Sionna Therapeutics, Inc. · NASDAQ:SION

Thompson Peter A. sold 55,345 Sionna Therapeutics, Inc. shares (Form 4)

Traded Apr 17 to Apr 18, 2026 · Filed Apr 21, 2026

From Apr 17 to Apr 18, 2026, Thompson Peter A. (Director) sold 55,345 Sionna Therapeutics, Inc. shares at an average US$44.67 for US$2.47M under a trading plan, leaving 2,964,774 shares. Filed Apr 21, 2026 (Form 4).

Sold
55,345 shares
Price
US$44.67 average (US$44.52 to US$44.68)
Value
US$2.47M
Holding after
2,964,774 shares (held indirectly)
Trading plan
Yes (Made under a plan set in advance)
Role
Director

The filing in full

DateSecurityTransactionSharesPriceHolding afterOwnership
Apr 17, 2026Common StockSale52,397US$44.682,967,722Indirect
Apr 18, 2026Common StockSale2,948US$44.522,964,774Indirect

Source

View original at SEC

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