Marcia Belvin, SVP, Chief Scientific Officer at CytomX Therapeutics, Inc. (CTMX), sold 62,984 shares at $6.42 ($404K) on 2026-03-17, disclosed to the SEC on 2026-03-19.
Seasonal sale ($404k) by SVP, Chief Scientific Officer — this insider has traded CTMX in March in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $6.42 | 31,492 | $202K | 50.0% |
| 2 | $6.42 | 31,492 | $202K | 50.0% |
| Total | $6.42 avg | 62,984 | $404K | 100% |
| Filing → |
| CTMX | SELL | 2024-08-22 | $5K | — | Filing → |
| CTMX | SELL | 2024-03-21 | $27K | — | Filing → |
| CTMX | SELL | 2023-12-22 | $6K | — | Filing → |