Company Analysis

CytomX Therapeutics, Inc. (CTMX)

Nasdaq: CTMX · Pharmaceutical Preparations · South San Francisco, CA · filing with the SEC since 2010
Grade4.4
◀ Past 3.4● Present 5.8▶ Future 3.6

Filings

337 filings since 2017 beside 321 insider forms · Accelerated filer · read from EDGAR on Nov 13, 2026
Due nextAccelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Accelerated filers have 75 days after the fiscal year ends. by Mar 16, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Apr 30, 2026.

Filings a yearinsider forms included
5460635964577159
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Jul 27, 2026.Listing warning from its exchange (8-K item 3.01): 1 time in the last 36 months, the newest Feb 26, 2025.SEC letters: 4 in the last 36 months, the newest Aug 14, 2025.
Insider forms 321

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026 SCHEDULE 13G Large holder notice
Nov 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 5, 2026 10-Q Quarterly report Sep 30, 2026
Oct 28, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 7, 2026 SCHEDULE 13G Large holder notice
Aug 6, 2026 S-8 Employee stock plan registration
Aug 6, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 6, 2026 10-Q Quarterly report Jun 30, 2026
Aug 3, 2026 SCHEDULE 13G Large holder notice
Jul 27, 2026 SCHEDULE 13G Large holder notice
Jul 27, 2026 8-K item 5.02 Officer or director change · Current report Jul 24, 2026
Jun 22, 2026 8-K items 5.02, 5.03, 5.07, 9.01 Officer or director change; Charter, bylaw or fiscal-year change; Shareholder vote · Current report Jun 17, 2026
Jun 3, 2026 8-K item 1.01 Major agreement signed · Current report May 29, 2026
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 7, 2026 8-K items 2.02, 9.01 Results released · Current report
May 7, 2026 10-Q Quarterly report Mar 31, 2026
Apr 30, 2026 DEFA14A Extra proxy material
Apr 30, 2026 DEF 14A Proxy statement Jun 17, 2026
Apr 20, 2026 PRE 14A Preliminary proxy statement Jun 17, 2026
Apr 16, 2026 SCHEDULE 13G Large holder notice
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 19, 2026 8-K items 8.01, 9.01 Other event · Current report Mar 17, 2026
Mar 18, 2026 424B5 Shelf offering
Mar 16, 2026 424B5 Shelf offering
Mar 16, 2026 S-3ASR Shelf registration
Mar 16, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 16, 2026 10-K Annual report Dec 31, 2025
Mar 4, 2026 SCHEDULE 13G Large holder notice
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 5, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
40 of 337 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton CTMX · research, not advice