Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 18 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 10, 2026 ANTX A 2,789 · · 81,873 Direct +3.53% Acquired (price as of 2026-10-02)
April 10, 2026 ANTX A 3,775 · · 79,084 Direct +5.01% Acquired (price as of 2026-10-02)
March 19, 2026 ANTX D 23,742 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
March 19, 2026 ANTX A 23,742 · · 23,742 Direct · Acquired (price as of 2026-10-02)
March 19, 2026 ANTX D 10,362 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
March 19, 2026 ANTX A 10,362 · · 10,362 Direct · Acquired (price as of 2026-10-02)
March 19, 2026 ANTX D 10,665 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
March 19, 2026 ANTX A 10,665 · · 10,665 Direct · Acquired (price as of 2026-10-02)
Feb. 20, 2026 ANTX A 20,400 · · 20,400 Direct · Acquired (price as of 2026-10-02)
Jan. 12, 2026 ANTX A 11,560 · · 75,309 Direct +18.13% Acquired (price as of 2026-10-02)
Oct. 10, 2025 ANTX A 10,367 · · 63,749 Direct +19.42% Acquired (price as of 2026-10-02)
July 10, 2025 ANTX A 11,875 · · 53,382 Direct +28.61% Acquired (price as of 2026-10-02)
May 22, 2025 ANTX A 19,111 · · 19,111 Direct · Acquired (price as of 2026-10-02)
April 10, 2025 ANTX A 9,705 · · 41,507 Direct +30.52% Acquired (price as of 2026-10-02)
Dec. 19, 2024 ANTX A 8,972 · · 31,802 Direct +39.30% Acquired (price as of 2026-10-02)
June 19, 2024 ANTX A 64,503 · · 64,503 Direct · Acquired (price as of 2026-10-02)
June 7, 2023 ANTX A 23,742 · · 23,742 Direct · Acquired (price as of 2026-10-02)
May 12, 2022 ANTX A 10,362 · · 10,362 Direct · Acquired (price as of 2026-10-02)

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
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (23,742) $5.91 June 6, 2033 23,742 Disposed
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (23,742) · June 6, 2033 23,742 Acquired
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (10,362) $17.28 May 11, 2032 10,362 Disposed
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (10,362) · May 11, 2032 10,362 Acquired
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (10,665) $6.60 April 29, 2031 10,665 Disposed
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (10,665) · April 29, 2031 10,665 Acquired
Feb. 20, 2026 ANTX Stock Option (Right to Buy) Common Stock (20,400) $1.04 Feb. 19, 2036 20,400 Acquired
May 22, 2025 ANTX Stock Option (Right to Buy) Common Stock (19,111) $1.19 May 21, 2035 19,111 Acquired
June 19, 2024 ANTX Stock Option (Right to Buy) Common Stock (64,503) $2.00 June 18, 2034 64,503 Acquired
June 7, 2023 ANTX Stock Option (right to buy) Common Stock (23,742) $5.91 June 6, 2033 23,742 Acquired
May 12, 2022 ANTX Stock Option (right to buy) Common Stock (10,362) $17.28 May 11, 2032 10,362 Acquired

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

Initial ownership (Form 3) 2 holdings

07

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

DateTickerSecuritySharesOwnership
March 24, 2022 ANTX Common Stock · Direct
March 24, 2022 ANTX Stock Option (right to buy)→ Common Stock (10,665) 10,665 Direct