THOMPSON PETER A.

PrivateCIK: 1357522
Location

NEW YORK, NY

THOMPSON PETER A. sold 2.9% of their position (108.07K shares) of SIONNA THERAPEUTICS, INC. on the open market

Open‑market sale worth $4.81M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderTHOMPSON PETER A.CIK 1357522
IssuerSIONNA THERAPEUTICS, INC.CIK 2036042
Director
Since Feb 2026
-108.07K
Net shares
Net seller
$4.81M
Total sold
3
Open market trades
0B · 3S
3
Total transactions
108.07K disposed
Non-Derivative Transactions3

Common Stock

Indirect
S · Sale

Shares

94.58K

Price / share

$44.54

Trade value

$4.21M

% of position

2.6%
11/24/2025
3.70M3.61M

Common Stock

Indirect
S · Sale

Shares

11.89K

Price / share

$44.60

Trade value

$530.29K

% of position

0.3%
11/25/2025
3.61M3.60M

Common Stock

Indirect
S · Sale

Shares

1.60K

Price / share

$44.49

Trade value

$71.18K

% of position

0.0%
11/26/2025
3.60M3.60M
Total

Net shares

108.07K

Net value

-$4.81M

Derivative Transactions0
No derivative transactions reported
THOMPSON PETER A. — Insider Transaction (Form 4) Filed Nov 26, 2025 | Finecho