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Sionna Therapeutics SION

Ridloff Elena (Officer) plans to sell 34,500 SION shares, about $737,955

Form
144
Filed
Importance
Routine
Document
Form 144
  1. Approximate sale date: Aug 19, 2025
  2. Broker: Morgan Stanley Smith Barney LLC Executive Financial Services
  3. Shares acquired by: Previously Exercised Stock Options
  4. 10b5-1 plan adopted: May 20, 2025

All of Ridloff Elena's insider filings, holdings and planned sales

Form 4s that likely executed this notice (SEC Tracker's match by person, company, dates and shares):

  • Sold 34,500 shares at $21.08 on Aug 19, 2025 · Form 4

Written from the Form 144 on EDGAR. Check the filing before you rely on it.

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