Jeffrey B Landau

Insider

First SEC filing: March 28, 2022 · Latest: March 28, 2022

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Insider at

0 buys (P) 0 sells (S) Net: $0 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

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 16, 2023	CTMX	S	1,477	$1.98	$2,924	69,248 Direct	-2.09%	Disposed	70.7% (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.

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

Date	Ticker	Security	Shares	Ownership
March 28, 2022	CTMX	Common Stock	4,500	Indirect
March 28, 2022	CTMX	Common Stock	3,180	Indirect
March 28, 2022	CTMX	Common Stock	—	Direct
March 28, 2022	CTMX	Stock Option (Right to Buy)→ Common Stock (275,000)	275,000	Direct
March 28, 2022	CTMX	Stock Option (Right to Buy)→ Common Stock (30,000)	30,000	Direct
March 28, 2022	CTMX	Performance Stock Units (PSUs)→ Common Stock (22,500)	22,500	Direct
March 28, 2022	CTMX	Stock Option (Right to Buy)→ Common Stock (97,644)	97,644	Direct

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

Chief Business Officer

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$415,692	—	$297,850	$169,270	$160,000	—	$5,000	$1,047,812
2022	$393,333	—	$102,987	$376,233	$183,350	—	$5,000	$1,060,903

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