McCarthy Sean A. (CIK 1654058) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-19). Recent activity: Sell CTMX (118,969 shares), Buy CTMX (210,000 shares), Sell CTMX (101,793 shares), Buy CTMX (150,000 shares), Sell CTMX (55,511 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-19 | CytomX Therapeutics, Inc. (CTMX) | CEO | Sell | 118,969 | $763,781 |
| 2026-02-04 | CytomX Therapeutics, Inc. (CTMX) | CEO | Buy | 210,000 | $0 |
| 2025-11-10 | CytomX Therapeutics, Inc. (CTMX) | CEO | Sell | 101,793 | $462,140 |
| 2025-06-17 | CytomX Therapeutics, Inc. (CTMX) | CEO | Buy | 150,000 | $0 |
| 2025-06-17 | CytomX Therapeutics, Inc. (CTMX) | CEO | Sell | 55,511 | $149,325 |
| 2025-03-20 | CytomX Therapeutics, Inc. (CTMX) | CEO | Sell | 37,656 | $22,594 |
| 2025-02-06 | CytomX Therapeutics, Inc. (CTMX) | CEO | Buy | 180,000 | $0 |
| 2025-02-06 | CytomX Therapeutics, Inc. (CTMX) | CEO | Buy | 195,000 | $0 |
Source: SEC Form 4 filings · as of 2026-03-19