CUMBO ALEXANDER

PrivateCIK: 1685994
Location

CAMBRIDGE, MA

CUMBO ALEXANDER (President and CEO) sold 18.1% of their position (48.91K shares) of SOLID BIOSCIENCES INC. on the open market

Open‑market sale worth $315.1K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderCUMBO ALEXANDERCIK 1685994
IssuerSOLID BIOSCIENCES INC.CIK 1707502
DirectorOfficer· President and CEO
Since Feb 2026
-48.91K
Net shares
Net seller
$315.1K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
48.91K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

48.91K

Price / share

$6.44

Trade value

$315.09K

% of position

18.1%
2/4/2026
270.93K222.02K
Total

Net shares

48.91K

Net value

-$315.09K

Derivative Transactions0
No derivative transactions reported
CUMBO ALEXANDER — Insider Transaction (Form 4) Filed Feb 6, 2026 | Finecho