Insider at

04

Insider transactions

05
1 buys (P) 0 sells (S) Net: $268,000 + 69 non-open-market transactions below Avg return of open purchases vs now: -44.7% 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
March 6, 2026 ARVN P 20,000 $13.40 $268,000 96,021 Direct +26.31% Acquired -44.7% (price as of 2026-10-02)
Sept. 22, 2025 ARVN P 30,000 $7.57 $227,100 76,021 Direct +65.19% Acquired -2.1% (price as of 2026-10-02)
Aug. 9, 2023 SNDX S 52,855 $18.27 $965,661 17,836 Direct -74.77% Disposed -3.7% (price as of 2026-10-02)
July 10, 2023 SNDX S 52,855 $20.40 $1,078,242 17,836 Direct -74.77% Disposed -13.7% (price as of 2026-10-02)
June 9, 2023 SNDX S 24,582 $21.18 $520,647 46,109 Direct -34.77% Disposed -16.9% (price as of 2026-10-02)
June 9, 2023 SNDX S 28,273 $21.18 $598,822 17,836 Direct -61.32% Disposed -16.9% (price as of 2026-10-02)
May 9, 2023 SNDX S 52,855 $21.41 $1,131,626 17,836 Direct -74.77% Disposed -17.8% (price as of 2026-10-02)
April 10, 2023 SNDX S 52,855 $19.53 $1,032,258 17,836 Direct -74.77% Disposed -9.9% (price as of 2026-10-02)
March 13, 2023 SNDX S 10b5-1 52,854 $22.53 $1,190,801 17,836 Direct -74.77% Disposed -21.9% (price as of 2026-10-02)
Feb. 6, 2023 SNDX S 10b5-1 52,854 $26.83 $1,418,073 17,836 Direct -74.77% Disposed -34.4% (price as of 2026-10-02)
Sept. 20, 2022 SNDX S 10b5-1 59,649 $23.25 $1,386,839 17,836 Direct -76.98% Disposed -24.3% (price as of 2026-10-02)
Sept. 19, 2022 SNDX S 10b5-1 114,339 $23.03 $2,633,227 17,836 Direct -86.51% Disposed -23.6% (price as of 2026-10-02)
Sept. 16, 2022 SNDX S 10b5-1 71,966 $23.22 $1,671,051 17,836 Direct -80.14% Disposed -24.2% (price as of 2026-10-02)
Sept. 16, 2022 SNDX S 10b5-1 53,034 $23.22 $1,231,449 17,836 Direct -74.83% Disposed -24.2% (price as of 2026-10-02)
Sept. 15, 2022 SNDX S 10b5-1 66,775 $24.20 $1,615,955 17,836 Direct -78.92% Disposed -27.3% (price as of 2026-10-02)
Sept. 14, 2022 SNDX S 10b5-1 87,645 $23.80 $2,085,951 17,836 Direct -83.09% Disposed -26.1% (price as of 2026-10-02)
July 1, 2022 SNDX S 10b5-1 62,292 $19.00 $1,183,548 17,836 Direct -77.74% Disposed -7.4% (price as of 2026-10-02)
April 14, 2022 ARVN S 10b5-1 10,754 $67.03 $720,841 19,976 Direct -35.00% Disposed -88.9% (price as of 2026-10-02)
April 14, 2022 ARVN S 10b5-1 7,104 $66.07 $469,361 30,730 Direct -18.78% Disposed -88.8% (price as of 2026-10-02)
April 14, 2022 ARVN S 10b5-1 3,102 $65.24 $202,374 37,834 Direct -7.58% Disposed -88.6% (price as of 2026-10-02)
April 4, 2022 SNDX S 10b5-1 3,128 $18.29 $57,211 17,836 Direct -14.92% Disposed -3.8% (price as of 2026-10-02)
April 1, 2022 SNDX S 10b5-1 6,000 $17.44 $104,640 42,336 Direct -12.41% Disposed 0.9% (price as of 2026-10-02)
April 1, 2022 SNDX S 10b5-1 24,500 $17.44 $427,280 17,836 Direct -57.87% Disposed 0.9% (price as of 2026-10-02)
April 1, 2022 SNDX S 10b5-1 70,545 $17.46 $1,231,716 17,836 Direct -79.82% Disposed 0.8% (price as of 2026-10-02)
Jan. 14, 2022 ARVN S 10b5-1 2,108 $67.69 $142,691 24,748 Direct -7.85% Disposed -89.1% (price as of 2026-10-02)
Jan. 14, 2022 ARVN S 10b5-1 5,100 $67.28 $343,128 26,856 Direct -15.96% Disposed -89.0% (price as of 2026-10-02)
Jan. 14, 2022 ARVN S 10b5-1 3,833 $65.24 $250,065 31,956 Direct -10.71% Disposed -88.6% (price as of 2026-10-02)
Jan. 14, 2022 ARVN S 10b5-1 9,919 $64.33 $638,089 35,789 Direct -21.70% Disposed -88.5% (price as of 2026-10-02)
Dec. 17, 2021 SNDX S 10b5-1 35,156 $20.00 $703,120 48,336 Direct -42.11% Disposed -12.0% (price as of 2026-10-02)
Sept. 20, 2021 SNDX S 10b5-1 50 $20.00 $1,000 48,336 Direct -0.10% Disposed -12.0% (price as of 2026-10-02)
Sept. 17, 2021 SNDX S 10b5-1 70,262 $20.07 $1,410,158 48,336 Direct -59.24% Disposed -12.3% (price as of 2026-10-02)

Showing latest 100 of 125 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 24, 2026 ARVN Stock Option (right to buy) Common Stock (22,714) $8.05 June 23, 2036 22,714 Acquired
June 5, 2026 CRSP Stock Option (Right to Buy) Common Shares (13,000) $51.84 June 5, 2036 13,000 Acquired
June 25, 2025 ARVN Stock Option (right to buy) Common Stock (23,105) $7.80 June 24, 2035 23,105 Acquired
June 12, 2025 HOWL Stock Option (right to buy) Common Stock (27,000) $1.29 June 11, 2035 27,000 Acquired
June 5, 2025 CRSP Stock Option (Right to Buy) Common Shares (13,000) $38.57 June 5, 2035 13,000 Acquired
May 29, 2024 ARVN Stock Option (right to buy) Common Stock (9,070) $33.90 May 28, 2034 9,070 Acquired
May 24, 2024 HOWL Stock Option (right to buy) Common Stock (17,500) $4.88 May 23, 2034 17,500 Acquired
Aug. 9, 2023 SNDX Stock Options (Right to buy) Common Stock (52,855) $8.77 · 52,855 Disposed
July 10, 2023 SNDX Stock Options (Right to buy) Common Stock (52,855) $8.77 Feb. 6, 2027 52,855 Disposed
June 21, 2023 HOWL Stock Option (right to buy) Common Stock (13,200) $2.81 June 20, 2033 13,200 Acquired
June 15, 2023 ARVN Stock Option (right to buy) Common Stock (12,787) $30.33 June 14, 2033 12,787 Acquired
June 9, 2023 SNDX Stock Options (Right to buy) Common Stock (28,273) $8.77 Feb. 6, 2027 28,273 Disposed
June 9, 2023 SNDX Stock Options (Right to buy) Common Stock (24,582) $6.38 Feb. 6, 2029 24,582 Disposed
May 9, 2023 SNDX Stock Options (Right to buy) Common Stock (52,855) $6.38 Feb. 6, 2029 52,855 Disposed
April 10, 2023 SNDX Stock Options (Right to buy) Common Stock (52,855) $6.38 Feb. 6, 2029 52,855 Disposed
March 13, 2023 SNDX Stock Option (Right to Buy) Common Stock (52,854) $6.38 Feb. 6, 2029 52,854 Disposed
Feb. 6, 2023 SNDX Stock Options (Right to buy) Common Stock (52,854) $6.38 Feb. 6, 2029 52,854 Disposed
Feb. 2, 2023 SNDX Stock Options (Right to buy) Common Stock (32,000) $28.55 Feb. 2, 2033 32,000 Acquired
Sept. 20, 2022 SNDX Stock Options (Right to buy) Common Stock (59,649) $10.90 Sept. 9, 2025 59,649 Disposed
Sept. 19, 2022 SNDX Stock Options (Right to buy) Common Stock (114,339) $10.90 Sept. 9, 2025 114,339 Disposed
Sept. 16, 2022 SNDX Stock Options (Right to buy) Common Stock (53,034) $10.90 Sept. 9, 2025 53,034 Disposed
Sept. 16, 2022 SNDX Stock Options (Right to buy) Common Stock (71,966) $7.20 June 30, 2025 71,966 Disposed
Sept. 15, 2022 SNDX Stock Options (Right to buy) Common Stock (66,775) $7.20 June 30, 2025 66,775 Disposed
Sept. 14, 2022 SNDX Stock Options (Right to buy) Common Stock (87,645) $7.20 June 30, 2025 87,645 Disposed
July 1, 2022 SNDX Stock Options (Right to buy) Common Stock (62,292) $7.20 June 30, 2025 62,292 Disposed
June 16, 2022 ARVN Stock Option (right to buy) Common Stock (10,192) $36.79 June 15, 2032 10,192 Acquired
June 1, 2022 HOWL Stock Option (right to buy) Common Stock (11,600) $3.43 May 31, 2032 11,600 Acquired
April 14, 2022 ARVN Stock Option (right to buy) Common Stock (16,188) $16.00 Sept. 25, 2028 16,188 Disposed
April 4, 2022 SNDX Stock Options (Right to buy) Common Stock (3,128) · June 30, 2025 3,128 Disposed
April 4, 2022 SNDX Stock Options (Right to buy) Common Stock (3,128) $10.90 Sept. 9, 2025 3,128 Disposed
April 1, 2022 SNDX Stock Options (Right to buy) Common Stock (70,545) · June 30, 2025 70,545 Disposed
April 1, 2022 SNDX Stock Options (Right to buy) Common Stock (70,545) $10.90 Sept. 9, 2025 70,545 Disposed
Feb. 2, 2022 SNDX Stock Options (Right to buy) Common Stock (160,000) $15.79 Feb. 2, 2032 160,000 Acquired
Jan. 14, 2022 ARVN Stock Option (right to buy) Common Stock (16,188) $16.00 Sept. 25, 2028 16,188 Disposed
Dec. 17, 2021 SNDX Stock Options (Right to buy) Common Stock (35,156) $10.90 Sept. 9, 2025 35,156 Disposed
Sept. 20, 2021 SNDX Stock Options (Right to buy) Common Stock (50) $7.20 June 30, 2025 50 Disposed
Sept. 17, 2021 SNDX Stock Options (Right to buy) Common Stock (70,262) $7.20 June 30, 2025 70,262 Disposed
June 8, 2021 ARVN Stock Option (right to buy) Common Stock (7,511) $78.53 June 7, 2021 7,511 Acquired
April 30, 2021 HOWL Stock Option (right to buy) Common Stock (23,200) $16.00 April 29, 2031 23,200 Acquired
Feb. 8, 2021 SNDX Stock Options (Right to buy) Common Stock (35,156) $7.20 June 30, 2025 35,156 Disposed
Feb. 3, 2021 SNDX Stock Option (Right to Buy) Common Stock (195,000) $21.36 Feb. 3, 2031 195,000 Acquired
Nov. 10, 2020 SNDX Stock Options (Right to buy) Common Stock (17,466) $7.20 June 1, 2025 17,466 Disposed
Nov. 9, 2020 SNDX Stock Options (Right to buy) Common Stock (62,938) $7.20 June 1, 2025 62,938 Disposed
June 11, 2020 NXTC Stock Option (Right to Buy) Common Stock (14,250) $24.13 June 10, 2030 14,250 Acquired
June 3, 2020 ARVN Stock Option (right to buy) Common Stock (12,000) $33.57 June 2, 2030 12,000 Acquired
Feb. 12, 2020 SNDX Stock Option (Right to Buy) Common Stock (194,000) $9.47 Feb. 12, 2030 194,000 Acquired
June 13, 2019 NXTC Stock Option (Right to Buy) Common Stock (22,000) $15.57 June 12, 2029 22,000 Acquired
May 23, 2019 ARVN Stock Option (right to buy) Common Stock (12,923) $22.06 May 22, 2029 12,923 Acquired
Feb. 6, 2019 SNDX Stock Option (Right to Buy) Common Stock (354,000) $6.38 Feb. 6, 2029 354,000 Acquired
Sept. 26, 2018 ARVN Stock Option (right to buy) Common Stock (32,870) $16.00 Sept. 25, 2028 32,870 Acquired
Sept. 26, 2018 ARVN Stock Option (right to buy) Common Stock (6,960) $16.00 Sept. 25, 2028 6,960 Acquired
March 1, 2018 SNDX Stock Option (Right to Buy) Common Stock (200,000) $9.40 March 1, 2028 200,000 Acquired
Feb. 6, 2017 SNDX Stock Option (Right to Buy) Common Stock (160,000) $8.77 Feb. 6, 2027 160,000 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 10, 2025 CRSP Common Shares · Direct
June 10, 2025 CRSP Stock Option (Right to Buy)→ Common Shares (26,000) 26,000 Direct
June 6, 2025 CRSP Stock Option (Right to Buy)→ Common Shares (26,000) 26,000 Direct
April 29, 2021 HOWL Common Stock 15,523 Direct
April 29, 2021 HOWL Stock Option (right to buy)→ Common Stock (31,047) 31,047 Direct
May 8, 2019 NXTC Employee Stock Option (Right to Buy)→ Common Stock (7,468) 7,468 Direct
Sept. 26, 2018 ARVN Common Stock · Direct
March 2, 2016 SNDX Employee Stock Option (right to buy)→ Common Stock (548,223) 548,223 Direct
March 2, 2016 SNDX Employee Stock Option (right to buy)→ Common Stock (262,178) 262,178 Direct

Compensation (DEF 14A)

08

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

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2022 $637,500 · · $1,393,983 $334,688 · $8,000 $2,374,171
2021 $618,563 · · $2,968,473 $309,280 · $8,000 $3,904,316
2017 $549,585 · · · $204,500 · $3,000 $1,677,097

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