SION
Sionna Therapeutics, Inc. · 8 Form 4 · free tier: 48h delay
Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).
For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.
Recent Form 4 trades
Open-market purchases and sales
SION · Trade · Sep 17, 2026 · Filed · Sep 21, 2026 · filed 4 days after trade · Sionna Therapeutics, Inc.
$21,835,018
3,448,811 sh · 2 tx
SION · Trade · Jul 7, 2026 · Filed · Jul 9, 2026 · filed 2 days after trade · Sionna Therapeutics, Inc.
$3,854,281
85,918 sh
SION · Trade · Jul 7, 2026 · Filed · Jul 9, 2026 · filed 2 days after trade · Sionna Therapeutics, Inc.
$3,854,281
85,918 sh
SION · Trade · Jul 6, 2026 · Filed · Jul 7, 2026 · Sionna Therapeutics, Inc.
$446,862
10,250 sh
SION · Trade · Jun 30, 2026 · Filed · Jul 2, 2026 · filed 2 days after trade · Sionna Therapeutics, Inc.
$5,270,902
115,844 sh
SION · Trade · Jun 30, 2026 · Filed · Jul 2, 2026 · filed 2 days after trade · Sionna Therapeutics, Inc.
$5,270,902
115,844 sh
SION · Trade · May 27, 2026 · Filed · May 29, 2026 · filed 2 days after trade · Sionna Therapeutics, Inc.
$4,493
101 sh