# EDGAR Filing Document

**Accession Number:** 0001707502
**File Stem:** 0001193125-26-265804
**Filing Date:** 2026-6
**Character Count:** 6889
**Document Hash:** db445143c473c5f5737da24e60678397
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-265804.hdr.sgml**: 20260610

**ACCESSION NUMBER**: 0001193125-26-265804

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 9

**CONFORMED PERIOD OF REPORT**: 20260610

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

**FILED AS OF DATE**: 20260610

**DATE AS OF CHANGE**: 20260610

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Solid Biosciences Inc.
- **CENTRAL INDEX KEY:** 0001707502
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 900943402
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38360
- **FILM NUMBER:** 261079638

**BUSINESS ADDRESS:**
- **STREET 1:** 500 RUTHERFORD AVENUE
- **STREET 2:** 3RD FLOOR
- **CITY:** CHARLESTOWN
- **STATE:** MA
- **ZIP:** 02129
- **BUSINESS PHONE:** 617-337-4680

**MAIL ADDRESS:**
- **STREET 1:** 500 RUTHERFORD AVENUE
- **STREET 2:** 3RD FLOOR
- **CITY:** CHARLESTOWN
- **STATE:** MA
- **ZIP:** 02129

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Solid Biosciences, LLC
- **DATE OF NAME CHANGE:** 20170524

?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 10, 2026<br>

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Solid Biosciences Inc.

**(Exact name of Registrant as Specified in Its Charter)**

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| | | |
|:---|:---|:---|
| Delaware | 001-38360 | 90-0943402 |
| **(State or Other Jurisdiction<br>of Incorporation)** | **(Commission File Number)** | **(IRS Employer<br>Identification No.)** |
| 500 Rutherford Avenue |  |  |
| Charlestown**,** Massachusetts |  | 02129 |
| **(Address of Principal Executive Offices)** |  | **(Zip Code)** |

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**Registrant's Telephone Number, Including Area Code:** (617) 337-4680<br>

**(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:

☐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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| | | |
|:---|:---|:---|
| **<br>Title of each class** | **Trading<br>Symbol(s)** | **<br>Name of each exchange on which registered** |
| Common Stock $0.001 par value per share | SLDB | The 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 ☐

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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.
Solid Biosciences Inc. (the "Company") held its Annual Meeting of Stockholders (the "Annual Meeting") on June 10, 2026 to consider and vote upon the matters listed below. The following is a summary of the matters voted on at the Annual Meeting.

1. The Company's stockholders elected Clare Kahn, Adam Stone and Lynne Sullivan as Class II directors to serve until the 2029 Annual Meeting of Stockholders, each director to hold office until his or her successor has been duly appointed and qualified. The results of the stockholders' vote with respect to the election of such Class II directors were as follows:

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| | | | |
|:---|:---|:---|:---|
|  | Votes For | Votes<br>Withheld | Broker<br>Non-Votes |
| Clare Kahn  | 73,139,200 | 5,700,169 | 7,685,551 |
| Adam Stone  | 71,556,735 | 7,282,634 | 7,685,551 |
| Lynne Sullivan | 73,124,331 | 5,715,038 | 7,685,551 |

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2. The Company's stockholders ratified the appointment of Ilan Ganot, on an advisory basis, as a Class I director to serve until the 2028 Annual Meeting of Stockholders. The results of the stockholders' vote with respect to such ratification were as follows:

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| | | | |
|:---|:---|:---|:---|
| Votes For | Votes<br>Against | Votes<br>Abstaining | Broker Non-Votes |
| 78,636,398 | 185,585 | 17,386 | 7,685,551 |

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3. The Company's stockholders ratified the appointment of PricewaterhouseCoopers 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 ratification were as follows:

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| | | | |
|:---|:---|:---|:---|
| Votes For | Votes<br>Against | Votes<br>Abstaining | Broker Non-Votes |
| 86,420,186 | 70,007 | 34,727 | - |

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4. The Company's stockholders approved an amendment to the Company's Certificate of Incorporation, as amended, to increase the number of authorized shares of the Company's common stock from 240,000,000 to 480,000,000 (the "Share Increase Amendment"). The results of the stockholders' vote with respect to such approval were as follows:

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| | | | |
|:---|:---|:---|:---|
| Votes For | Votes<br>Against | Votes<br>Abstaining | Broker Non-Votes |
| 85,604,508 | 893,360 | 27,502 | - |

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The Company filed a Certificate of Amendment to Certificate of Incorporation with the Secretary of State of the State of Delaware on June 10, 2026 to effect the Share Increase Amendment.

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5. The Company's stockholders approved the non-binding, advisory vote on the compensation paid to its named executive officers. The results of the stockholders' vote with respect to such approval were as follows:

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| | | | |
|:---|:---|:---|:---|
| Votes For | Votes<br>Against | Votes<br>Abstaining | Broker Non-Votes |
| 72,596,980 | 6,203,634 | 38,755 | 7,685,551 |

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**SIGNATURES**

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

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| | | | |
|:---|:---|:---|:---|
|  |  |  | SOLID BIOSCIENCES INC. |
| Date: | June 10, 2026 | By:  | /s/ Alexander Cumbo |
|  |  | Name:<br>Title | Alexander Cumbo<br>Chief Executive Officer |

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