Yekaterina Chudnovsky

Insider Activist

First SEC filing: Aug. 23, 2023 · Latest: June 4, 2025

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 3 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
Dec. 28, 2023	ELTX	A	4,100	—	—	4,100 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 22, 2023	IMMX	A	16,670	—	—	16,670 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 22, 2023	IMMX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)

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
Dec. 28, 2023	ELTX	Stock Option (right to buy)	Common Stock (4,100)	$8.26	Dec. 28, 2033	4,100	Acquired
Aug. 22, 2023	IMMX	Stock Option (Right to Buy)	Common Stock (16,670)	$1.80	Aug. 22, 2033	16,670	Acquired
Aug. 22, 2023	IMMX	Stock Option (Right to Buy)	Common Stock (20,000)	$1.80	Aug. 22, 2033	20,000	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
Aug. 23, 2023	IMMX	Common Stock	3,241,076	Indirect
Aug. 23, 2023	IMMX	Pre-Funded Common Stock Purchase Warrant→ Common Stock (1,913,661)	1,913,661	Indirect
June 12, 2023	ELTX	Common Stock	702,639	Indirect
June 12, 2023	ELTX	Stock Option (right to buy) [F1]→ Common Stock	—	Direct