Herzich Paul 4

4 · Solid Biosciences Inc. · Filed Feb 18, 2026

AI-generated summary of this filing

Updated Feb 19, 2026

Solid Biosciences (SLDB) CTO Paul Herzich Sells Shares

What Happened

Paul Herzich, Chief Technology Officer of Solid Biosciences (SLDB), had 7,187 restricted stock units (RSUs) convert to common shares on 2026-02-13. Those RSUs vested and converted with no cash exercise price.
Following the vesting, 3,616 shares were sold in the open market on 2026-02-18 at a weighted average price of $5.82, generating approximately $21,057. The sale was a sell-to-cover to satisfy withholding taxes and was not a discretionary trade.

Key Details

Transaction dates: RSU conversion (vest) on 2026-02-13; open-market sale on 2026-02-18.
Sale price: weighted average $5.82; reported sale prices ranged from $5.23 to $6.14.
Shares involved: 7,187 RSUs converted; 3,616 shares sold to cover taxes.
Shares owned after the transactions: not disclosed in this Form 4.
Notable footnotes: RSUs represent contingent rights to one share each (F1); sale was automatic sell-to-cover per durable instruction adopted Aug 16, 2024 (F2); RSUs granted Feb 13, 2024 vest 25% annually over four years (F4).
Filing timing: Form 4 filed 2026-02-18 reporting the 2/13 vesting and the 2/18 sale. The 2/13 conversion was reported five days later and may be outside the standard two-business-day reporting window.

Context

This was a conversion of vested RSUs (derivative conversion) followed by an automatic sell-to-cover to pay withholding—common and typically routine for executives when equity awards vest.
The transactions do not indicate a discretionary sell motivated by company outlook; they relate to tax withholding. Purchases generally carry more signal for bullish insider sentiment than routine sell-to-cover transactions.

Form 4

Period: 2026-02-13

Chief Technology Officer

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-02-13+7,187→ 76,254 total
Sale
Common Stock
[F2][F3]
2026-02-18$5.82/sh−3,616$21,057→ 72,638 total
Exercise/Conversion
Restricted Stock Units
[F1][F4]
2026-02-13−7,187→ 14,376 total
→ Common Stock (7,187 underlying)

Footnotes (4)

[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. Herzich on August 16, 2024 effecting the sell-to-cover election. The sale does not represent a discretionary trade by Mr. Herzich.
[F3]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.23 to $6.14, 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.
[F4]The RSUs were granted on February 13, 2024 (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.

Signature

/s/ Kimberly Cornwell as attorney-in-fact for Paul Herzich|2026-02-18

1 file