Company Analysis

Shattuck Labs, Inc. (STTK)

Nasdaq: STTK · Pharmaceutical Preparations · Austin, TX · filing with the SEC since 2016
Grade4.8
◀ Past 4.9● Present 5.3▶ Future 4.4
1 est.

Filings

192 filings since 2017 beside 219 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 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 8, 2026.

Filings a yearinsider forms included
163664239686269
20182020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest Jun 2, 2026.SEC letters: 6 in the last 36 months, the newest Jan 16, 2026.
Insider forms 219

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 5, 2026 10-Q Quarterly report Sep 30, 2026
Nov 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 27, 2026 SCHEDULE 13G Large holder notice
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 11, 2026 8-K item 2.02 Results released · Current report
Aug 11, 2026 10-Q Quarterly report Jun 30, 2026
Aug 11, 2026 S-8 Employee stock plan registration
Jul 17, 2026 SCHEDULE 13D/A Activist holder update, amended
Jun 17, 2026 SCHEDULE 13G Large holder notice
Jun 15, 2026 SCHEDULE 13D/A Activist holder update, amended
Jun 11, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report Jun 9, 2026
Jun 11, 2026 424B5 Shelf offering
Jun 11, 2026 SCHEDULE 13D/A Activist holder update, amended
Jun 9, 2026 424B5 Shelf offering
Jun 9, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report Jun 8, 2026
Jun 2, 2026 8-K items 5.02, 5.07, 9.01 Officer or director change; Shareholder vote · Current report May 28, 2026
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 7, 2026 10-Q Quarterly report Mar 31, 2026
May 7, 2026 8-K item 2.02 Results released · Current report
Apr 8, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 8, 2026 DEFA14A Extra proxy material
Apr 8, 2026 DEF 14A Proxy statement May 28, 2026
Mar 5, 2026 10-K Annual report Dec 31, 2025
Mar 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 6, 2026 SCHEDULE 13G Large holder notice
Feb 5, 2026 8-K item 8.01 Other event · Current report
Jan 22, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report
Jan 22, 2026 424B5 Shelf offering
Jan 21, 2026 EFFECT Registration effective
Jan 16, 2026 CORRESP Reply to the SEC
Jan 16, 2026 UPLOAD SEC comment letter
Jan 13, 2026 S-3 Shelf registration
Nov 13, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 6, 2025 8-K/A item 2.02 Results released · Current report, amended
Nov 6, 2025 10-Q Quarterly report Sep 30, 2025
Nov 6, 2025 8-K item 2.02 Results released · Current report
Sep 30, 2025 424B3 Shelf offering
Sep 26, 2025 EFFECT Registration effective
Sep 24, 2025 CORRESP Reply to the SEC
Sep 24, 2025 UPLOAD SEC comment letter
40 of 192 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 STTK · research, not advice