TOP TIERMARKET NEWSWIRE
SEC Form 4 history

SIONNA THERAPEUTICS (SION) insider trades

SIONNA THERAPEUTICS (SION) insider trading activity (SEC Form 4). Over the trailing 90 days, SION insiders filed 0 purchases totalling $0 and 6 sales totalling $40.5M — net SELLING of $40.5M. Most recent filing: Sep 21, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.

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Buys (90d)
0
$0
Sells (90d)
6
$40.5M
Net (90d)
-$40.5M
net selling
Most recent
Sep 21, 2026

Recent transactions

FiledInsiderRoleTypeSharesPriceValue
Sep 21, 2026Ra Capital Management, L.P.Dir, 10%S Sale—$6.33$21.8Mfiling
Jul 9, 2026Thompson Peter A.DirS Sale—$44.86$3.9Mfiling
Jul 9, 2026Orbimed Advisors LLCDirS Sale—$44.86$3.9Mfiling
Jul 7, 2026Fitzpatrick JenniferGCS SaleOE—$43.60$447Kfiling
Jul 2, 2026Thompson Peter A.DirS Sale—$45.50$5.3Mfiling
Jul 2, 2026Orbimed Advisors LLCDirS Sale—$45.50$5.3Mfiling
May 29, 2026Thompson Peter A.DirS Sale—$44.49$4Kfiling
May 29, 2026Orbimed Advisors LLCDirS Sale—$44.49$4Kfiling
May 11, 2026Orbimed Advisors LLCDirS Sale—$45.62$13.4Mfiling
May 11, 2026Thompson Peter A.DirS Sale—$45.62$13.4Mfiling