SLDB Form 144: Affiliate Sells RSU-Settled Common Stock

Solid Biosciences (SLDB) reporting person submitted a Form 144 to sell Common Stock tied to the settlement of vested restricted stock units held indirectly through his spouse on 02/18/2026.

Rhea-AI Filing Summary

Solid Biosciences (SLDB) reporting person submitted a Form 144 to sell Common Stock tied to the settlement of vested restricted stock units held indirectly through his spouse on 02/18/2026. The filing lists prior sales in 01/05/2026, 01/28/2026, and 02/04/2026 with share amounts and aggregate values included.

Insights

Insider Transactions Analyst

Form 144 discloses affiliate sales following RSU settlement; amounts are routine compensation-related disposals.

The filing shows the settlement of vested restricted stock units indirectly held through the reporting person's spouse on 02/18/2026. It documents prior reported sales: 1,053 shares (5717.79) on 01/05/2026, 191 shares (1258.69) on 01/28/2026, and 7,205 shares (46411.95) on 02/04/2026.

These items are compensation-origin and not a corporate action; cash-flow treatment and any limits are not stated in the excerpt. Subsequent filings may provide settlement mechanics or broker details.

FAQ

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

What does Solid Biosciences' (SLDB) Form 144 report?

It reports a proposed sale of Common Stock tied to the settlement of vested RSUs held indirectly through the reporting person’s spouse on 02/18/2026. The filing also lists prior sales on 01/05/2026, 01/28/2026, and 02/04/2026.

How many shares and values are listed in the prior sales on the Form 144?

The excerpt lists 1,053 shares for $5,717.79 on 01/05/2026, 191 shares for $1,258.69 on 01/28/2026, and 7,205 shares for $46,411.95 on 02/04/2026, as shown in the filing.

Were the securities sold directly by the reporting person or indirectly?

The filing states the securities were settled and held indirectly by the reporting person through his wife, Ms. Ganot, with the settlement date noted as 02/18/2026 for the disclosed RSU-related shares.

Does the Form 144 indicate the purpose of the sales?

The excerpt identifies the transactions as resulting from the settlement of vested restricted stock units and labels the category as Compensation. No other purpose or use of proceeds is provided in the excerpt.

On which exchange are the reported shares listed?

The filing shows the Common Stock is listed on NASDAQ. The excerpt associates the security with Common Stock and includes the exchange designation as NASDAQ in the securities information.

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

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Accepted by SEC EDGAR 02/18/2026 - 09:31 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001727460
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Solid Biosciences Inc.
SEC File Number	001-38360
Address of Issuer	500 Rutherford Avenue Charlestown MASSACHUSETTS 02129
Phone	(617)-337-4680
Name of Person for Whose Account the Securities are To Be Sold	Ganot Ilan
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	ETRADE FINANCIAL CORPORATION 3 EDISON DRIVE ALPHARETTA GA 30005	2658	15748.33	83412695	02/18/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	02/18/2026	Settlement of vested restricted stock units indirectly held by the reporting person through his wife, Ms. Ganot	Issuer			2658	02/18/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Ganot Ilan C/O SOLID BIOSCIENCES INC. 500 Rutherford Avenue Charlestown MA 02129	Common Stock	01/05/2026	1053	5717.79
Ganot Ilan C/O SOLID BIOSCIENCES INC. 500 Rutherford Avenue Charlestown MA 02129	Common Stock	01/28/2026	191	1258.69
Ganot Ilan C/O SOLID BIOSCIENCES INC. 500 Rutherford Avenue Charlestown MA 02129	Common Stock	02/04/2026	7205	46411.95

144: Remarks and Signature

Remarks	This sale was made to cover withholding taxes following the vesting of 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. This sale does not represent a discretionary trade by Ms. Ganot.
Date of Notice	02/18/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/25/2024
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Kimberly Cornwell as attorney-in-fact for Ilan Ganot
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)