Insider at

04

Insider transactions

05
0 buys (P) 2 sells (S) Net: $-149,631 + 72 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

72 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 13, 2026 STOK S 10b5-1 605 $36.80 $22,264 4,237 Direct -12.49% Disposed -31.2% (price as of 2026-10-05)
Jan. 21, 2026 RNA S 10b5-1 1,758 $72.45 $127,367 16,562 Direct -9.60% Disposed
Aug. 6, 2025 RNA S 10b5-1 107,500 $47.62 $5,119,150 19,650 Direct -84.55% Disposed
Jan. 21, 2025 RNA S 10b5-1 1,872 $28.60 $53,539 12,958 Direct -12.62% Disposed
Nov. 19, 2024 RNA S 10b5-1 3,323 $42.12 $139,965 14,830 Direct -18.31% Disposed
Oct. 21, 2024 RNA S 10b5-1 5,000 $46.63 $233,150 14,830 Direct -25.21% Disposed
Sept. 19, 2024 RNA S 10b5-1 5,000 $45.73 $228,650 14,830 Direct -25.21% Disposed
Aug. 19, 2024 RNA S 10b5-1 5,000 $45.19 $225,950 14,830 Direct -25.21% Disposed
July 19, 2024 RNA S 10b5-1 5,000 $45.01 $225,050 14,830 Direct -25.21% Disposed
June 20, 2024 RNA S 10b5-1 5,000 $37.59 $187,950 14,830 Direct -25.21% Disposed
June 13, 2024 RNA S 10b5-1 60,000 $40.08 $2,404,800 153,872 Indirect -28.05% Disposed
June 12, 2024 RNA S 10b5-1 40,000 $35.07 $1,402,800 213,872 Indirect -15.76% Disposed
May 20, 2024 RNA S 10b5-1 5,000 $29.90 $149,500 14,830 Direct -25.21% Disposed
April 19, 2024 RNA S 10b5-1 5,000 $22.82 $114,100 14,830 Direct -25.21% Disposed
April 3, 2024 RNA S 10b5-1 20,000 $27.11 $542,200 253,872 Indirect -7.30% Disposed
March 19, 2024 RNA S 10b5-1 5,000 $23.97 $119,850 14,830 Direct -25.21% Disposed
March 12, 2024 RNA S 10b5-1 25,000 $22.04 $551,000 17,471 Direct -58.86% Disposed
March 12, 2024 RNA S 10b5-1 2,641 $22.00 $58,102 14,830 Direct -15.12% Disposed
Jan. 22, 2024 RNA S 10b5-1 1,859 $10.13 $18,832 17,471 Direct -9.62% Disposed
March 15, 2023 RNA S 10b5-1 100 $22.01 $2,201 19,330 Direct -0.51% Disposed
Feb. 14, 2023 RNA S 10b5-1 523 $24.24 $12,678 19,330 Direct -2.63% Disposed
Feb. 14, 2023 RNA S 10b5-1 9,477 $23.62 $223,847 19,853 Direct -32.31% Disposed
Jan. 12, 2023 RNA S 10b5-1 10,000 $22.00 $220,000 1,330 Direct -88.26% Disposed
Dec. 29, 2022 RNA S 10b5-1 40,000 $22.01 $880,400 1,330 Direct -96.78% Disposed
Aug. 16, 2022 RNA S 10b5-1 3,499 $22.08 $77,258 1,330 Direct -72.46% Disposed
Aug. 15, 2022 RNA S 10b5-1 62,498 $22.12 $1,382,456 1,330 Direct -97.92% Disposed
Aug. 12, 2022 RNA S 10b5-1 14,003 $22.00 $308,066 1,330 Direct -91.33% Disposed
Nov. 18, 2021 RNA S 10b5-1 25,000 $27.89 $697,250 1,330 Direct -94.95% Disposed

Showing latest 100 of 213 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
June 3, 2026 STOK Director Stock Option (Right to Buy) Common Stock (17,786) $29.46 June 2, 2036 17,786 Acquired
Feb. 27, 2026 RNA Stock Option (Right to Buy) Common Stock (12,500) $22.34 Feb. 1, 2031 12,500 Disposed
Feb. 27, 2026 RNA Stock Option (Right to Buy) Common Stock (115,500) $14.22 Jan. 20, 2032 115,500 Disposed
Feb. 27, 2026 RNA Stock Option (Right to Buy) Common Stock (144,000) $22.47 Jan. 19, 2033 144,000 Disposed
Feb. 27, 2026 RNA Stock Option (Right to Buy) Common Stock (13,489) $39.96 June 12, 2034 13,489 Disposed
Feb. 27, 2026 RNA Stock Option (Right to Buy) Common Stock (10,034) $33.62 June 9, 2035 10,034 Disposed
Dec. 31, 2025 STOK Restricted Stock Units Common Stock (1,211) · Dec. 31, 2025 1,211 Disposed
Sept. 30, 2025 STOK Restricted Stock Units Common Stock (1,211) · Dec. 31, 2025 1,211 Disposed
Aug. 6, 2025 RNA Stock Option (Right to Buy) Common Stock (107,500) $22.34 Feb. 1, 2031 107,500 Disposed
June 30, 2025 STOK Restricted Stock Units Common Stock (1,210) · Dec. 31, 2025 1,210 Disposed
June 10, 2025 RNA Stock Option (Right to Buy) Common Stock (10,034) $33.62 June 9, 2035 10,034 Acquired
June 3, 2025 STOK Director Stock Option (Right to Buy) Common Stock (29,747) $10.90 June 2, 2035 29,747 Acquired
March 31, 2025 STOK Restricted Stock Units Common Stock (1,210) · Dec. 31, 2025 1,210 Disposed
March 19, 2025 STOK Restricted Stock Units Common Stock (4,842) · Dec. 31, 2025 4,842 Acquired
Nov. 19, 2024 RNA Stock Option (Right to Buy) Common Stock (3,323) $1.24 Feb. 18, 2030 3,323 Disposed
Oct. 21, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
Sept. 19, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
Aug. 19, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
July 19, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
June 20, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
June 13, 2024 RNA Stock Option (Right to Buy) Common Stock (13,489) $39.96 June 12, 2034 13,489 Acquired
June 5, 2024 STOK Director Stock Option (Right to Buy) Common Stock (7,639) $16.41 June 4, 2034 7,639 Acquired
May 20, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
April 19, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
March 19, 2024 RNA Stock Option (Right to Buy) Common Stock (5,000) $1.24 Feb. 18, 2030 5,000 Disposed
March 12, 2024 RNA Stock Option (Right to Buy) Common Stock (25,000) $1.24 Feb. 18, 2030 25,000 Disposed
June 13, 2023 STOK Director Stock Option (Right to Buy) Common Stock (19,441) $12.46 June 12, 2033 19,441 Acquired
March 15, 2023 RNA Stock Option (Right to Buy) Common Stock (100) $1.24 Feb. 18, 2030 100 Disposed
Feb. 14, 2023 RNA Stock Option (Right to Buy) Common Stock (10,000) $1.24 Feb. 18, 2030 10,000 Disposed
Jan. 20, 2023 RNA Stock Option (Right to Buy) Common Stock (144,000) $22.47 Jan. 19, 2033 144,000 Acquired
Jan. 12, 2023 RNA Stock Option (Right to Buy) Common Stock (10,000) $1.24 Feb. 18, 2030 10,000 Disposed
Dec. 29, 2022 RNA Stock Option (Right to Buy) Common Stock (40,000) $1.24 Feb. 18, 2030 40,000 Disposed
Aug. 16, 2022 RNA Stock Option (Right to Buy) Common Stock (3,499) $1.24 Feb. 18, 2030 3,499 Disposed
Aug. 15, 2022 RNA Stock Option (Right to Buy) Common Stock (34,758) $1.24 Feb. 18, 2030 34,758 Disposed
Aug. 15, 2022 RNA Stock Option (Right to Buy) Common Stock (27,740) $0.53 Aug. 28, 2027 27,740 Disposed
Aug. 12, 2022 RNA Stock Option (Right to Buy) Common Stock (14,003) $0.53 Aug. 28, 2027 14,003 Disposed
June 7, 2022 STOK Director Stock Option (Right to Buy) Common Stock (21,000) $12.96 June 6, 2032 21,000 Acquired
Jan. 21, 2022 RNA Stock Option (Right to Buy) Common Stock (115,500) $14.22 Jan. 20, 2032 115,500 Acquired
Nov. 18, 2021 RNA Stock Option (Right to Buy) Common Stock (24,396) $1.24 Feb. 18, 2030 24,396 Disposed
Nov. 18, 2021 RNA Stock Option (Right to Buy) Common Stock (604) $0.53 Aug. 28, 2027 604 Disposed
June 25, 2021 RNA Stock Option (Right to Buy) Common Stock (3,083) $0.53 Aug. 27, 2027 3,083 Disposed
June 25, 2021 RNA Stock Option (Right to Buy) Common Stock (17,017) $1.24 Feb. 18, 2030 17,017 Disposed
June 24, 2021 RNA Stock Option (Right to Buy) Common Stock (100) $1.24 Feb. 18, 2030 100 Disposed
June 17, 2021 RNA Stock Option (Right to Buy) Common Stock (200) $1.24 Feb. 18, 2030 200 Disposed
June 8, 2021 STOK Director Stock Option (Right to Buy) Common Stock (11,650) $40.37 June 7, 2031 11,650 Acquired
March 16, 2021 RNA Stock Option (Right to Buy) Common Stock (2,625) $1.24 Feb. 18, 2030 2,625 Disposed
March 16, 2021 RNA Stock Option (Right to Buy) Common Stock (1,975) $0.53 Aug. 28, 2027 1,975 Disposed
March 1, 2021 STOK Director Stock Option (Right to Buy) Common Stock (7,882) $0.60 April 2, 2028 7,882 Disposed
March 1, 2021 STOK Director Stock Option (Right to Buy) Common Stock (1,842) $0.40 Feb. 2, 2027 1,842 Disposed
March 1, 2021 STOK Director Stock Option (Right to Buy) Common Stock (2,776) $0.40 Feb. 11, 2026 2,776 Disposed
Feb. 2, 2021 RNA Stock Option (Right to Buy) Common Stock (120,000) $22.34 Feb. 1, 2031 120,000 Acquired
June 16, 2020 RNA Series A Preferred Stock Common Stock (16,751) · · 35,337 Disposed
June 3, 2020 STOK Director Stock Option (Right to Buy) Common Stock (14,777) $26.53 June 2, 2030 14,777 Acquired
Sept. 10, 2019 STOK Director Stock Option (Right to Buy) Common Stock (14,777) $28.80 Sept. 9, 2029 14,777 Acquired
April 25, 2007 IONS Employee Stock Option (right to buy) Common Stock (6,000) $5.25 Jan. 2, 2013 6,000 Disposed
Nov. 13, 2006 IONS Employee Stock Option (right to buy) Common Stock (30,000) $6.81 Jan. 5, 2010 30,000 Disposed
Nov. 9, 2006 IONS Employee Stock Option (right to buy) Common Stock (20,000) $6.81 Jan. 5, 2010 20,000 Disposed
Oct. 19, 2006 IONS Employee Stock Option (right to buy) Common Stock (9,828) $5.80 Jan. 2, 2012 9,828 Disposed
Oct. 19, 2006 IONS Employee Stock Option (right to buy) Common Stock (2,596) $5.15 Dec. 31, 2008 2,596 Disposed
Oct. 6, 2006 IONS Employee Stock Option (right to buy) Common Stock (10,000) $5.15 Dec. 31, 2008 10,000 Disposed
March 21, 2006 IONS Employee Stock Option (right to buy) Common Stock (500) $6.84 Jan. 1, 2013 500 Disposed
March 20, 2006 IONS Employee Stock Option (right to buy) Common Stock (9,500) $6.84 Jan. 1, 2013 9,500 Disposed
Feb. 17, 2006 IONS Employee Stock Option (right to buy) Common Stock (7,770) $5.15 Dec. 31, 2008 7,770 Disposed
Feb. 16, 2006 IONS Employee Stock Option (right to buy) Common Stock (3,000) $5.15 Dec. 31, 2008 3,000 Disposed
Jan. 3, 2006 IONS Employee Stock Option (right to buy) Common Stock (29,703) $5.25 Jan. 2, 2013 29,703 Acquired
Jan. 3, 2005 IONS Employee Stock Option (right to buy) Common Stock (22,462) $5.80 Jan. 2, 2012 22,462 Acquired
Dec. 22, 2004 IONS Employee Stock Option (right to buy) Common Stock (1,000) $5.88 Feb. 26, 2005 1,000 Disposed
Dec. 10, 2004 IONS Employee Stock Option (right to buy) Common Stock (5,500) $5.88 Feb. 26, 2005 5,500 Disposed
Dec. 10, 2004 IONS Employee Stock Option (right to buy) Common Stock (5,500) $5.88 Feb. 26, 2005 5,500 Disposed
Dec. 9, 2004 IONS Employee Stock Option (right to buy) Common Stock (3,000) $5.88 Feb. 26, 2005 3,000 Disposed
Dec. 3, 2004 IONS Employee Stock Option (right to buy) Common Stock (4,817) $5.88 Feb. 26, 2005 4,817 Disposed
Jan. 2, 2004 IONS Employee Stock Option (right to buy) Common Stock (26,880) $6.81 · 26,880 Acquired

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

Initial ownership (Form 3) 9 holdings

07

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

DateTickerSecuritySharesOwnership
June 11, 2020 RNA Common Stock 294,143 Indirect
June 11, 2020 RNA Series A Preferred Stock→ Common Stock (16,751) 16,751 Indirect
June 11, 2020 RNA Stock Option (Right to Buy)→ Common Stock (211,108) 211,108 Direct
June 11, 2020 RNA Stock Option (Right to Buy)→ Common Stock (47,405) 47,405 Direct
June 18, 2019 STOK Common Stock 17,979 Indirect
June 18, 2019 STOK Employee Stock Option (Right to Buy)→ Common Stock (2,776) 2,776 Direct
June 18, 2019 STOK Employee Stock Option (Right to Buy)→ Common Stock (1,842) 1,842 Direct
June 18, 2019 STOK Employee Stock Option (Right to Buy)→ Common Stock (16,646) 16,646 Direct
June 18, 2019 STOK Employee Stock Option (Right to Buy)→ Common Stock (22,494) 22,494 Direct