THOMPSON PETER A.

PrivateCIK: 1357522
Location

NEW YORK, NY

THOMPSON PETER A. sold 0.0% of their position (101.00 shares) of SIONNA THERAPEUTICS, INC. on the open market

Open‑market sale worth $4.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderTHOMPSON PETER A.CIK 1357522
IssuerSIONNA THERAPEUTICS, INC.CIK 2036042
Director
Since Feb 2026
-101.00
Net shares
Net seller
$4.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
101.00 disposed
Non-Derivative Transactions1

Common Stock

Indirect
S · Sale

Shares

101.00

Price / share

$44.49

Trade value

$4.49K

% of position

0.0%
5/27/2026
2.67M2.67M
Total

Net shares

101.00

Net value

-$4.49K

Derivative Transactions0
No derivative transactions reported
THOMPSON PETER A. — Insider Transaction (Form 4) Filed May 30, 2026 | Finecho