CUMBO ALEXANDER

PrivateCIK: 1685994
Location

CAMBRIDGE, MA

CUMBO ALEXANDER (President and CEO) sold 6.6% of their position (16.64K shares) of SOLID BIOSCIENCES INC. on the open market

Open‑market sale worth $96.9K — a moderate 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
-16.64K
Net shares
Net seller
$96.9K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
30.03K acquired · 46.67K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+30.03K

Price / share

Trade value

% of position

13.5%
2/13/2026
222.02K252.05K

Common Stock

Direct
S · Sale

Shares

16.64K

Price / share

$5.82

Trade value

$96.92K

% of position

6.6%
2/18/2026
252.05K235.41K
Total

Net shares

+13.39K

Net value

-$96.92K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

30.30K shares

Shares

30.03K

Strike price

Held after

60.06K

Exercisable

2/13/2026
CUMBO ALEXANDER — Insider Transaction (Form 4) Filed Feb 18, 2026 | Finecho