Solid Biosciences director reports RSU vesting, sale

Solid Biosciences Inc. director Ilan Ganot reported routine equity compensation activity and a small tax-related share sale.

Rhea-AI Filing Summary

Solid Biosciences Inc. director Ilan Ganot reported routine equity compensation activity and a small tax-related share sale. On January 27, 2026, previously granted restricted stock units converted one-for-one into common stock, including 389 shares for his wife and 3,884 shares for him.

On January 28, 2026, 191 common shares indirectly held through his wife were sold at $6.59 per share to cover withholding taxes under a pre-established automatic sell-to-cover instruction and were not a discretionary trade. Following these events, he beneficially owns 95,255 shares individually, 4,042 shares jointly with Annie Ganot, 17,476 shares indirectly through his wife, and 19,394 shares through the Ilan Ganot 2017 Irrevocable Trust.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 6 txns

Insider Ganot Ilan

Role Director

Sold 191 shs ($1K)

Approx. gross sale proceeds $1K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Sale	Common Stock	191	$6.59	$1K
Exercise	Restricted Stock Units	389	$0.00	$0.00
Exercise	Restricted Stock Units	3,884	$0.00	$0.00
Exercise	Common Stock	389	$0.00	$0.00
Exercise	Common Stock	3,884	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 0 contracts (Indirect, Wife); Restricted Stock Units — 0 contracts (Direct); Common Stock — 17,476 shares (Indirect, Wife); Common Stock — 99,297 shares (Direct); Common Stock — 19,394 shares (Indirect, See Footnote)

Footnotes (6)

1. F1. Restricted stock units convert into common stock on a one-for-one basis.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.

FAQ

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

What insider transactions did SLDB director Ilan Ganot report?

Ilan Ganot reported RSU conversions into common stock and a small related share sale. On January 27, 2026, 389 shares for his wife and 3,884 shares for him were issued from vested restricted stock units, followed by a 191-share tax-cover sale on January 28, 2026.

How many Solid Biosciences (SLDB) shares were sold and at what price?

A total of 191 Solid Biosciences common shares were sold at $6.59 per share. These shares were indirectly held through Ilan Ganot’s wife and were sold specifically to cover withholding taxes following RSU vesting under a durable automatic sales instruction letter.

What RSU vesting and conversions did Ilan Ganot disclose for SLDB?

The filing shows conversion of previously granted restricted stock units into common stock on a one-for-one basis. On January 27, 2026, 389 RSUs related to his wife and 3,884 RSUs held directly by him converted into an equal number of Solid Biosciences common shares at a $0.00 exercise price.

How many SLDB shares does Ilan Ganot beneficially own after these transactions?

After the reported transactions, Ilan Ganot beneficially owns 95,255 Solid Biosciences shares individually and 4,042 shares jointly with Annie Ganot, plus 17,476 shares indirectly through his wife and 19,394 shares held in the Ilan Ganot 2017 Irrevocable Trust dated March 3, 2017.

Was the 191-share SLDB sale by Ilan Ganot or his wife discretionary?

The 191-share sale was not a discretionary trade by Ms. Ganot. It was executed to cover withholding taxes after RSU vesting, under a durable automatic sales instruction letter adopted on September 25, 2024, effecting a sell-to-cover election for the vested restricted stock units.

How do the reported SLDB restricted stock units convert into common shares?

The restricted stock units convert into Solid Biosciences common stock on a one-for-one basis. Grants made on January 27, 2022 vest in four equal annual installments on the grant-date anniversary, and vested units shown in this filing converted into the same number of common shares at no exercise cost.

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

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Accepted by SEC EDGAR 01/30/2026 - 04:05 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^*

Ganot Ilan

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/27/2026

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	01/27/2026		M		389	A	(1)	17,667	I	Wife
Common Stock	01/28/2026		S(2)		191(2)	D	$6.59	17,476	I	Wife
Common Stock	01/27/2026		M		3,884	A	(1)	99,297	D(3)
Common Stock								19,394	I	See Footnote(4)

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
Restricted Stock Units	(1)	01/27/2026		M			389	(5)	(5)	Common Stock	389	$0.00	0	I	Wife
Restricted Stock Units	(1)	01/27/2026		M			3,884	(6)	(6)	Common Stock	3,884	$0.00	0	D

Explanation of Responses:

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

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

	/s/ Kimberly Cornwell as attorney-in-fact for Ilan Ganot	01/29/2026
	** Signature of Reporting Person	Date
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