HOWTON DAVID T

PrivateCIK: 1529297
Location

CAMBRIDGE, MA

HOWTON DAVID T (Chief Operating Officer) sold 6.6% of their position (7.47K shares) of SOLID BIOSCIENCES INC. on the open market

Open‑market sale worth $43.5K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHOWTON DAVID TCIK 1529297
IssuerSOLID BIOSCIENCES INC.CIK 1707502
Officer· Chief Operating Officer
Since Feb 2026
-7.47K
Net shares
Net seller
$43.5K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
14.69K acquired · 22.16K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+14.69K

Price / share

Trade value

% of position

15.0%
2/13/2026
97.86K112.55K

Common Stock

Direct
S · Sale

Shares

7.47K

Price / share

$5.82

Trade value

$43.49K

% of position

6.6%
2/18/2026
112.55K105.08K
Total

Net shares

+7.22K

Net value

-$43.49K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

14.69K shares

Shares

14.69K

Strike price

Held after

29.38K

Exercisable

2/13/2026
HOWTON DAVID T — Insider Transaction (Form 4) Filed Feb 18, 2026 | Finecho