.00 Dec. 8, 2024 350 Disposed
July 1, 2022 BIIB Restricted Stock Unit Common Stock (252) $0.00 July 1, 2023 252 Disposed
Feb. 18, 2022 BIIB Restricted Stock Unit Common Stock (570) $0.00 Feb. 18, 2024 570 Disposed
Feb. 18, 2022 BIIB Restricted Stock Unit Common Stock (396) $0.00 Feb. 18, 2024 396 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (326) $0.00 Feb. 12, 2023 326 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (176) $0.00 Feb. 12, 2023 176 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (189) $0.00 Feb. 12, 2022 189 Disposed
Feb. 12, 2022 BIIB Restricted Stock Unit Common Stock (99) $0.00 Feb. 12, 2022 99 Disposed
Feb. 10, 2022 BIIB Restricted Stock Unit Common Stock (2,500) $0.00 Feb. 10, 2025 2,500 Acquired
Dec. 8, 2021 BIIB Restricted Stock Unit Common Stock (1,052) $0.00 Dec. 8, 2024 1,052 Acquired
Dec. 3, 2021 BIIB Restricted Stock Unit Common Stock (265) $0.00 Dec. 3, 2021 265 Disposed
Dec. 3, 2021 BIIB Restricted Stock Unit Common Stock (104) $0.00 Dec. 3, 2021 104 Disposed
Dec. 3, 2021 BIIB Restricted Stock Unit Common Stock (74) $0.00 Dec. 3, 2021 74 Disposed
July 1, 2021 BIIB Restricted Stock Unit Common Stock (251) $0.00 July 1, 2023 251 Disposed
Feb. 18, 2021 BIIB Restricted Stock Unit Common Stock (2,900) $0.00 Feb. 18, 2024 2,900 Acquired
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (289) $0.00 Feb. 12, 2023 289 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (213) $0.00 Feb. 12, 2023 213 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (166) $0.00 Feb. 12, 2022 166 Disposed
Feb. 12, 2021 BIIB Restricted Stock Unit Common Stock (120) $0.00 Feb. 12, 2022 120 Disposed
Dec. 3, 2020 BIIB Restricted Stock Unit Common Stock (102) $0.00 Dec. 3, 2021 102 Disposed
Dec. 3, 2020 BIIB Restricted Stock Unit Common Stock (74) $0.00 Dec. 3, 2021 74 Disposed
July 1, 2020 BIIB Restricted Stock Unit Common Stock (755) $0.00 July 1, 2023 755 Acquired
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (1,510) $0.00 Feb. 12, 2023 1,510 Acquired
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (154) $0.00 Feb. 12, 2022 154 Disposed
Feb. 12, 2020 BIIB Restricted Stock Unit Common Stock (132) $0.00 Feb. 12, 2022 132 Disposed
Dec. 3, 2019 BIIB Restricted Stock Unit Common Stock (92) $0.00 Dec. 3, 2021 92 Disposed
Dec. 3, 2019 BIIB Restricted Stock Unit Common Stock (84) $0.00 Dec. 3, 2021 84 Disposed
Feb. 12, 2019 BIIB Restricted Stock Unit Common Stock (860) $0.00 Feb. 12, 2022 860 Acquired
Dec. 3, 2018 BIIB Restricted Stock Unit Common Stock (265) $0.00 Dec. 3, 2021 265 Acquired
Dec. 3, 2018 BIIB Restricted Stock Unit Common Stock (530) $0.00 Dec. 3, 2021 530 Acquired
April 29, 2018 HTZWW Performance Stock Units Common Stock (798) · · 798 Disposed
March 3, 2018 HTZWW Employee Stock Option Common Stock (7,846) $17.73 March 2, 2025 7,846 Acquired
March 2, 2018 HTZWW Performance Stock Unit Common Stock (13,302) · · 13,302 Acquired
March 2, 2018 HTZWW Restricted Stock Common Stock (1,201) · · 1,201 Disposed
March 2, 2017 HTZWW Employee Stock Option (Right to Purchase) Common Stock (8,554) $22.19 March 2, 2024 8,554 Acquired
Feb. 17, 2015 HRI Employee Stock Options (right to purchase) Common Stock (50,904) $23.49 · 50,904 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

BIIB

CFO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $759,617 · · · $788,252 · $84,934 $5,806,584

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.