# EDGAR Filing Document

**Accession Number:** 0001818794
**File Stem:** 0001193125-26-261696
**Filing Date:** 2026-6
**Character Count:** 7191
**Document Hash:** 6472e0e74fa3a11dc99e10d13f3a500c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-261696.hdr.sgml**: 20260608

**ACCESSION NUMBER**: 0001193125-26-261696

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 9

**CONFORMED PERIOD OF REPORT**: 20260605

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260608

**DATE AS OF CHANGE**: 20260608

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Dyne Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001818794
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 364883909
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39509
- **FILM NUMBER:** 261072586

**BUSINESS ADDRESS:**
- **STREET 1:** 1560 TRAPELO ROAD
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451
- **BUSINESS PHONE:** (781) 786-8230

**MAIL ADDRESS:**
- **STREET 1:** 1560 TRAPELO ROAD
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451

?xml version='1.0' encoding='ASCII'? 8-K

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**WASHINGTON, D.C. 20549** 

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**FORM** 8-K

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**CURRENT REPORT** 

**Pursuant to Section 13 or 15(d)** 

**of the Securities Exchange Act of 1934** 

**Date of report (Date of earliest event reported):** June 5, 2026

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Dyne Therapeutics, Inc.

**(Exact Name of Registrant as Specified in Charter)** 

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| | | |
|:---|:---|:---|
| Delaware | 001-39509 | 36-4883909 |
| **(State or Other Jurisdiction**<br>**of Incorporation)** | **(Commission**<br>**File Number)** | **(IRS Employer**<br>**Identification No.)** |
| 1560 Trapelo Road<br>Waltham**,** Massachusetts |  | 02451 |
| **(Address of Principal Executive Offices)** |  | **(Zip Code)** |

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**Registrant's telephone number, including area code:** (781) 786-8230

**Not applicable** 

**(Former Name or Former Address, if Changed Since Last Report)** 

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (*see* General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

**Securities registered pursuant to Section 12(b) of the Act:** 

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading symbol(s)** | **Name of each exchange on which registered** |
| Common stock, $0.0001 par value per share | DYN | Nasdaq Global Select Market |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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**Item 5.07 Submission of Matters to a Vote of Security Holders.** 

On June 5, 2026, Dyne Therapeutics, Inc. (the "Company") held its 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting"). The following is a summary of the matters voted on at the 2026 Annual Meeting.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)The stockholders of the Company elected David Lubner, Brian Posner and Jason Rhodes as Class III directors, each to serve for a three-year term expiring at the 2029 annual meeting of stockholders and until his respective successor has been duly elected and qualified. The results of the stockholders' vote with respect to such matter were as follows:

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| | | | |
|:---|:---|:---|:---|
| **Name** | **For** | **Withheld** | **Broker Non-Votes** |
| David Lubner | 136,331,376 | 12,741,582 | 9,669,965 |
| Brian Posner | 148,535,323 | 537,635 | 9,669,965 |
| Jason Rhodes | 130,313,227 | 18,759,731 | 9,669,965 |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)The stockholders of the Company approved, on a non-binding advisory basis, the compensation of the Company's named executive officers. The results of the stockholders' vote, on a non-binding advisory basis, with respect to such matter were as follows:

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| | | | |
|:---|:---|:---|:---|
| **For** | **Against** | **Abstain** | **Broker Non-Votes** |
| 147,732,142 | 1,279,302 | 61,514 | 9,669,965 |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c)The stockholders of the Company approved an amendment to the Company's restated certificate of incorporation to increase the number of authorized shares of common stock from 200,000,000 shares to 400,000,000 shares (the "Authorized Shares Amendment"). The results of the stockholders' vote with respect to such matter were as follows:

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| | | |
|:---|:---|:---|
| **For** | **Against** | **Abstain** |
| 157,762,168 | 913,118 | 67,637 |

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The Company filed a certificate of amendment to its restated certificate of incorporation with the Secretary of State of the State of Delaware on June 8, 2026, to effect the Authorized Shares Amendment.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d)The stockholders of the Company approved an amendment to the Company's restated certificate of incorporation to provide for officer exculpation (the "Officer Exculpation Amendment"). The results of the stockholders' vote with respect to such matter were as follows:

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| | | | |
|:---|:---|:---|:---|
| **For** | **Against** | **Abstain** | **Broker Non-Votes** |
| 136,735,765 | 12,310,752 | 26,441 | 9,669,965 |

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The Company filed a certificate of amendment to its restated certificate of incorporation with the Secretary of State of the State of Delaware on June 8, 2026, to effect the Officer Exculpation Amendment.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e)The stockholders of the Company ratified the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026. The results of the stockholders' vote with respect to such matter were as follows:

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| | | |
|:---|:---|:---|
| **For** | **Against** | **Abstain** |
| 158,690,016 | 25,660 | 27,247 |

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**SIGNATURES** 

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | | |
|:---|:---|:---|:---|
|  | DYNE THERAPEUTICS, INC. | DYNE THERAPEUTICS, INC. | DYNE THERAPEUTICS, INC. |
| Date: June 8, 2026 | By: | /s/ John G. Cox | /s/ John G. Cox |
|  |  | Name: | John G. Cox |
|  |  | Title: | President and Chief Executive Officer |

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