Acquisition (code A) of 47,269 shares at $0.0 per share.
Reporting Person Ridloff Elena · Officer Title CFO and CBO · Transaction Code A
Traded Sep 17, 2026 · Disclosed Sep 18, 2026
Source: SEC Form 4 · 0001772518-26-000004 · filed 2026-09-18 · View filing →
Composed from the Form 4 as filed with the SEC. Share counts, prices and dates are the filing's own; the disclosure lag is counted in business days from the transaction date to the filing date. What is a Form 4?
Cite this card
Desq Long. "Sionna Therapeutics, Inc. (SION)." Disclosed 2026-09-18. https://desqlong.com/cards/0001772518-26-000004-1 (retrieved 2026-09-26).