4/A: CytomX Therapeutics CEO Sells Shares
Insider Transaction (Form 4/A)
Sean A. Mccarthy, CEO and a Director of CytomX Therapeutics, Inc., sold 101,793 shares of common stock on November 6, 2025 for $4.54 per share.
Summary
- Option exercise/conversion: acquired 101,793 Common Stock at $1.59 ($161,851) on November 6, 2025; holds 1,191,477 after (Direct).
- Open-market sale: disposed of 101,793 Common Stock at $4.54 ($461,906) on November 6, 2025; holds 1,089,684 after (Direct).
- Option exercise/conversion: disposed of 101,793 Stock Option (Right to Buy) on November 6, 2025; holds 348,207 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $461,906 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Sean A. Mccarthy — Director, Officer (CEO)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2025-11-06 | Option exercise/conversion | Common Stock | 101,793 | $2 | $161.9K | 1,191,477 |
| 2025-11-06 | Open-market sale | Common Stock | 101,793 | $5 | $461.9K | 1,089,684 |
| 2025-11-06 | Option exercise/conversion | Stock Option (Right to Buy) | 101,793 | — | — | 348,207 |
Key Dates
| Date | Description |
|---|---|
| 2025-11-06 | Option exercise/conversion (101,793 shares) |
| 2025-11-06 | Open-market sale (101,793 shares) |
| 2025-11-06 | Option exercise/conversion (101,793 shares) |
Keywords
insider transaction, Form 4/A, CTMX, CytomX Therapeutics, Inc., bearish, Sean A. Mccarthy
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