Ridloff Elena — CFO and CBO
Insider trading activity for Ridloff Elena sourced from SEC EDGAR Form 4 filings.
Overview
- Title: CFO and CBO
- Company: Sionna Therapeutics, Inc.
- Total insider trades: 15
- Total buy volume: $0
- Total sell volume: $1.3M
- Last trade: Sep 18, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 17, 2026 | Ridloff Elena | SION Sionna Therapeutics, Inc. | OTHER | 165,440 | N/A |
| Sep 17, 2026 | Ridloff Elena | SION Sionna Therapeutics, Inc. | OTHER | 165,440 | N/A |
| Sep 17, 2026 | Ridloff Elena | SION Sionna Therapeutics, Inc. | OTHER | 47,268 | N/A |
| Sep 17, 2026 | Ridloff Elena | SION Sionna Therapeutics, Inc. | OTHER | 47,269 | N/A |
| Jun 24, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | OTHER | 6,068 | N/A |
| May 11, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | OTHER | 3,000 | N/A |
| May 11, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | SELL | 3,000 | $261K |
| May 11, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | OTHER | 3,000 | $94K |
| Apr 1, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | OTHER | 4,600 | N/A |
| Mar 31, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | OTHER | 7,400 | N/A |
| Apr 1, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | SELL | 1,200 | $103K |
| Apr 1, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | SELL | 3,400 | $290K |
| Apr 1, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | OTHER | 4,600 | $65K |
| Mar 31, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | SELL | 7,400 | $632K |
| Mar 31, 2026 | Ridloff Elena | KYMR Kymera Therapeutics, Inc. | OTHER | 7,400 | $105K |