SEC Form 4 insider trading filings tracked in real time from EDGAR

Cloonan Michael — President & CEO

Insider trading activity for Cloonan Michael sourced from SEC EDGAR Form 4 filings.

Overview

  • Title: President & CEO
  • Company: Sionna Therapeutics, Inc.
  • Total insider trades: 4
  • Total buy volume: $0
  • Total sell volume: $0
  • Last trade: Sep 18, 2026

Recent Trades

DateInsiderTicker / Company TypeSharesValue
Sep 17, 2026 Cloonan Michael SION Sionna Therapeutics, Inc. SELL 436,100 N/A
Sep 17, 2026 Cloonan Michael SION Sionna Therapeutics, Inc. BUY 436,100 N/A
Sep 17, 2026 Cloonan Michael SION Sionna Therapeutics, Inc. BUY 109,025 N/A
Sep 17, 2026 Cloonan Michael SION Sionna Therapeutics, Inc. BUY 109,025 N/A

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