Insider at

04

Insider transactions

05
0 buys (P) 4 sells (S) Net: $-1,428,484 + 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
July 8, 2026 SNDX S 10b5-1 32,375 $24.24 $784,770 484,843 Direct -6.26% Disposed -27.4% (price as of 2026-10-02)
June 1, 2026 SNDX S 6,847 $18.99 $130,025 484,843 Direct -1.39% Disposed -7.3% (price as of 2026-10-02)
Feb. 9, 2026 SNDX S 17,159 $21.03 $360,854 491,690 Direct -3.37% Disposed -16.3% (price as of 2026-10-02)
Feb. 6, 2026 SNDX S 7,412 $20.62 $152,835 508,849 Direct -1.44% Disposed -14.6% (price as of 2026-10-02)
Sept. 8, 2025 SNDX S 10b5-1 157,307 $16.41 $2,581,408 298,661 Direct -34.50% Disposed 7.3% (price as of 2026-10-02)
July 16, 2025 SNDX S 7,534 $9.28 $69,916 298,661 Direct -2.46% Disposed 89.7% (price as of 2026-10-02)
March 4, 2025 SNDX S 10b5-1 7,814 $15.05 $117,601 300,121 Direct -2.54% Disposed 16.9% (price as of 2026-10-02)
Feb. 10, 2025 SNDX S 13,288 $15.50 $205,964 300,121 Direct -4.24% Disposed 13.5% (price as of 2026-10-02)
Feb. 6, 2023 SNDX S 10b5-1 5,959 $27.64 $164,707 17,659 Direct -25.23% Disposed -36.3% (price as of 2026-10-02)
Oct. 6, 2022 SNDX S 10b5-1 16,231 $25.29 $410,482 17,659 Direct -47.89% Disposed -30.4% (price as of 2026-10-02)
Oct. 4, 2022 SNDX S 10b5-1 1,280 $25.02 $32,026 17,659 Direct -6.76% Disposed -29.7% (price as of 2026-10-02)
Oct. 3, 2022 SNDX S 10b5-1 2,883 $25.01 $72,104 17,659 Direct -14.03% Disposed -29.6% (price as of 2026-10-02)
Sept. 30, 2022 SNDX S 10b5-1 29,606 $25.02 $740,742 17,659 Direct -62.64% Disposed -29.7% (price as of 2026-10-02)
July 25, 2022 SNDX S 10b5-1 19,764 $21.06 $416,230 17,659 Direct -52.81% Disposed -16.4% (price as of 2026-10-02)
July 25, 2022 SNDX S 10b5-1 11,838 $21.06 $249,308 17,659 Direct -40.13% Disposed -16.4% (price as of 2026-10-02)
July 7, 2022 SNDX S 10b5-1 100 $21.00 $2,100 17,659 Direct -0.56% Disposed -16.2% (price as of 2026-10-02)
July 6, 2022 SNDX S 10b5-1 15,009 $21.07 $316,240 17,659 Direct -45.94% Disposed -16.5% (price as of 2026-10-02)
Dec. 20, 2021 SNDX S 10b5-1 16,000 $20.29 $324,640 17,659 Direct -47.54% Disposed -13.3% (price as of 2026-10-02)
Dec. 20, 2021 SNDX S 10b5-1 45,000 $20.29 $913,050 17,659 Direct -71.82% Disposed -13.3% (price as of 2026-10-02)
Dec. 17, 2021 SNDX S 10b5-1 1,676 $19.02 $31,878 17,659 Direct -8.67% Disposed -7.5% (price as of 2026-10-02)
Dec. 16, 2021 SNDX S 10b5-1 22,715 $19.08 $433,402 17,659 Direct -56.26% Disposed -7.8% (price as of 2026-10-02)
Dec. 13, 2021 SNDX S 10b5-1 2,045 $19.05 $38,957 17,659 Direct -10.38% Disposed -7.6% (price as of 2026-10-02)
Dec. 13, 2021 SNDX S 10b5-1 34,564 $19.05 $658,444 17,659 Direct -66.19% Disposed -7.6% (price as of 2026-10-02)
Oct. 26, 2021 SNDX S 10b5-1 16,296 $19.20 $312,883 17,659 Direct -47.99% Disposed -8.3% (price as of 2026-10-02)
Oct. 25, 2021 SNDX S 10b5-1 44,704 $19.13 $855,188 17,659 Direct -71.68% Disposed -8.0% (price as of 2026-10-02)
Sept. 27, 2021 SNDX S 10b5-1 24,437 $19.51 $476,766 17,659 Direct -58.05% Disposed -9.8% (price as of 2026-10-02)
Sept. 22, 2021 SNDX S 10b5-1 300 $19.02 $5,706 17,659 Direct -1.67% Disposed -7.5% (price as of 2026-10-02)
Sept. 21, 2021 SNDX S 10b5-1 4,808 $19.16 $92,121 17,659 Direct -21.40% Disposed -8.1% (price as of 2026-10-02)
Sept. 20, 2021 SNDX S 10b5-1 31,455 $19.24 $605,194 17,659 Direct -64.04% Disposed -8.5% (price as of 2026-10-02)
Sept. 14, 2021 SNDX S 10b5-1 44,349 $19.15 $849,283 17,659 Direct -71.52% Disposed -8.1% (price as of 2026-10-02)
Sept. 13, 2021 SNDX S 10b5-1 16,651 $19.02 $316,702 17,659 Direct -48.53% Disposed -7.5% (price as of 2026-10-02)

Showing latest 100 of 116 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
July 8, 2026 SNDX Stock Option (Right to buy) Common Stock (32,375) $6.38 Feb. 6, 2029 32,375 Acquired
March 24, 2026 PYXS Stock Option (Right to Buy) Common Stock (45,867) $1.36 March 24, 2036 45,867 Acquired
Feb. 4, 2026 SNDX Stock Options (Right to buy) Common Stock (440,000) $20.43 Feb. 4, 2036 440,000 Acquired
Sept. 8, 2025 SNDX Stock options (Right to buy) Common Stock (157,307) $10.90 Sept. 9, 2025 157,307 Acquired
March 31, 2025 PYXS Stock Option (Right to Buy) Common Stock (36,979) $0.98 March 31, 2035 36,979 Acquired
March 14, 2025 SNDX Stock options (Right to buy) Common Stock (6,074) $7.20 June 1, 2025 6,074 Acquired
March 4, 2025 SNDX Stock options (Right to buy) Common Stock (7,814) $7.20 June 1, 2025 7,814 Acquired
Feb. 5, 2025 SNDX Stock Options (Right to buy) Common Stock (364,000) $14.65 Feb. 5, 2035 364,000 Acquired
June 10, 2024 PYXS Stock Option (Right to Buy) Common Stock (70,683) $3.97 June 10, 2034 70,683 Acquired
Feb. 7, 2024 SNDX Stock Options (Right to buy) Common Stock (214,500) $22.28 Feb. 7, 2034 214,500 Acquired
Feb. 6, 2023 SNDX Stock Options (Right to buy) Common Stock (5,959) $6.38 Feb. 6, 2029 5,959 Disposed
Feb. 2, 2023 SNDX Stock Options (Right to buy) Common Stock (410,000) $28.55 Feb. 2, 2033 410,000 Acquired
Oct. 6, 2022 SNDX Stock Options (Right to buy) Common Stock (16,231) $8.77 Feb. 6, 2027 16,231 Disposed
Oct. 4, 2022 SNDX Stock Options (Right to buy) Common Stock (1,280) $8.77 Feb. 6, 2027 1,280 Disposed
Oct. 3, 2022 SNDX Stock Options (Right to buy) Common Stock (2,883) $8.77 Feb. 6, 2027 2,883 Disposed
Sept. 30, 2022 SNDX Stock Options (Right to buy) Common Stock (29,606) $8.77 Feb. 6, 2027 29,606 Disposed
July 25, 2022 SNDX Stock Options (Right to buy) Common Stock (19,764) $6.38 Feb. 6, 2029 19,764 Disposed
July 25, 2022 SNDX Stock Options (Right to buy) Common Stock (11,838) $6.38 Feb. 6, 2029 11,838 Disposed
July 7, 2022 SNDX Stock Options (Right to buy) Common Stock (100) $6.38 Feb. 6, 2029 100 Disposed
July 6, 2022 SNDX Stock Options (Right to buy) Common Stock (15,009) $6.38 Feb. 6, 2029 15,009 Disposed
Feb. 2, 2022 SNDX Stock Options (Right to buy) Common Stock (325,000) $15.79 Feb. 2, 2032 325,000 Acquired
Dec. 20, 2021 SNDX Stock Options (Right to buy) Common Stock (45,000) $8.77 Feb. 6, 2027 45,000 Disposed
Dec. 20, 2021 SNDX Stock Options (Right to buy) Common Stock (16,000) $6.38 Feb. 6, 2029 16,000 Disposed
Dec. 17, 2021 SNDX Stock Options (Right to buy) Common Stock (1,676) $6.38 Feb. 6, 2029 1,676 Disposed
Dec. 16, 2021 SNDX Stock Options (Right to buy) Common Stock (22,715) $6.38 Feb. 6, 2029 22,715 Disposed
Dec. 13, 2021 SNDX Stock Options (Right to buy) Common Stock (2,045) $7.20 June 1, 2025 2,045 Disposed
Dec. 13, 2021 SNDX Stock Options (Right to buy) Common Stock (34,564) $6.38 Feb. 6, 2029 34,564 Disposed
Oct. 26, 2021 SNDX Stock Options (Right to buy) Common Stock (16,296) $7.20 June 1, 2025 16,296 Disposed
Oct. 25, 2021 SNDX Stock Options (Right to buy) Common Stock (44,704) $7.20 June 1, 2025 44,704 Disposed
Sept. 27, 2021 SNDX Stock Options (Right to buy) Common Stock (24,437) $7.20 June 1, 2025 24,437 Disposed
Sept. 22, 2021 SNDX Stock Options (Right to buy) Common Stock (300) $7.20 June 1, 2025 300 Disposed
Sept. 21, 2021 SNDX Stock Options (Right to buy) Common Stock (4,808) $7.20 June 1, 2025 4,808 Disposed
Sept. 20, 2021 SNDX Stock Options (Right to buy) Common Stock (31,455) $7.20 June 1, 2025 31,455 Disposed
Sept. 14, 2021 SNDX Stock Options (Right to buy) Common Stock (44,349) $7.20 June 1, 2025 44,349 Disposed
Sept. 13, 2021 SNDX Stock Options (Right to buy) Common Stock (16,651) $7.20 June 1, 2025 16,651 Disposed
Feb. 3, 2021 SNDX Stock Option (Right to Buy) Common Stock (160,000) $21.36 Feb. 3, 2031 160,000 Acquired
Feb. 1, 2021 SNDX Stock Options (Right to buy) Common Stock (15,000) $7.20 June 1, 2025 15,000 Disposed
Dec. 1, 2020 SNDX Employee Stock Option (right to buy) Common Stock (15,000) $7.20 June 1, 2025 15,000 Disposed
Nov. 4, 2020 SNDX Stock Options (Right to buy) Common Stock (100,000) $7.20 June 1, 2025 100,000 Disposed
Feb. 12, 2020 SNDX Stock Option (Right to Buy) Common Stock (140,000) $9.47 Feb. 12, 2030 140,000 Acquired
July 4, 2019 SNDX Stock Option (Right to Buy) Common Stock (200,000) $9.15 July 4, 2029 200,000 Acquired
Feb. 6, 2019 SNDX Stock Option (Right to Buy) Common Stock (240,000) $6.38 Feb. 6, 2029 240,000 Acquired
March 1, 2018 SNDX Stock Option (Right to Buy) Common Stock (125,000) $9.40 March 1, 2028 125,000 Acquired
Feb. 6, 2017 SNDX Stock Option (Right to Buy) Common Stock (95,000) $8.77 Feb. 6, 2027 95,000 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
March 2, 2016 SNDX Employee Stock Option (right to buy)→ Common Stock (328,933) 328,933 Direct
March 2, 2016 SNDX Employee Stock Option (right to buy)→ Common Stock (157,307) 157,307 Direct

Compensation (DEF 14A)

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

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $754,300 · $2,021,965 $3,454,360 $848,588 · $10,000 $7,089,213
2024 $715,000 · $3,258,450 $3,208,211 $515,515 · $10,000 $7,707,176
2023 $678,400 · · $8,023,803 $417,216 · $8,000 $9,127,419

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