Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 17 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

17 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 2, 2025 ANTX P 10,000 $1.07 $10,700 256,380 Direct +4.06% Acquired 433.6% (price as of 2026-10-02)
Nov. 18, 2024 ANTX P 50,000 $1.00 $50,000 1,065,766 Indirect +4.92% Acquired 471.0% (price as of 2026-10-02)
Jan. 2, 2024 ANTX S 10b5-1 2,777 $20.09 $55,790 2,130 Direct -56.59% Disposed -71.6% (price as of 2026-10-02)
May 15, 2023 ANTX P 10,000 $5.38 $53,800 1,015,766 Indirect +0.99% Acquired 6.1% (price as of 2026-10-02)
Nov. 14, 2022 ANTX S 10b5-1 23 $15.04 $346 4,907 Direct -0.47% Disposed -62.0% (price as of 2026-10-02)
Nov. 10, 2022 ANTX S 10b5-1 4,413 $15.32 $67,607 4,930 Direct -47.23% Disposed -62.7% (price as of 2026-10-02)
Nov. 9, 2022 ANTX S 10b5-1 10,111 $15.61 $157,833 4,907 Direct -67.33% Disposed -63.4% (price as of 2026-10-02)
Nov. 8, 2022 ANTX S 10b5-1 1,255 $16.38 $20,557 15,018 Direct -7.71% Disposed -65.1% (price as of 2026-10-02)
Nov. 8, 2022 ANTX S 10b5-1 5,800 $15.41 $89,378 16,273 Direct -26.28% Disposed -62.9% (price as of 2026-10-02)
Nov. 7, 2022 ANTX S 10b5-1 2,036 $16.72 $34,042 4,907 Direct -29.32% Disposed -65.8% (price as of 2026-10-02)
Nov. 7, 2022 ANTX S 10b5-1 10,167 $15.90 $161,655 6,943 Direct -59.42% Disposed -64.1% (price as of 2026-10-02)
Nov. 4, 2022 ANTX S 10b5-1 8,828 $15.80 $139,482 17,110 Direct -34.04% Disposed -63.9% (price as of 2026-10-02)
Nov. 3, 2022 ANTX S 10b5-1 3,083 $16.02 $49,390 25,938 Direct -10.62% Disposed -64.4% (price as of 2026-10-02)
Nov. 3, 2022 ANTX S 10b5-1 11,082 $15.67 $173,655 29,021 Direct -27.63% Disposed -63.6% (price as of 2026-10-02)
Nov. 2, 2022 ANTX S 10b5-1 1,544 $15.07 $23,268 4,907 Direct -23.93% Disposed -62.1% (price as of 2026-10-02)
Oct. 31, 2022 ANTX S 10b5-1 2,688 $15.39 $41,368 6,451 Direct -29.41% Disposed -62.9% (price as of 2026-10-02)
Oct. 28, 2022 ANTX S 10b5-1 1,683 $15.09 $25,396 4,907 Direct -25.54% Disposed -62.2% (price as of 2026-10-02)
Oct. 27, 2022 ANTX S 10b5-1 924 $15.36 $14,193 6,590 Direct -12.30% Disposed -62.8% (price as of 2026-10-02)
Oct. 26, 2022 ANTX S 10b5-1 1,678 $15.10 $25,338 4,907 Direct -25.48% Disposed -62.2% (price as of 2026-10-02)
Oct. 25, 2022 ANTX S 10b5-1 534 $16.20 $8,651 6,585 Direct -7.50% Disposed -64.8% (price as of 2026-10-02)
Oct. 25, 2022 ANTX S 10b5-1 4,272 $15.69 $67,028 7,119 Direct -37.50% Disposed -63.6% (price as of 2026-10-02)
Oct. 24, 2022 ANTX S 10b5-1 2,866 $16.17 $46,343 11,391 Direct -20.10% Disposed -64.7% (price as of 2026-10-02)
Oct. 21, 2022 ANTX S 10b5-1 2,350 $16.69 $39,222 4,907 Direct -32.38% Disposed -65.8% (price as of 2026-10-02)
Oct. 21, 2022 ANTX S 10b5-1 11,601 $16.29 $188,980 7,257 Direct -61.52% Disposed -64.9% (price as of 2026-10-02)
Oct. 20, 2022 ANTX S 10b5-1 31 $17.15 $532 18,858 Direct -0.16% Disposed -66.7% (price as of 2026-10-02)
Oct. 20, 2022 ANTX S 10b5-1 7,262 $16.68 $121,130 18,889 Direct -27.77% Disposed -65.8% (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 (267,650) $11.99 Feb. 22, 2033 267,650 Disposed
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (267,650) · Feb. 22, 2033 267,650 Acquired
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (225,000) $17.28 May 11, 2032 225,000 Disposed
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (225,000) · May 11, 2032 225,000 Acquired
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (249,999) $6.60 April 29, 2031 249,999 Disposed
March 19, 2026 ANTX Stock Option (right to buy) Common Stock (249,999) · April 29, 2031 249,999 Acquired
Feb. 20, 2026 ANTX Stock Option (right to buy) Common Stock (224,500) $1.04 Feb. 19, 2036 224,500 Acquired
Feb. 26, 2025 ANTX Stock Option (right to buy) Common Stock (290,500) $1.13 Feb. 25, 2035 290,500 Acquired
March 15, 2024 ANTX Stock Option (right to buy) Common Stock (198,000) $3.00 March 14, 2034 198,000 Acquired
Feb. 23, 2023 ANTX Stock Option (right to buy) Common Stock (267,650) $11.99 Feb. 22, 2033 267,650 Acquired
May 12, 2022 ANTX Stock Option (right to buy) Common Stock (225,000) $17.28 May 11, 2032 225,000 Acquired
March 29, 2022 ANTX Series A Convertible Preferred Stock Common Stock (4,907) · · 4,907 Disposed

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

Initial ownership (Form 3) 4 holdings

07

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

DateTickerSecuritySharesOwnership
March 24, 2022 ANTX Common Stock 1,099,997 Indirect
March 24, 2022 ANTX Common Stock 194,116 Indirect
March 24, 2022 ANTX Stock Option (right to buy)→ Common Stock (249,999) 249,999 Direct
March 24, 2022 ANTX Series A Convertible Preferred Stock→ Common Stock (4,907) 4,907 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
2025 $603,750 · $164,133 $275,539 $332,063 · $7,500 $1,382,985
2024 $603,750 · $297,000 $508,820 $249,047 · $7,500 $1,666,117
2023 $575,000 · · $2,422,848 $345,000 · · $3,342,848

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