Form4insider filings, from the source

Company · CIK 0001501989 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

CytomX Therapeutics, Inc. · CTMX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4,953 · 1net −$4,953
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 3, 2026 AForm 4 →Aug 5, 7:33 pm EDTAlejandra CarvajalChief Legal Officer100,000——100,000—
Jun 15, 2026 SForm 4 →Jun 17, 6:38 pm EDTChristopher OgdenChief Financial Officer1,624$3.05$4,953295,324−0.55%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 3, 2026 AForm 4 →Aug 5, 7:33 pm EDTAlejandra CarvajalChief Legal Officer450,000——450,000—
Jul 24, 2026 AForm 4 →Jul 30, 5:07 pm EDTCharles S. FuchsDirector118,000——118,000— late
Jun 17, 2026 AForm 4 →Jun 22, 4:53 pm EDTZhen SuDirector59,000——59,000—
Jun 17, 2026 AForm 4 →Jun 22, 4:52 pm EDTMatthew P. YoungDirector59,000——59,000—
Jun 17, 2026 AForm 4 →Jun 22, 4:50 pm EDTMani MohindruDirector59,000——59,000—
Jun 17, 2026 AForm 4 →Jun 22, 4:49 pm EDTJames R MeyersDirector59,000——59,000—
Jun 17, 2026 AForm 4 →Jun 22, 4:48 pm EDTHalley E GilbertDirector59,000——59,000—
Jun 17, 2026 AForm 4 →Jun 22, 4:47 pm EDTAlan AshworthDirector59,000——59,000—
Jun 17, 2026 AForm 4 →Jun 22, 4:45 pm EDTElaine V JonesDirector59,000——59,000—