Solid Biosciences Inc. — Director's Dealing 2019

Mar 29, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Solid Biosciences Inc. (SLDB)
CIK: 0001707502
Period of Report: 2019-03-26

Reporting Person: Boxer Capital, LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-03-26	Common Stock	S	275000	$10.08	Disposed	3648272	Direct
2019-03-27	Common Stock	S	115000	$9.60	Disposed	3533272	Direct
2019-03-28	Common Stock	S	60000	$9.53	Disposed	3473272	Direct

Footnotes

F1: These securities are owned directly by Boxer Capital, LLC ("Boxer Capital"), which may be deemed to be a member of a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, consisting of (i) Boxer Capital, (ii) Boxer Asset Management Inc. ("Boxer Management"), (iii) Braslyn Ltd., (iv) Joseph C. Lewis and (v) MVA Investors, LLC (collectively, the "Boxer Group"), and indirectly by Boxer Management and Mr. Lewis. Each member of the Boxer Group other than Boxer Capital disclaims beneficial ownership of these securities to the extent it does not have a pecuniary interest therein.

F2: Reflects the weighted average sale price. The reporting person effected multiple same-way open market sale transactions on the same day at different prices through a trade order executed by a broker dealer. The reporting person reported on a single line all such transactions that occurred within a one dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price. The range of prices for such transaction is $10.00 to $10.13.

F3: Reflects the weighted average sale price. The reporting person effected multiple same-way open market sale transactions on the same day at different prices through a trade order executed by a broker dealer. The reporting person reported on a single line all such transactions that occurred within a one dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price. The range of prices for such transaction is $9.53 to $9.80.

F4: Reflects the weighted average sale price. The reporting person effected multiple same-way open market sale transactions on the same day at different prices through a trade order executed by a broker dealer. The reporting person reported on a single line all such transactions that occurred within a one dollar price range. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a shareholder of the issuer, full information regarding the number of shares sold at each separate price. The range of prices for such transaction is $9.52 to $9.55.