← Latest Filings
C
Cloonan Michael
Open-market buys
0
$0 total
Open-market sells
4
$3.6M total
Tracking since
Oct 2025
Activity timeline
Open-market sale — $1.3M
Sionna Therapeutics, Inc. · Oct 21, 2025
Open-market sale — $838K
Sionna Therapeutics, Inc. · Oct 21, 2025
Open-market trades from the last two years.
Holdings as last reported
765,393 Common Stock in SION
Held directly · as of 2026-09-17
436,100 Non-Qualified Stock Option (right to buy) in SION
Held directly · as of 2026-09-17
Companies touched
Sionna Therapeutics, Inc.
CIK 0002036042
