Gilbert Lynn Marks

Insider

First SEC filing: March 24, 2022 · Latest: March 24, 2022

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Insider at

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.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 10, 2026	ANTX	A	2,789	—	—	81,873 Direct	+3.53%	Acquired	(price as of 2026-08-20)
April 10, 2026	ANTX	A	3,775	—	—	79,084 Direct	+5.01%	Acquired	(price as of 2026-08-20)
March 19, 2026	ANTX	D	23,742	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 19, 2026	ANTX	A	23,742	—	—	23,742 Direct	—	Acquired	(price as of 2026-08-20)
March 19, 2026	ANTX	D	10,362	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 19, 2026	ANTX	A	10,362	—	—	10,362 Direct	—	Acquired	(price as of 2026-08-20)
March 19, 2026	ANTX	D	10,665	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 19, 2026	ANTX	A	10,665	—	—	10,665 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 20, 2026	ANTX	A	20,400	—	—	20,400 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 12, 2026	ANTX	A	11,560	—	—	75,309 Direct	+18.13%	Acquired	(price as of 2026-08-20)
Oct. 10, 2025	ANTX	A	10,367	—	—	63,749 Direct	+19.42%	Acquired	(price as of 2026-08-20)
July 10, 2025	ANTX	A	11,875	—	—	53,382 Direct	+28.61%	Acquired	(price as of 2026-08-20)
May 22, 2025	ANTX	A	19,111	—	—	19,111 Direct	—	Acquired	(price as of 2026-08-20)
April 10, 2025	ANTX	A	9,705	—	—	41,507 Direct	+30.52%	Acquired	(price as of 2026-08-20)
Dec. 19, 2024	ANTX	A	8,972	—	—	31,802 Direct	+39.30%	Acquired	(price as of 2026-08-20)
June 19, 2024	ANTX	A	64,503	—	—	64,503 Direct	—	Acquired	(price as of 2026-08-20)
June 7, 2023	ANTX	A	23,742	—	—	23,742 Direct	—	Acquired	(price as of 2026-08-20)
May 12, 2022	ANTX	A	10,362	—	—	10,362 Direct	—	Acquired	(price as of 2026-08-20)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/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).

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

Date	Ticker	Security	Shares	Ownership
March 24, 2022	ANTX	Common Stock	—	Direct
March 24, 2022	ANTX	Stock Option (right to buy)→ Common Stock (10,665)	10,665	Direct