Company Analysis

Dyne Therapeutics, Inc. (DYN)

Nasdaq: DYN · Pharmaceutical Preparations · Waltham, MA · filing with the SEC since 2020
Grade5.6
◀ Past 6.0● Present 4.9▶ Future 5.8
6 est.

Filings

228 filings since 2017 beside 568 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated 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 23, 2026.

Filings a yearinsider forms included
6257728224899176
2020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Jun 22, 2026.
Insider forms 568

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 2.02, 9.01 Results released · Current report
Nov 5, 2026 10-Q Quarterly report Sep 30, 2026
Sep 29, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Aug 13, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 13, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 6, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 29, 2026 10-Q Quarterly report Jun 30, 2026
Jul 28, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 22, 2026 424B5 Shelf offering
Jul 22, 2026 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report Jul 21, 2026
Jul 21, 2026 424B5 Shelf offering
Jul 20, 2026 8-K item 8.01 Other event · Current report
Jun 22, 2026 8-K item 5.02 Officer or director change · Current report
Jun 17, 2026 8-K items 1.01, 2.03 Major agreement signed; New debt or obligation taken on · Current report Jun 16, 2026
Jun 8, 2026 8-K item 5.07 Shareholder vote · Current report Jun 5, 2026
Jun 3, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 11, 2026 8-K items 2.02, 9.01 Results released · Current report
May 11, 2026 10-Q Quarterly report Mar 31, 2026
May 6, 2026 SCHEDULE 13G Large holder notice
Apr 23, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 23, 2026 DEFA14A Extra proxy material
Apr 23, 2026 DEF 14A Proxy statement Apr 22, 2026
Apr 9, 2026 PRE 14A Preliminary proxy statement
Mar 27, 2026 S-8 Employee stock plan registration
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 6, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 2, 2026 S-8 Employee stock plan registration
Mar 2, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 2, 2026 10-K Annual report Dec 31, 2025
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 12, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Jan 8, 2026 SCHEDULE 13G Large holder notice
Dec 23, 2025 8-K item 5.02 Officer or director change · Current report Dec 22, 2025
Dec 10, 2025 424B5 Shelf offering
Dec 10, 2025 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report Dec 9, 2025
Dec 8, 2025 424B5 Shelf offering
Dec 8, 2025 8-K item 2.03 New debt or obligation taken on · Current report
40 of 228 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 DYN · research, not advice