0000950170-25-109723.txt : 20250818 0000950170-25-109723.hdr.sgml : 20250818 20250818161023 ACCESSION NUMBER: 0000950170-25-109723 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250814 FILED AS OF DATE: 20250818 DATE AS OF CHANGE: 20250818 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cumbo Alexander CENTRAL INDEX KEY: 0001685994 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38360 FILM NUMBER: 251228010 MAIL ADDRESS: STREET 1: 215 FIRST STREET STREET 2: SUITE 415 CITY: CAMBRIDGE STATE: MA ZIP: 02142 ISSUER: 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 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 4 1 ownership.xml 4 X0508 4 2025-08-14 0001707502 Solid Biosciences Inc. SLDB 0001685994 Cumbo Alexander C/O SOLID BIOSCIENCES INC. 500 RUTHERFORD AVENUE, THIRD FLOOR CHARLESTOWN MA 02129 true true false false President and CEO false Employee Stock Option (Right to Buy) 6.17 2025-08-14 4 A false 337500 0.00 A 2035-08-14 Common Stock 337500 337500 D Restricted Stock Units 2025-08-14 4 A false 168750 0.00 A Common Stock 168750 168750 D The RSUs (as defined in footnote 2) together with this option were granted on August 14, 2025 (the "Grant Date") and vest over four years, with 50% of the original number of shares vesting on the second anniversary of the Grant Date and 25% of the original number of shares annually thereafter until the fourth such anniversary. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock (the "RSUs"). /s/ Kimberly Cornwell as attorney-in-fact for Alexander Cumbo 2025-08-18