SLDB CFO auto-sells 14,783 shares for tax cover

Solid Biosciences Inc. CFO and Treasurer Kevin Tan reported an automatic sale of 14,783 shares of common stock on February 4, 2026.

Rhea-AI Filing Summary

Solid Biosciences Inc. CFO and Treasurer Kevin Tan reported an automatic sale of 14,783 shares of common stock on February 4, 2026. The shares were sold at a weighted average price of $6.4419 per share, in multiple trades between $6.28 and $6.60.

The sale was made solely to cover withholding taxes after previously granted restricted stock units vested, under a durable automatic sale instruction letter adopted on August 15, 2024, and is not a discretionary trade by Mr. Tan. Following this transaction, he directly holds 94,201 common shares.

Insider Trade Summary

Net Seller: 14,783 shares

Net Sell 1 txn

Insider Tan Kevin

Role CFO & Treasurer

Sold 14,783 shs ($95K)

Type	Security	Shares	Price	Value
Sale	Common Stock	14,783	$6.4419	$95K

Holdings After Transaction: Common Stock — 94,201 shares (Direct)

Footnotes (2)

1. F1. This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale 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.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) to this Form.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SLDB CFO Kevin Tan report?

Kevin Tan reported an automatic sale of 14,783 Solid Biosciences common shares on February 4, 2026. The sale was made to cover withholding taxes following the vesting of restricted stock units under a pre-established instruction, rather than as a discretionary open-market trade.

At what price were Kevin Tan's SLDB shares sold on February 4, 2026?

The reported weighted average sale price was $6.4419 per Solid Biosciences share. The shares were sold in multiple transactions, with individual trade prices ranging from $6.28 to $6.60, inclusive, as part of a sell-to-cover tax transaction tied to vested restricted stock units.

How many SLDB shares does Kevin Tan own after this Form 4 transaction?

After the February 4, 2026 sale, Kevin Tan directly holds 94,201 shares of Solid Biosciences common stock. This figure reflects his beneficial ownership immediately following the automatic sell-to-cover transaction that disposed of 14,783 shares to satisfy withholding tax obligations.

Why did SLDB CFO Kevin Tan sell 14,783 shares in February 2026?

The sale was executed to cover withholding taxes triggered by the vesting of previously granted restricted stock units. It followed a durable automatic sale instruction letter adopted on August 15, 2024, meaning the transaction was a pre-arranged sell-to-cover event, not a discretionary decision.

Was Kevin Tan’s February 4, 2026 SLDB share sale discretionary?

No. The Form 4 states the sale does not represent a discretionary trade by Kevin Tan. It was carried out under a durable automatic sale instruction to sell shares solely to cover tax withholding from vesting restricted stock units.

What role does Kevin Tan hold at Solid Biosciences (SLDB)?

Kevin Tan is identified as an officer of Solid Biosciences, serving as Chief Financial Officer and Treasurer. The February 4, 2026 Form 4 reports his automatic sell-to-cover stock transaction and his resulting direct beneficial ownership of 94,201 common shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/06/2026 - 06:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tan Kevin

(Last) (First) (Middle)

C/O SOLID BIOSCIENCES INC.

500 RUTHERFORD AVENUE, THIRD FLOOR

(Street)

CHARLESTOWN MA 02129

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Solid Biosciences Inc. [ SLDB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO & Treasurer

3. Date of Earliest Transaction (Month/Day/Year)
02/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/04/2026		S		14,783(1)	D	$6.4419(2)	94,201	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This sale was made to cover withholding taxes following the vesting of previously granted restricted stock units pursuant to a durable automatic sale 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.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.28 to $6.60, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (4) to this Form.

	/s/ Kimberly Cornwell as attorney-in-fact for Kevin Tan	02/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.