Insiders / Belvin Marcia
Belvin Marcia
CIK 1970752personinsider
Companies
1
First seen
Feb 4, 2026
Last activity
Mar 19, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| CytomX Therapeutics, Inc. · CTMX | 300,760 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| CytomX Therapeutics, Inc. | Common Stock | 300,760 |
| CytomX Therapeutics, Inc. | Stock Option (Right to Buy)Derivative | 250,000 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 17, 2026 | Sell | CTMX CytomX Therapeutics, Inc. Common Stock | $202.3K | -31K -9.48% | 300,760 0.14% of shares | medium |
| Feb 2, 2026 | Grant | CTMX CytomX Therapeutics, Inc. Common Stock | $0 | +60K +22.04% | 332,252 0.15% of shares | low |
| Feb 2, 2026 | Grant | CTMX CytomX Therapeutics, Inc. Stock Option (Right to Buy) | — | +250K | 250,000 0.11% of shares | low |