Solid Biosciences Inc. — Director's Dealing 2025

Feb 18, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Solid Biosciences Inc. (SLDB)
CIK: 0001707502
Period of Report: 2025-02-13

Reporting Person: Tan Kevin (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-13	Common Stock	M	10625	—	Acquired	35414	Direct
2025-02-14	Common Stock	S	3164	$3.96	Disposed	32250	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-13	Restricted Stock Units	$	M	10625	Disposed		Common Stock (10625)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock (the "RSUs").

F2: This sale was made to cover withholding taxes following the vesting of the previously granted RSUs pursuant to a durable automatic sales instruction letter adopted by Mr. Tan on August 15, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Tan.

F3: The restricted stock units were granted on February 13, 2025 (the "Grant Date") and vest over four years, with 25% of the original number of shares vesting on each anniversary of the Grant Date until the fourth such anniversary.