Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 66 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

66 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 23, 2025 ALNY S 10b5-1 11,250 $275.00 $3,093,750 0 Direct -100.00% Disposed -20.1% (price as of 2026-10-02)
Feb. 29, 2024 ALNY S 10b5-1 13,005 $150.60 $1,958,553 16,995 Direct -43.35% Disposed 45.9% (price as of 2026-10-02)
Feb. 29, 2024 ALNY S 10b5-1 13,557 $151.43 $2,052,937 3,438 Direct -79.77% Disposed 45.1% (price as of 2026-10-02)
Feb. 29, 2024 ALNY S 10b5-1 915 $152.40 $139,446 2,523 Direct -26.61% Disposed 44.2% (price as of 2026-10-02)
Feb. 29, 2024 ALNY S 10b5-1 1,906 $153.62 $292,800 617 Direct -75.54% Disposed 43.0% (price as of 2026-10-02)
Feb. 29, 2024 ALNY S 10b5-1 101 $154.07 $15,561 516 Direct -16.37% Disposed 42.6% (price as of 2026-10-02)
Feb. 29, 2024 ALNY S 10b5-1 516 $156.54 $80,775 0 Direct -100.00% Disposed 40.4% (price as of 2026-10-02)
Aug. 15, 2022 ALNY S 10b5-1 98 $226.16 $22,164 33,572 Direct -0.29% Disposed -2.8% (price as of 2026-10-02)
Aug. 15, 2022 ALNY S 10b5-1 1,218 $228.33 $278,106 32,354 Direct -3.63% Disposed -3.8% (price as of 2026-10-02)
Aug. 15, 2022 ALNY S 10b5-1 11,600 $229.93 $2,667,188 20,754 Direct -35.85% Disposed -4.4% (price as of 2026-10-02)
Aug. 15, 2022 ALNY S 10b5-1 16,186 $230.71 $3,734,272 4,568 Direct -77.99% Disposed -4.8% (price as of 2026-10-02)
Aug. 15, 2022 ALNY S 10b5-1 3,853 $231.65 $892,547 715 Direct -84.35% Disposed -5.2% (price as of 2026-10-02)
Aug. 15, 2022 ALNY S 10b5-1 715 $232.81 $166,459 0 Direct -100.00% Disposed -5.6% (price as of 2026-10-02)
Feb. 9, 2022 ALNY S 10b5-1 30,000 $150.00 $4,500,000 0 Direct -100.00% Disposed 46.5% (price as of 2026-10-02)
Nov. 25, 2020 ALNY S 10b5-1 11,523 $124.30 $1,432,309 254,110 Direct -4.34% Disposed 76.8% (price as of 2026-10-02)
Nov. 25, 2020 ALNY S 10b5-1 15,715 $125.05 $1,965,161 238,395 Direct -6.18% Disposed 75.7% (price as of 2026-10-02)
Nov. 25, 2020 ALNY S 10b5-1 2,117 $126.16 $267,081 236,278 Direct -0.89% Disposed 74.2% (price as of 2026-10-02)
Nov. 25, 2020 ALNY S 10b5-1 645 $127.44 $82,199 235,633 Direct -0.27% Disposed 72.4% (price as of 2026-10-02)
Feb. 12, 2020 ALNY S 10b5-1 30,000 $130.00 $3,900,000 235,633 Direct -11.29% Disposed 69.0% (price as of 2026-10-02)
Nov. 18, 2019 ALNY S 10b5-1 5,559 $91.17 $506,814 245,074 Direct -2.22% Disposed 141.0% (price as of 2026-10-02)
Nov. 18, 2019 ALNY S 10b5-1 8,631 $91.97 $793,793 236,443 Direct -3.52% Disposed 138.9% (price as of 2026-10-02)
Nov. 18, 2019 ALNY S 10b5-1 810 $92.66 $75,055 235,633 Direct -0.34% Disposed 137.1% (price as of 2026-10-02)
April 15, 2019 ALNY S 10b5-1 11,800 $87.86 $1,036,748 238,833 Direct -4.71% Disposed 150.1% (price as of 2026-10-02)
April 15, 2019 ALNY S 10b5-1 2,200 $89.03 $195,866 236,633 Direct -0.92% Disposed 146.8% (price as of 2026-10-02)
April 15, 2019 ALNY S 10b5-1 400 $89.97 $35,988 236,233 Direct -0.17% Disposed 144.2% (price as of 2026-10-02)
April 15, 2019 ALNY S 10b5-1 600 $91.40 $54,840 235,633 Direct -0.25% Disposed 140.4% (price as of 2026-10-02)
March 13, 2018 ALNY S 10b5-1 15,000 $149.00 $2,235,000 140,795 Direct -9.63% Disposed 47.5% (price as of 2026-10-02)
March 9, 2018 ALNY S 10b5-1 15,000 $129.00 $1,935,000 140,795 Direct -9.63% Disposed 70.3% (price as of 2026-10-02)
Feb. 1, 2017 ALNY S 10b5-1 20,171 $39.72 $801,192 145,624 Direct -12.17% Disposed 453.2% (price as of 2026-10-02)
Feb. 1, 2017 ALNY S 10b5-1 4,829 $40.16 $193,933 140,795 Direct -3.32% Disposed 447.1% (price as of 2026-10-02)
Jan. 25, 2017 ALNY S 10b5-1 15,000 $37.95 $569,250 140,795 Direct -9.63% Disposed 479.0% (price as of 2026-10-02)
Jan. 18, 2017 ALNY S 10b5-1 8,800 $37.57 $330,616 146,995 Direct -5.65% Disposed 484.8% (price as of 2026-10-02)
Jan. 18, 2017 ALNY S 10b5-1 6,200 $38.20 $236,840 140,795 Direct -4.22% Disposed 475.2% (price as of 2026-10-02)
Dec. 4, 2015 ALNY S 10b5-1 30,000 $109.00 $3,270,000 140,795 Direct -17.56% Disposed 101.6% (price as of 2026-10-02)

Showing latest 100 of 260 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
Jan. 23, 2025 ALNY Stock Option (right to buy) Common Stock (11,250) $131.21 June 1, 2025 11,250 Disposed
May 16, 2024 ALNY Stock Option (right to buy) Common Stock (5,228) $151.22 May 16, 2034 5,228 Acquired
Feb. 29, 2024 ALNY Stock Option (right to buy) Common Stock (30,000) $59.25 June 4, 2024 30,000 Disposed
May 22, 2023 VIR Stock Option (Right to Buy) Common Stock (12,054) $25.74 May 21, 2033 12,054 Acquired
May 18, 2023 ALNY Stock Option (right to buy) Common Stock (3,454) $189.87 May 18, 2033 3,454 Acquired
Aug. 15, 2022 ALNY Stock Option (right to buy) Common Stock (3,670) $63.86 Jan. 2, 2024 3,670 Disposed
Aug. 15, 2022 ALNY Stock Option (right to buy) Common Stock (30,000) $30.09 June 6, 2023 30,000 Disposed
May 23, 2022 VIR Stock Option (Right to Buy) Common Stock (12,810) $24.14 May 22, 2032 12,810 Acquired
May 18, 2022 ALNY Stock Option (right to buy) Common Stock (5,153) $128.31 May 17, 2032 5,153 Acquired
Feb. 9, 2022 ALNY Stock Option (right to buy) Common Stock (30,000) $11.33 June 21, 2022 30,000 Disposed
July 15, 2021 ALNY Stock Option (right to buy) Common Stock (4,032) $171.95 July 14, 2031 4,032 Acquired
May 21, 2021 VIR Stock Option (Right to Buy) Common Stock (6,748) $45.28 May 20, 2031 6,748 Acquired
Nov. 25, 2020 ALNY Stock Option (right to buy) Common Stock (30,000) $9.30 June 9, 2021 30,000 Disposed
July 1, 2020 ALNY Stock Option (right to buy) Common Stock (4,581) $148.77 July 1, 2030 4,581 Acquired
May 21, 2020 VIR Stock Option (Right to Buy) Common Stock (24,850) $37.06 May 20, 2030 24,850 Acquired
May 21, 2020 VIR Stock Option (Right to Buy) Common Stock (28,888) $37.06 May 21, 2030 28,888 Acquired
Feb. 12, 2020 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $9.14 Dec. 8, 2020 15,000 Disposed
Feb. 12, 2020 ALNY Stock Option (right to buy) Common Stock (15,000) $15.82 June 2, 2020 15,000 Disposed
Nov. 18, 2019 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $16.43 Dec. 9, 2019 15,000 Disposed
Oct. 16, 2019 VIR Series A-1 Convertible Preferred Stock Common Stock (44,444) · · 44,444 Disposed
Oct. 16, 2019 VIR Series A-1 Convertible Preferred Stock Common Stock (44,444) · · 44,444 Disposed
Oct. 16, 2019 VIR Series A-1 Convertible Preferred Stock Common Stock (44,444) · · 44,444 Disposed
Oct. 16, 2019 VIR Series A-1 Convertible Preferred Stock Common Stock (88,888) · · 88,888 Disposed
Oct. 10, 2019 VIR Stock Option (Right to Buy) Common Stock (22,222) $20.00 Oct. 10, 2029 22,222 Acquired
July 1, 2019 ALNY Stock Option (right to buy) Common Stock (9,000) $72.01 June 30, 2029 9,000 Acquired
April 15, 2019 ALNY Stock Option (right to buy) Common Stock (15,000) $22.09 June 11, 2019 15,000 Disposed
June 20, 2018 ALNY Stock Option (right to buy) Common Stock (9,000) $105.26 June 19, 2028 9,000 Acquired
March 13, 2018 ALNY Stock Option (right to buy) Common Stock (15,000) $21.35 Dec. 8, 2018 15,000 Disposed
March 9, 2018 ALNY Stock Option (right to buy) Common Stock (15,000) $27.28 June 2, 2018 15,000 Disposed
June 2, 2017 ALNY Stock Option (right to buy) Common Stock (11,250) $71.99 June 1, 2027 11,250 Acquired
Feb. 1, 2017 ALNY Stock Option (right to buy) Common Stock (25,000) $31.29 Dec. 13, 2017 25,000 Disposed
Jan. 25, 2017 ALNY Stock Option (right to buy) Common Stock (15,000) $31.39 Dec. 12, 2017 15,000 Disposed
Jan. 18, 2017 ALNY Stock Option (right to buy) Common Stock (15,000) $15.91 June 1, 2017 15,000 Disposed
June 3, 2016 ALNY Stock Option (right to buy) Common Stock (11,250) $70.20 June 3, 2026 11,250 Acquired
Dec. 4, 2015 ALNY Non-Qualified Stock Option (right to buy) Common Stock (20,000) $14.05 Sept. 12, 2016 20,000 Disposed
Dec. 4, 2015 ALNY Stock Option (right to buy) Common Stock (10,000) $14.74 June 1, 2016 10,000 Disposed
June 1, 2015 ALNY Stock Option (right to buy) Common Stock (11,250) $131.21 June 1, 2025 11,250 Acquired
Oct. 13, 2014 ALNY Stock Option (right to buy) Common Stock (10,000) $7.08 June 8, 2015 10,000 Disposed
Oct. 13, 2014 ALNY Stock Option (right to buy) Common Stock (100,000) $7.77 May 13, 2015 100,000 Disposed
June 5, 2014 ALNY Stock Option (right to buy) Common Stock (30,000) $59.25 June 4, 2024 30,000 Acquired
Jan. 2, 2014 ALNY Stock Option (right to buy) Common Stock (3,670) $63.86 Jan. 2, 2024 3,670 Acquired
June 6, 2013 ALNY Stock Option (Right to Buy) Common Stock (30,000) $30.09 June 6, 2023 30,000 Acquired
June 21, 2012 ALNY Stock Option (Right to Buy) Common Stock (30,000) $11.33 June 21, 2022 30,000 Acquired
June 9, 2011 ALNY Stock Option (right to buy) Common Stock (30,000) $9.30 June 9, 2021 30,000 Acquired
Dec. 8, 2010 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $9.14 Dec. 8, 2020 15,000 Acquired
June 2, 2010 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $15.82 June 2, 2020 15,000 Acquired
Dec. 10, 2009 ALNY Stock Option (right to buy) Common Stock (15,000) $16.43 Dec. 9, 2019 15,000 Acquired
June 11, 2009 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $22.09 June 11, 2019 15,000 Acquired
June 3, 2009 BIIB Stock Option (Right to Buy) [F1] Common Stock (5,975) $53.43 June 2, 2019 5,975 Acquired
Dec. 9, 2008 ALNY Stock Option (right to buy) Common Stock (15,000) $21.35 Dec. 8, 2018 15,000 Acquired
July 21, 2008 BIIB Stock Option (right to buy) Common Stock (72,500) $35.42 Dec. 11, 2008 72,500 Disposed
July 9, 2008 BIIB Stock Option (rignt to buy) Common Stock (5,700) $59.17 June 18, 2018 5,700 Acquired
June 3, 2008 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $27.28 June 2, 2018 15,000 Acquired
April 8, 2008 BIIB Stock Option (right to buy) Common Stock (50,000) $35.42 Dec. 11, 2008 50,000 Disposed
April 8, 2008 BIIB Stock Option (right to buy) Common Stock (50,000) $35.42 Dec. 11, 2008 50,000 Disposed
Dec. 13, 2007 ALNY Non-Qualified Stock Option (right to buy) Common Stock (25,000) $31.29 Dec. 13, 2017 25,000 Acquired
Dec. 12, 2007 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $31.39 Dec. 12, 2017 15,000 Acquired
June 1, 2007 ALNY Non-Qualified Stock Option (right to buy) Common Stock (15,000) $15.91 June 1, 2017 15,000 Acquired
May 31, 2007 BIIB Stock Options (right to buy) Common Stock (5,950) $52.22 May 30, 2017 5,950 Acquired
May 25, 2007 BIIB Restricted Stock Unit Common Stock (1,250) · May 25, 2007 1,250 Disposed
Sept. 12, 2006 ALNY Stock Option (right to buy) Common Stock (20,000) $14.05 Sept. 12, 2016 20,000 Acquired
June 1, 2006 ALNY Stock Option (right to buy) Common Stock (10,000) $14.74 June 1, 2016 10,000 Acquired
May 25, 2006 BIIB Restricted Stock Units Common Stock (1,250) · · 1,250 Acquired
May 25, 2006 BIIB Employee Stock Option (right-to-buy) [F1] Common Stock (3,125) $46.99 May 24, 2016 3,125 Acquired
Jan. 9, 2006 BIIB Stock Option (right-to-buy) [F1] Common Stock (12,500) $47.55 Jan. 9, 2016 12,500 Acquired
June 8, 2005 ALNY Stock Option (right to buy) Common Stock (10,000) $7.08 June 8, 2015 10,000 Acquired
May 13, 2005 ALNY Stock Option (right to buy) Common Stock (100,000) $7.77 May 13, 2015 100,000 Acquired
Jan. 3, 2005 BIIB Stock Option (right-to-buy) [F1] Common Stock (12,500) $66.29 Jan. 3, 2015 12,500 Acquired
June 3, 2004 ALNY Series B Convertible Preferred Stock Common Stock (31,578) · · 60,000 Disposed
May 5, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (50,000) $11.73 Sept. 22, 2005 50,000 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (23,000) $11.73 Sept. 22, 2005 23,000 Disposed
May 4, 2004 BIIB Stock Option (right-to-buy) [F2] Common Stock (23,000) $11.73 Sept. 22, 2005 23,000 Disposed
April 13, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (65,000) $11.73 Sept. 22, 2005 65,000 Disposed
April 5, 2004 BIIB Stock Option (right-to-buy) [F1] Common Stock (23,000) $11.73 Sept. 22, 2005 23,000 Disposed
Jan. 2, 2004 BIIB Non-Qualified Stock Option (right to buy) [F1] Common Stock (12,500) $36.94 Jan. 1, 2014 12,500 Acquired
Nov. 14, 2003 BIIB 1987 SB Stock Option Common Stock (138,000) $11.73 Sept. 22, 2005 138,000 Acquired

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

Initial ownership (Form 3) 16 holdings

07

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

DateTickerSecuritySharesOwnership
Oct. 10, 2019 VIR Common Stock 16,480 Direct
Oct. 10, 2019 VIR Stock Options (Right to Buy)→ Common Stock (25,897) 25,897 Direct
Oct. 10, 2019 VIR Series A-1 Convertible Preferred Stock→ Common Stock (88,888) 88,888 Direct
Oct. 10, 2019 VIR Series A-1 Convertible Preferred Stock→ Common Stock (44,444) 44,444 Indirect
Oct. 10, 2019 VIR Series A-1 Convertible Preferred Stock→ Common Stock (44,444) 44,444 Indirect
Oct. 10, 2019 VIR Series A-1 Convertible Preferred Stock→ Common Stock (44,444) 44,444 Indirect
July 1, 2005 BIIB Common Stock · Direct
July 1, 2005 BIIB Non-Qualified Stock Option (right-to-buy)→ Common Stock (138,000) 138,000 Direct
July 1, 2005 BIIB Non-Qualified Stock Option (right-to-buy)→ Common Stock (17,250) 17,250 Direct
July 1, 2005 BIIB Non-Qualified Stock Option (right-to-buy)→ Common Stock (172,500) 172,500 Direct
July 1, 2005 BIIB Non-Qualified Stock Option (right-to-buy)→ Common Stock (34,500) 34,500 Direct
Nov. 23, 2004 ALNY Common Stock · Direct
May 27, 2004 ALNY Common Stock · Direct
May 27, 2004 ALNY Stock Option (right to buy)→ Common Stock · Direct
May 27, 2004 ALNY Series B Convertible Preferred Stock→ Common Stock · Direct
Nov. 14, 2003 BIIB No S ecurities Beneficially owned. 0 Direct