Marcia Belvin

Marcia Belvin is a declared insider of CytomX Therapeutics, Inc., with filings sourced from SEC (Form 4). Over a trading history stretching from 22 March 2023 to 17 March 2026, the count stands at 18 filings.

Every open-market trade on record is a sale: 7 sales worth €258k. The rest of the record consists of 8 share grants and 3 option exercises. So far in 2026, the count stands at no purchases and 1 sale.

The latest filing, published on 19 March 2026, reports an open-market sale of €176k in CytomX Therapeutics, Inc. The median gap between a trade and its publication by SEC (Form 4) is 2 days. US insiders must file a Form 4 within two business days of a trade. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.