Company Analysis

Keros Therapeutics, Inc. (KROS)

Nasdaq: KROS · Pharmaceutical Preparations · Lexington, MA · filing with the SEC since 2016
Grade7.4
◀ Past 6.2● Present 7.8▶ Future 8.1
1 est.

Filings

314 filings since 2017 beside 221 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 22, 2026.

Filings a yearinsider forms included
190876754658783
20182020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 10 times in the last 36 months, the newest Jul 22, 2026.
Insider forms 221

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 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
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/A Large holder update, amended
Sep 29, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Sep 28, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Sep 16, 2026 EFFECT Registration effective
Sep 11, 2026 DEL AM Form DEL AM
Sep 10, 2026 S-3 Shelf registration
Sep 8, 2026 8-K items 8.01, 9.01 Other event · Current report
Aug 3, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Aug 3, 2026 10-Q Quarterly report Jun 30, 2026
Aug 3, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 30, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Jul 29, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 22, 2026 8-K item 5.02 Officer or director change · Current report Jul 17, 2026
Jul 17, 2026 SCHEDULE 13G Large holder notice
Jun 25, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Jun 23, 2026
Jun 3, 2026 8-K item 5.07 Shareholder vote · Current report
Jun 1, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
May 15, 2026 SCHEDULE 13G Large holder notice
May 14, 2026 10-Q Quarterly report Mar 31, 2026
May 14, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 22, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 22, 2026 DEFA14A Extra proxy material
Apr 22, 2026 DEF 14A Proxy statement Jun 3, 2026
Apr 7, 2026 SCHEDULE 13G Large holder notice
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 9, 2026 8-K items 8.01, 9.01 Other event · Current report
Mar 4, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Mar 4, 2026 S-8 Employee stock plan registration
Mar 4, 2026 10-K Annual report Dec 31, 2025
Mar 4, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 26, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Feb 20, 2026
Feb 18, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 30, 2026 SCHEDULE 13G/A Large holder update, amended
40 of 314 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 KROS · research, not advice