Elena Ridloff insider trades

Open-market stock purchases and sales by Elena Ridloff, CFO and CBO at Sionna Therapeutics, Inc, from SEC Form 4 filings since Apr 1, 2019.

Recent trades

DateStockTradeValue
Sep 17, 2026SION Sionna Therapeutics, IncBought (not open market)—
Sep 17, 2026SION Sionna Therapeutics, IncBought (not open market)—
Sep 17, 2026SION Sionna Therapeutics, IncBought (not open market)—
Sep 17, 2026SION Sionna Therapeutics, IncSold (not open market)—
Jun 24, 2026KYMR Kymera Therapeutics, IncBought (not open market)—
May 11, 2026KYMR Kymera Therapeutics, IncSold$261K
May 11, 2026KYMR Kymera Therapeutics, IncBought (not open market)—
Apr 1, 2026KYMR Kymera Therapeutics, IncBought (not open market)—
Apr 1, 2026KYMR Kymera Therapeutics, IncSold$290K
Apr 1, 2026KYMR Kymera Therapeutics, IncSold$103K
Mar 31, 2026KYMR Kymera Therapeutics, IncBought (not open market)—
Mar 31, 2026KYMR Kymera Therapeutics, IncSold$632K
Jan 2, 2026SION Sionna Therapeutics, IncBought (not open market)—

Companies traded

  • SION Sionna Therapeutics, Inc: 7 sales, last Sep 17, 2026
  • KYMR Kymera Therapeutics, Inc: 7 sales, last Jun 24, 2026
  • KRON Kronos Bio, Inc: 1 buy, last Jun 20, 2025
  • ACAD Acadia Pharmaceuticals Inc: 8 sales, last Apr 30, 2021

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