Solid Biosciences Inc. — Director's Dealing 2026

Jan 30, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Solid Biosciences Inc. (SLDB)
CIK: 0001707502
Period of Report: 2026-01-27

Reporting Person: Ganot Ilan (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-27	Common Stock	M	389	—	Acquired	17667	Indirect
2026-01-28	Common Stock	S	191	$6.59	Disposed	17476	Indirect
2026-01-27	Common Stock	M	3884	—	Acquired	99297	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-27	Restricted Stock Units	$	M	389	Disposed		Common Stock (389)	Indirect
2026-01-27	Restricted Stock Units	$	M	3884	Disposed		Common Stock (3884)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	19394	Indirect

Footnotes

F1: Restricted stock units convert into common stock on a one-for-one basis.

F2: This sale was made to cover withholding taxes following the vesting of the previously granted restricted stock units pursuant to a durable automatic sales instruction letter adopted by Ms. Ganot on September 25, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Ms. Ganot.

F3: Represents 95,255 shares held by Mr. Ganot as an individual, and 4,042 shares held by Mr. Ganot and Annie Ganot as joint tenants with right of survivorship.

F4: Represents 19,394 shares held by Adam Ganot and Annie Ganot, and their successors, as the trustees for the Ilan Ganot 2017 Irrevocable Trust dated March 3, 2017.

F5: On January 27, 2022 (the "Grant Date") Ms. Ganot was granted 1,553 restricted stock units, vesting in four equal installments on the anniversary of the Grant Date.

F6: On the Grant Date, the reporting person was granted 15,533 restricted stock units, vesting in four equal installments on the anniversary of the Grant Date.