BROOKS GABRIEL

PrivateCIK: 1997809
Location

CHARLESTOWN, MA

BROOKS GABRIEL (Chief Medical Officer) sold 7.9% of their position (2.90K shares) of SOLID BIOSCIENCES INC. on the open market

Open‑market sale worth $17.3K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderBROOKS GABRIELCIK 1997809
IssuerSOLID BIOSCIENCES INC.CIK 1707502
Officer· Chief Medical Officer
Since Feb 2026
-2.90K
Net shares
Net seller
$17.3K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
9.75K acquired · 12.64K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+9.75K

Price / share

Trade value

% of position

36.2%
10/18/2025
26.96K36.71K

Common Stock

Direct
S · Sale

Shares

2.90K

Price / share

$5.96

Trade value

$17.25K

% of position

7.9%
10/20/2025
36.71K33.82K
Total

Net shares

+6.86K

Net value

-$17.25K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

9.75K shares

Shares

9.75K

Strike price

Held after

19.50K

Exercisable

10/18/2025
BROOKS GABRIEL — Insider Transaction (Form 4) Filed Oct 21, 2025 | Finecho