CytomX Therapeutics, Inc. (CTMX)
Latest CTMX Insider Trades
Christopher Ogden - OfficerOpen-market sale$5K- Yu-Waye Chu - OfficerOpen-market sale$137K
About CytomX Therapeutics, Inc. (CTMX)
CytomX Therapeutics Inc a clinical-stage, oncology-focused biopharmaceutical company developing novel, masked, conditionally activated biologics designed to be localized to the tumor microenvironment. It is engaged in developing antibody therapeutics based on probody technology platforms. The company's probody technology platform creates proprietary cancer immunotherapies against clinically-validated targets and develops cancer therapeutics. Probody therapeutics are designed to take advantage of conditions in the tumor microenvironment to enhance the tumor-targeting features of an antibody and reduce drug activity in healthy tissues.
- SOUTH SAN FRANCISCO, CA
- 69
- 2015
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 1 | 1,624 | $5K |
| Grant or award | 10 | 1,081,000 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
CTMX Insider Transactions (Form 4)
3726 Form 4 filings on record, the earliest from Jun 11, 2025, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Alejandra Carvajal - Officer | Grant or award | Common Stock | 100,000 |
Recent CTMX Form 8-K Filings
5CTMX Insider Trading - FAQ
What is the latest insider trade for CTMX?
CytomX Therapeutics, Inc. (CTMX) had 10 insider filings in the last 90 days, with the most recent on 2026-08-05. The full record for CTMX runs to 26 Form 4 filings, the earliest from 2025-06-11. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying CTMX stock?
No insider purchases of CTMX were filed in the last 90 days.
How many insiders are selling CTMX stock?
1 insider sale of CTMX was filed in the last 90 days, totaling $5K.
Where can I see CTMX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks CTMX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow CTMX insider buys?
Create a free InsiderAlpha account and press Watch on this page to add CTMX to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Alejandra Carvajal view on EDGAR
- - Charles S. Fuchs view on EDGAR
- - Zhen Su view on EDGAR
- - Matthew P. Young view on EDGAR
- - Mani Mohindru view on EDGAR
- - James R. Meyers view on EDGAR
- - Halley E. Gilbert view on EDGAR
- - Alan Ashworth view on EDGAR
- - Elaine V. Jones view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Health Care
- Where CTMX's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track CTMX insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
