Earnings Feed
Start Free
Sionna Therapeutics, Inc.·4

Jul 2, 4:45 PM ET

Thompson Peter A. 4

Research Summary

AI-generated summary

Updated

Sionna (SION) Director Peter A. Thompson Sells 115,844 Shares

What Happened

  • Peter A. Thompson, reported as a director and a member of OrbiMed Advisors, disposed of 115,844 Sionna Therapeutics (SION) shares on June 30, 2026. The shares were sold at $45.50 each for a total proceeds of $5,270,902. The filing indicates the sale was made pursuant to a 10b5-1 plan (pre-arranged automatic sales).

Key Details

  • Transaction date and price: 2026-06-30 — 115,844 shares sold at $45.50/share.
  • Total value: $5,270,902.
  • Transaction type: Sale (open market or private sale; reported with code S).
  • Shares owned after transaction: Not specified in the Form 4 provided.
  • Notable footnotes:
    • F1: Sale executed pursuant to a 10b5-1 plan (preplanned sale program).
    • F2–F3: The securities are held of record by OrbiMed Private Investments VIII, LP (OPI VIII). OrbiMed Capital GP VIII LLC and OrbiMed Advisors have relationships that may give them voting/investment power; Thompson is a member of OrbiMed Advisors. The parties disclaim beneficial ownership except to the extent of any pecuniary interest.
  • Filing timeliness: Report filed July 2, 2026 for a June 30, 2026 transaction (appears to be timely under Form 4 rules).

Context

  • Sales made under a 10b5-1 plan are typically prearranged and do not necessarily reflect current sentiment. This report is associated with an institutional structure (OrbiMed entities) rather than a personal, discretionary trade by a company executive.