Insider at

04

Insider transactions

05
0 buys (P) 20 sells (S) Net: $-2,572,734 + 45 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

45 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 21, 2026 ARDX S 15,009 $3.86 $57,935 1,663,357 Direct -0.89% Disposed -13.5% (price as of 2026-10-02)
Aug. 21, 2026 ARDX S 15,976 $3.86 $61,667 1,647,381 Direct -0.96% Disposed -13.5% (price as of 2026-10-02)
Aug. 21, 2026 ARDX S 8,411 $3.86 $32,466 1,638,970 Direct -0.51% Disposed -13.5% (price as of 2026-10-02)
Aug. 21, 2026 ARDX S 19,178 $3.86 $74,027 1,619,792 Direct -1.17% Disposed -13.5% (price as of 2026-10-02)
July 15, 2026 ARDX S 10b5-1 41,668 $5.06 $210,840 1,678,366 Direct -2.42% Disposed -34.0% (price as of 2026-10-02)
June 15, 2026 ARDX S 10b5-1 41,666 $5.67 $236,246 1,699,200 Direct -2.39% Disposed -41.1% (price as of 2026-10-02)
May 21, 2026 ARDX S 14,933 $6.27 $93,630 1,759,848 Direct -0.84% Disposed -46.7% (price as of 2026-10-02)
May 21, 2026 ARDX S 7,861 $6.27 $49,288 1,751,987 Direct -0.45% Disposed -46.7% (price as of 2026-10-02)
May 21, 2026 ARDX S 17,926 $6.27 $112,396 1,734,061 Direct -1.02% Disposed -46.7% (price as of 2026-10-02)
May 21, 2026 ARDX S 14,028 $6.27 $87,956 1,720,033 Direct -0.81% Disposed -46.7% (price as of 2026-10-02)
May 15, 2026 ARDX S 10b5-1 41,666 $6.28 $261,662 1,774,781 Direct -2.29% Disposed -46.8% (price as of 2026-10-02)
April 15, 2026 ARDX S 10b5-1 41,668 $6.29 $262,092 1,795,614 Direct -2.27% Disposed -46.9% (price as of 2026-10-02)
March 16, 2026 ARDX S 10b5-1 41,666 $5.84 $243,329 1,816,448 Direct -2.24% Disposed -42.8% (price as of 2026-10-02)
Feb. 24, 2026 ARDX S 10b5-1 41,666 $6.26 $260,829 1,836,153 Direct -2.22% Disposed -46.6% (price as of 2026-10-02)
Feb. 20, 2026 ARDX S 40,401 $5.86 $236,750 1,862,567 Direct -2.12% Disposed -43.0% (price as of 2026-10-02)
Feb. 20, 2026 ARDX S 5,576 $5.71 $31,839 1,856,991 Direct -0.30% Disposed -41.5% (price as of 2026-10-02)
Feb. 20, 2026 ARDX S 2 $5.70 $11 1,856,989 Direct 0.00% Disposed -41.4% (price as of 2026-10-02)
Feb. 20, 2026 ARDX S 1 $5.70 $6 1,856,988 Direct 0.00% Disposed -41.4% (price as of 2026-10-02)
Feb. 20, 2026 ARDX S 2 $5.70 $11 1,856,986 Direct 0.00% Disposed -41.4% (price as of 2026-10-02)
Nov. 21, 2025 ARDX S 46,887 $5.54 $259,754 1,455,363 Direct -3.12% Disposed -39.7% (price as of 2026-10-02)
Aug. 21, 2025 ARDX S 45,687 $5.93 $270,924 1,502,250 Direct -2.95% Disposed -43.7% (price as of 2026-10-02)
May 20, 2025 ARDX S 46,817 $4.08 $191,013 1,547,937 Direct -2.94% Disposed -18.1% (price as of 2026-10-02)
May 2, 2025 ARDX S 10b5-1 41,666 $4.25 $177,080 1,594,754 Direct -2.55% Disposed -21.4% (price as of 2026-10-02)
April 4, 2025 ARDX S 10b5-1 41,666 $4.59 $191,247 1,615,587 Direct -2.51% Disposed -27.2% (price as of 2026-10-02)
March 7, 2025 ARDX S 10b5-1 41,668 $5.36 $223,340 1,635,138 Direct -2.48% Disposed -37.7% (price as of 2026-10-02)
Feb. 20, 2025 ARDX S 22,964 $5.62 $129,058 1,085,755 Direct -2.07% Disposed -40.6% (price as of 2026-10-02)
Jan. 31, 2025 ARDX S 10b5-1 41,666 $5.36 $223,330 1,108,719 Direct -3.62% Disposed -37.7% (price as of 2026-10-02)
Jan. 7, 2025 ARDX S 10b5-1 41,666 $5.31 $221,246 1,129,552 Direct -3.56% Disposed -37.1% (price as of 2026-10-02)
Dec. 10, 2024 ARDX S 10b5-1 25,000 $5.26 $131,500 1,150,385 Direct -2.13% Disposed -36.5% (price as of 2026-10-02)
Nov. 25, 2024 ARDX S 10b5-1 25,000 $5.38 $134,500 1,150,385 Direct -2.13% Disposed -37.9% (price as of 2026-10-02)
Nov. 20, 2024 ARDX S 31,980 $4.79 $153,184 1,175,385 Direct -2.65% Disposed -30.3% (price as of 2026-10-02)
Nov. 11, 2024 ARDX S 10b5-1 2,743 $4.90 $13,441 1,207,365 Direct -0.23% Disposed -31.8% (price as of 2026-10-02)
Oct. 28, 2024 ARDX S 10b5-1 25,000 $5.91 $147,750 1,210,108 Direct -2.02% Disposed -43.5% (price as of 2026-10-02)
Oct. 11, 2024 ARDX S 10b5-1 7,500 $6.01 $45,075 1,210,108 Direct -0.62% Disposed -44.4% (price as of 2026-10-02)
Sept. 26, 2024 ARDX S 10b5-1 3,000 $6.07 $18,210 1,217,608 Direct -0.25% Disposed -45.0% (price as of 2026-10-02)
Sept. 11, 2024 ARDX S 10b5-1 35,000 $5.61 $196,350 1,220,608 Direct -2.79% Disposed -40.5% (price as of 2026-10-02)
Aug. 27, 2024 ARDX S 10b5-1 7,500 $6.22 $46,650 1,219,509 Direct -0.61% Disposed -46.3% (price as of 2026-10-02)
Aug. 20, 2024 ARDX S 32,225 $5.86 $188,838 1,227,009 Direct -2.56% Disposed -43.0% (price as of 2026-10-02)
Aug. 12, 2024 ARDX S 10b5-1 1,229 $5.71 $7,018 1,259,234 Direct -0.10% Disposed -41.5% (price as of 2026-10-02)
July 29, 2024 ARDX S 10b5-1 30,000 $5.64 $169,200 1,260,463 Direct -2.32% Disposed -40.8% (price as of 2026-10-02)
July 15, 2024 ARDX S 10b5-1 7,500 $5.97 $44,775 1,260,463 Direct -0.59% Disposed -44.1% (price as of 2026-10-02)
June 28, 2024 ARDX S 10b5-1 2,310 $6.59 $15,223 1,267,963 Direct -0.18% Disposed -49.3% (price as of 2026-10-02)
June 13, 2024 ARDX S 10b5-1 35,000 $6.65 $232,750 1,270,273 Direct -2.68% Disposed -49.8% (price as of 2026-10-02)
May 29, 2024 ARDX S 10b5-1 7,500 $6.72 $50,400 1,270,273 Direct -0.59% Disposed -50.3% (price as of 2026-10-02)
May 21, 2024 ARDX S 31,484 $7.81 $245,890 1,277,773 Direct -2.40% Disposed -57.2% (price as of 2026-10-02)
May 14, 2024 ARDX S 10b5-1 3,000 $7.99 $23,970 1,307,933 Direct -0.23% Disposed -58.2% (price as of 2026-10-02)
April 29, 2024 ARDX S 10b5-1 30,000 $6.40 $192,000 1,310,933 Direct -2.24% Disposed -47.8% (price as of 2026-10-02)
April 15, 2024 ARDX S 10b5-1 7,500 $7.06 $52,950 1,310,933 Direct -0.57% Disposed -52.7% (price as of 2026-10-02)
April 1, 2024 ARDX S 10b5-1 1,518 $7.31 $11,097 1,318,433 Direct -0.12% Disposed -54.3% (price as of 2026-10-02)
Feb. 20, 2024 ARDX S 22,917 $8.75 $200,524 1,319,951 Direct -1.71% Disposed -61.8% (price as of 2026-10-02)
Nov. 20, 2023 ARDX S 11,368 $4.36 $49,564 867,868 Direct -1.29% Disposed -23.4% (price as of 2026-10-02)
Aug. 21, 2023 ARDX S 11,419 $3.55 $40,537 876,236 Direct -1.29% Disposed -5.9% (price as of 2026-10-02)
May 23, 2023 ARDX S 11,357 $3.65 $41,453 887,655 Direct -1.26% Disposed -8.5% (price as of 2026-10-02)
Feb. 21, 2023 ARDX S 13,449 $3.00 $40,347 896,012 Direct -1.48% Disposed 11.3% (price as of 2026-10-02)
Nov. 22, 2022 ARDX S 162 $1.94 $314 665,518 Direct -0.02% Disposed 72.2% (price as of 2026-10-02)

Showing latest 100 of 162 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
July 15, 2026 ARDX Stock Option (Right to Buy) Common Stock (20,834) $0.99 Jan. 6, 2032 20,834 Disposed
June 15, 2026 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
May 15, 2026 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
April 15, 2026 ARDX Stock Option (Right to Buy) Common Stock (20,834) $0.99 Jan. 6, 2032 20,834 Disposed
March 16, 2026 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
Feb. 24, 2026 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
Jan. 27, 2026 TPST Stock Option (right to buy) Common Stock (1,230) $2.94 Jan. 26, 2036 1,230 Acquired
Jan. 23, 2026 ARDX Stock Option (Right to Buy) Common Stock (669,330) $7.77 Jan. 23, 2036 669,330 Acquired
May 2, 2025 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
April 4, 2025 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
March 7, 2025 ARDX Stock Option (Right to Buy) Common Stock (20,834) $0.99 Jan. 6, 2032 20,834 Disposed
Feb. 25, 2025 ARDX Stock Option (Right to Buy) Common Stock (855,326) $5.18 Feb. 25, 2035 855,326 Acquired
Jan. 31, 2025 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
Jan. 7, 2025 ARDX Stock Option (Right to Buy) Common Stock (20,833) $0.99 Jan. 6, 2032 20,833 Disposed
Dec. 10, 2024 ARDX Stock Option (Right to Buy) Common Stock (25,000) $0.99 Jan. 6, 2032 25,000 Disposed
Oct. 28, 2024 ARDX Stock Option (Right to Buy) Common Stock (25,000) $0.99 Jan. 6, 2032 25,000 Disposed
Sept. 11, 2024 ARDX Stock Option (Right to Buy) Common Stock (35,000) $0.99 Jan. 6, 2032 35,000 Disposed
July 29, 2024 ARDX Stock Option (Right to Buy) Common Stock (30,000) $0.99 Jan. 6, 2032 30,000 Disposed
June 13, 2024 ARDX Stock Option (Right to Buy) Common Stock (35,000) $0.99 Jan. 6, 2032 35,000 Disposed
June 13, 2024 TPST Stock Option (right to buy) Common Stock (16,000) $3.03 June 12, 2034 16,000 Acquired
April 29, 2024 ARDX Stock Option (Right to Buy) Common Stock (30,000) $0.99 Jan. 6, 2032 30,000 Disposed
Jan. 16, 2024 ARDX Stock Option (Right to Buy) Common Stock (605,904) $8.78 Jan. 16, 2034 605,904 Acquired
June 15, 2023 TPST Stock Option (right to buy) Common Stock (8,200) $1.42 June 14, 2033 8,200 Acquired
Jan. 5, 2023 ARDX Stock Option (Right to Buy) Common Stock (1,124,000) $2.73 Jan. 5, 2033 1,124,000 Acquired
June 17, 2022 TPST Stock Option (Right to Buy) Common Stock (3,500) $2.08 June 16, 2032 3,500 Acquired
Jan. 6, 2022 ARDX Stock Option (Right to Buy) Common Stock (700,000) $0.99 Jan. 6, 2032 700,000 Acquired
Sept. 21, 2021 TPST Stock Option (Right to Buy) Common Stock (6,635) $15.15 Sept. 20, 2031 6,635 Acquired
Aug. 3, 2021 ARDX Stock Option (Right to Buy) Common Stock (267,892) $0.54 Aug. 11, 2021 267,892 Disposed
June 25, 2021 TPST Stock Option (Right to Buy) Common Stock (16,784) $4.97 Dec. 18, 2028 16,784 Acquired
June 25, 2021 TPST Stock Option (Right to Buy) Common Stock (9,660) $5.90 March 29, 2030 9,660 Acquired
June 25, 2021 TPST Stock Option (Right to Buy) Common Stock (4,830) $10.25 March 9, 2031 4,830 Acquired
Jan. 5, 2021 ARDX Stock Option (Right to Buy) Common Stock (517,959) $6.35 Jan. 5, 2031 517,959 Acquired
March 2, 2020 ARDX Stock Option (Right to Buy) Common Stock (11,123) $1.08 Oct. 26, 2020 11,123 Disposed
Feb. 5, 2020 ARDX Stock Option (Right to Buy) Common Stock (25,000) $1.08 Oct. 26, 2020 25,000 Disposed
Jan. 9, 2020 ARDX Stock Option Common Stock (557,460) $7.60 Jan. 9, 2030 557,460 Acquired
Jan. 17, 2019 ARDX Stock Option Common Stock (455,000) $2.32 Jan. 17, 2029 455,000 Acquired
July 26, 2018 ARDX Stock Option (Right to Buy) Common Stock (185,000) $4.30 July 26, 2028 185,000 Acquired
Jan. 16, 2018 ARDX Stock Option (Right to Buy) Common Stock (390,348) $7.10 Jan. 16, 2028 390,348 Acquired
Aug. 9, 2017 ARDX Stock Option (Right to Buy) Common Stock (79,535) $4.70 Aug. 9, 2027 79,535 Acquired
Jan. 19, 2017 ARDX Stock Option (Right to Buy) Common Stock (318,141) $13.90 Jan. 19, 2027 318,141 Acquired
Jan. 15, 2016 ARDX Stock Option (Right to Buy) Common Stock (301,258) $10.55 Jan. 15, 2026 301,258 Acquired
Jan. 6, 2015 ARDX Stock Option (Right to Buy) Common Stock (75,000) $23.02 Jan. 6, 2025 75,000 Acquired

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
June 18, 2014 ARDX Common Stock · Direct
June 18, 2014 ARDX Stock Option (Right to buy)→ Common Stock · Direct
June 18, 2014 ARDX Stock Option (Right to buy)→ Common Stock · Direct

Compensation (DEF 14A)

08

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

ARDX

CEO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $797,000 · $2,953,724 $3,413,948 $627,638 · $3,861 $7,796,171
2024 $770,000 · $4,170,500 $4,164,621 $495,880 · $5,164 $9,606,165
2023 $700,000 $330,000 $687,500 $2,395,694 · · $4,950 $4,118,144

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