Dyne Therapeutics, Inc. SEC filings DYN
Dyne Therapeutics, Inc. has 796 filings in SEC EDGAR's recent list, going back to Jul 23, 2020. Its latest annual report, Form ARS, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 29, 2026 | Sep 29, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2026 | Jul 29, 2026 |
| 10-Q | Quarterly report | Jul 29, 2026 | Jun 30, 2026 |
| 424B5 | Prospectus supplement | Jul 22, 2026 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jul 22, 2026 | Jul 21, 2026 |
| 424B5 | Prospectus supplement | Jul 21, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 20, 2026 | Jul 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 22, 2026 | Jun 22, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 17, 2026 | Jun 16, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2026 | Jun 5, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 3, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| ARS | Annual report to shareholders | Apr 23, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 23, 2026 | — |
| DEF 14A | Proxy statement | Apr 23, 2026 | Apr 22, 2026 |
| PRE 14A | Preliminary proxy statement | Apr 9, 2026 | Apr 9, 2026 |
| S-8 | Employee stock plan registration | Mar 27, 2026 | — |
| S-8 | Employee stock plan registration | Mar 2, 2026 | — |
| 8-K |
Current report
Results of operations
|
Mar 2, 2026 | Mar 2, 2026 |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2025 | Dec 22, 2025 |
| 424B5 | Prospectus supplement | Dec 10, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Dec 10, 2025 | Dec 9, 2025 |
| 424B5 | Prospectus supplement | Dec 8, 2025 | — |
| 8-K |
Current report
New debt
|
Dec 8, 2025 | Dec 8, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 8, 2025 | Dec 8, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 2, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 4, 2025 | Aug 4, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2025 | Jul 28, 2025 |
| 10-Q | Quarterly report | Jul 28, 2025 | Jun 30, 2025 |
| 424B5 | Prospectus supplement | Jul 1, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jul 1, 2025 | Jun 30, 2025 |
| 424B5 | Prospectus supplement | Jun 30, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jun 30, 2025 | Jun 27, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 17, 2025 | Jun 17, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2025 | May 30, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Apr 15, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 15, 2025 | — |
| DEF 14A | Proxy statement | Apr 15, 2025 | May 30, 2025 |
| S-8 | Employee stock plan registration | Mar 27, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Mar 20, 2025 | Mar 17, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| S-8 | Employee stock plan registration | Feb 27, 2025 | — |
| 10-K | Annual report | Feb 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 10, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Other events
|
Nov 12, 2024 | Nov 12, 2024 |
| 424B5 | Prospectus supplement | Nov 12, 2024 | — |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Sep 3, 2024 | Aug 31, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 12, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2024 | May 22, 2024 |
| 424B5 | Prospectus supplement | May 22, 2024 | — |
| 8-K |
Current report
Material agreement, Other events
|
May 22, 2024 | May 21, 2024 |
| 424B5 | Prospectus supplement | May 20, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 20, 2024 | May 20, 2024 |
| S-8 | Employee stock plan registration | May 2, 2024 | — |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Apr 5, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 5, 2024 | — |
| DEF 14A | Proxy statement | Apr 5, 2024 | May 22, 2024 |
| 8-K |
Current report
Officer or director change
|
Mar 25, 2024 | Mar 21, 2024 |
| S-3ASR | Automatic shelf registration | Mar 5, 2024 | — |
| 8-K |
Current report
Results of operations
|
Mar 5, 2024 | Mar 5, 2024 |
| S-8 | Employee stock plan registration | Mar 5, 2024 | — |
| 10-K | Annual report | Mar 5, 2024 | Dec 31, 2023 |
| 424B5 | Prospectus supplement | Jan 5, 2024 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jan 5, 2024 | Jan 4, 2024 |
| S-3MEF | Filing | Jan 4, 2024 | — |
| 8-K |
Current report
Other events
|
Jan 4, 2024 | Jan 4, 2024 |
| 424B5 | Prospectus supplement | Jan 3, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 3, 2024 | Jan 3, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2023 | Oct 30, 2023 |
| 10-Q | Quarterly report | Oct 30, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 25, 2023 | May 24, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 11, 2023 |
| 10-Q | Quarterly report | May 11, 2023 | Mar 31, 2023 |
| ARS | Annual report to shareholders | Apr 7, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 7, 2023 | — |
| DEF 14A | Proxy statement | Apr 7, 2023 | May 24, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2023 | Mar 2, 2023 |
| S-8 | Employee stock plan registration | Mar 2, 2023 | — |
| 10-K | Annual report | Mar 2, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Other events
|
Sep 12, 2022 | Sep 6, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Other events
|
Jul 5, 2022 | Jul 5, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2022 | Jun 3, 2022 |
| 8-K |
Current report
Results of operations
|
May 2, 2022 | May 2, 2022 |
| 10-Q | Quarterly report | May 2, 2022 | Mar 31, 2022 |
| DEFA14A | Additional proxy material | Apr 22, 2022 | — |
| DEF 14A | Proxy statement | Apr 22, 2022 | Jun 3, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2022 | Mar 10, 2022 |
| S-8 | Employee stock plan registration | Mar 10, 2022 | — |
| 10-K | Annual report | Mar 10, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Mar 3, 2022 | Mar 2, 2022 |
| 8-K |
Current report
Other events
|
Dec 3, 2021 | Dec 2, 2021 |
| EFFECT | Filing | Nov 17, 2021 | — |
| CORRESP | Letter to the SEC | Nov 15, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 10, 2021 | — |
| S-3 | Shelf registration | Nov 4, 2021 | — |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 10-Q | Quarterly report | Aug 5, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Officer or director change
|
Jun 2, 2021 | May 27, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 26, 2021 | May 26, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| 10-Q | Quarterly report | May 6, 2021 | Mar 31, 2021 |
| DEFA14A | Additional proxy material | Apr 14, 2021 | — |
| DEF 14A | Proxy statement | Apr 14, 2021 | May 26, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2021 | Mar 4, 2021 |
| S-8 | Employee stock plan registration | Mar 4, 2021 | — |
| 10-K | Annual report | Mar 4, 2021 | Dec 31, 2020 |
| 424B4 | Prospectus | Jan 21, 2021 | — |
| EFFECT | Filing | Jan 20, 2021 | — |
| S-1MEF | Filing | Jan 20, 2021 | — |
| CORRESP | Letter to the SEC | Jan 19, 2021 | — |
| CORRESP | Letter to the SEC | Jan 19, 2021 | — |
| 8-K |
Current report
Results of operations
|
Jan 19, 2021 | Jan 19, 2021 |
| S-1 | Registration statement | Jan 19, 2021 | — |
| UPLOAD | Letter from the SEC | Jan 13, 2021 | — |
| DRS | Filing | Jan 11, 2021 | — |
| 8-K |
Current report
Material agreement, New debt
|
Dec 9, 2020 | Dec 4, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 21, 2020 | Sep 21, 2020 |
| 424B4 | Prospectus | Sep 17, 2020 | — |
| S-8 | Employee stock plan registration | Sep 17, 2020 | — |
| EFFECT | Filing | Sep 16, 2020 | — |
| S-1MEF | Filing | Sep 16, 2020 | — |
| CERT | Filing | Sep 16, 2020 | — |
| CORRESP | Letter to the SEC | Sep 14, 2020 | — |
| CORRESP | Letter to the SEC | Sep 14, 2020 | — |
| 8-A12B | Filing | Sep 11, 2020 | — |
| UPLOAD | Letter from the SEC | Sep 10, 2020 | — |
| CORRESP | Letter to the SEC | Sep 10, 2020 | — |
| S-1/A | Amended registration statement | Sep 10, 2020 | — |
| CORRESP | Letter to the SEC | Aug 25, 2020 | — |
| S-1 | Registration statement | Aug 25, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 20, 2020 | — |
| D | Filing | Aug 14, 2020 | — |
| DRS | Filing | Jul 23, 2020 | — |
Showing 158 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- DYN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Waltham, MA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1818794
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.