Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 6 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
June 17, 2026 CTMX A 59,000 · · 59,000 Direct · Acquired (price as of 2026-10-05)
June 11, 2025 CTMX A 38,000 · · 38,000 Direct · Acquired (price as of 2026-10-05)
May 15, 2024 CTMX A 38,000 · · 38,000 Direct · Acquired (price as of 2026-10-05)
June 14, 2023 CTMX A 25,000 · · 25,000 Direct · Acquired (price as of 2026-10-05)
June 15, 2022 CTMX A 25,000 · · 25,000 Direct · Acquired (price as of 2026-10-05)
Sept. 29, 2021 CTMX A 40,000 · · 40,000 Direct · Acquired (price as of 2026-10-05)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 17, 2026 CTMX Stock Option (Right to Buy) Common Stock (59,000) $2.96 June 16, 2036 59,000 Acquired
June 11, 2025 CTMX Stock Option (Right to Buy) Common Stock (38,000) $2.82 June 10, 2035 38,000 Acquired
May 15, 2024 CTMX Stock Option (Right to Buy) Common Stock (38,000) $1.96 May 14, 2034 38,000 Acquired
June 14, 2023 CTMX Stock Option (Right to Buy) Common Stock (25,000) $1.57 June 13, 2033 25,000 Acquired
June 15, 2022 CTMX Stock Option (Right to Buy) Common Stock (25,000) $1.72 June 14, 2032 25,000 Acquired
Sept. 29, 2021 CTMX Stock Option (Right to Buy) Common Stock (40,000) $4.93 Sept. 28, 2031 40,000 Acquired

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