Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 69 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

69 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 15, 2024 BIIB P 455 $222.54 $101,256 20,629 Direct +2.26% Acquired -1.2% (price as of 2026-10-02)
Feb. 10, 2023 FBIOP P 11,976 $0.84 $10,060 931,976 Direct +1.30% Acquired 1907.1% (price as of 2026-10-02)
March 2, 2021 FBIOP S 10,000 $4.45 $44,500 720,000 Direct -1.37% Disposed 278.9% (price as of 2026-10-02)
Feb. 19, 2021 FBIOP S 8,000 $4.31 $34,480 730,000 Direct -1.08% Disposed 291.2% (price as of 2026-10-02)
Feb. 18, 2021 FBIOP S 6,000 $4.20 $25,200 738,000 Direct -0.81% Disposed 301.4% (price as of 2026-10-02)
Feb. 16, 2021 FBIOP S 2,000 $3.86 $7,720 744,000 Direct -0.27% Disposed 336.8% (price as of 2026-10-02)
Feb. 5, 2021 FBIOP S 4,000 $3.80 $15,200 746,000 Direct -0.53% Disposed 343.7% (price as of 2026-10-02)
Sept. 5, 2017 VSTM P 2,000 $3.84 $7,680 2,000 Indirect · Acquired -83.3% (price as of 2026-10-02)
March 20, 2015 BIIB S 10b5-1 11,667 $475.00 $5,541,825 11,310 Direct -50.78% Disposed -53.7% (price as of 2026-10-02)
March 19, 2015 BIIB S 10b5-1 2,333 $436.14 $1,017,515 11,310 Direct -17.10% Disposed -49.6% (price as of 2026-10-02)
March 17, 2015 BIIB S 10b5-1 4,667 $425.45 $1,985,575 11,310 Direct -29.21% Disposed -48.3% (price as of 2026-10-02)
March 9, 2015 BIIB S 10b5-1 4,666 $417.23 $1,946,795 11,310 Direct -29.21% Disposed -47.3% (price as of 2026-10-02)
Jan. 21, 2014 BIIB S 10b5-1 2,020 $310.09 $626,382 10,440 Direct -16.21% Disposed -29.1% (price as of 2026-10-02)
Jan. 6, 2012 BIIB S 10b5-1 11,667 $116.00 $1,353,372 9,135 Direct -56.09% Disposed 89.6% (price as of 2026-10-02)
Jan. 6, 2012 BIIB S 10b5-1 1,325 $116.00 $153,700 9,135 Direct -12.67% Disposed 89.6% (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 22, 2025 VSTM Stock Option (right to buy) Common Stock (12,500) $7.48 May 22, 2035 12,500 Acquired
June 18, 2024 VSTM Stock Option (right to buy) Common Stock (12,500) $3.27 June 18, 2034 12,500 Acquired
March 11, 2024 VSTM Stock Option (right to buy) Common Stock (12,572) $11.44 March 11, 2034 12,572 Acquired
March 11, 2024 VSTM Stock Option (right to buy) Common Stock (2,083) $49.92 June 28, 2031 2,083 Disposed
March 11, 2024 VSTM Stock Option (right to buy) Common Stock (2,083) $21.24 June 16, 2030 2,083 Disposed
March 11, 2024 VSTM Stock Option (right to buy) Common Stock (2,083) $21.72 June 21, 2029 2,083 Disposed
March 11, 2024 VSTM Stock Option (right to buy) Common Stock (2,157) $67.08 June 11, 2028 2,157 Disposed
March 11, 2024 VSTM Stock Option (right to buy) Common Stock (4,166) $25.08 June 13, 2027 4,166 Disposed
May 15, 2023 VSTM Stock Option (right to buy) Common Stock (62,500) $0.42 May 15, 2033 62,500 Acquired
June 22, 2022 VSTM Stock Option (right to buy) Common Stock (62,500) $1.11 June 22, 2032 62,500 Acquired
May 12, 2022 VSTM Stock Option (right to buy) [F1] Common Stock (62,500) $1.07 May 12, 2032 62,500 Acquired
June 28, 2021 VSTM Stock Option (right to buy) Common Stock (25,000) $4.16 June 28, 2031 25,000 Acquired
June 16, 2020 VSTM Stock Option (Right to Buy) Common Stock (25,000) $1.77 June 16, 2030 25,000 Acquired
June 21, 2019 VSTM Stock Option (Right to Buy) Common Stock (25,000) $1.81 June 21, 2029 25,000 Acquired
June 13, 2017 VSTM Stock Option (Right to Buy) Common Stock (50,000) $2.09 June 13, 2027 50,000 Acquired
March 20, 2015 BIIB Stock Option (Right to Buy) Common Stock (11,667) $59.82 March 22, 2020 11,667 Disposed
March 19, 2015 BIIB Stock Option (Right to Buy) Common Stock (2,333) $59.82 March 22, 2020 2,333 Disposed
March 17, 2015 BIIB Stock Option (Right to Buy) Common Stock (4,667) $59.82 March 22, 2020 4,667 Disposed
March 9, 2015 BIIB Stock Option (Right to Buy) Common Stock (4,666) $59.82 March 22, 2020 4,666 Disposed
Dec. 19, 2013 FBIOP Options to purchase Common Stock Common Stock (30,000) $2.10 Dec. 19, 2023 30,000 Acquired
Feb. 10, 2012 FBIOP Options to purchase Common Stock Common Stock (15,000) $6.25 Feb. 10, 2022 15,000 Acquired
Jan. 6, 2012 BIIB Stock Option (Right to Buy) Common Stock (11,667) $59.82 March 22, 2020 11,667 Disposed
Jan. 6, 2012 BIIB Stock Option (Right to Buy) Common Stock (1,325) $59.82 March 22, 2020 1,325 Disposed
June 30, 2010 SVRA Stock Option (Right to Buy) Common Stock (4,000) $1.63 June 30, 2020 4,000 Acquired
March 22, 2010 BIIB Stock Option (Right to Buy) Common Stock (35,000) $59.82 March 22, 2020 35,000 Acquired
March 22, 2010 BIIB Stock Option (Right to Buy) Common Stock (1,325) $59.82 March 22, 2020 1,325 Acquired
Feb. 2, 2010 SVRA Non-qualified Stock Option (Right to Buy) Commmon Stock (100,000) $0.32 Feb. 2, 2020 100,000 Acquired
Feb. 2, 2010 SVRA Non-qualified Stock Option (Right to Buy) Common Stock (100,000) $0.32 Feb. 2, 2020 100,000 Acquired
June 30, 2008 SVRA Non-Qualified Stock Option (right to buy) Common Stock (50,000) $0.37 June 29, 2018 50,000 Acquired
March 24, 2008 SVRA Non-Qualified Stock Option (right to buy) Common Stock (50,000) $0.48 March 23, 2018 50,000 Acquired

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

Initial ownership (Form 3) 2 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 13, 2011 FBIOP Options to purchase Common Stock→ Common Stock (193,490) 193,490 Direct
March 24, 2010 BIIB Common Stock 0 Direct