Peter A. Thompson, Director at Sionna Therapeutics, Inc. (SION), bought 3,704,959 shares at $18.00 ($9.9M) on 2025-02-10, disclosed to the SEC on 2025-02-10.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $0.00 | 3,154,959 | $0 | 0.0% |
| 2 | $18.00 | 550,000 | $9.9M | 100.0% |
| Total | $2.67 avg | 3,704,959 | $9.9M | 100% |
| Filing → |
| SION | SELL | 2026-05-29 | $4K | — | Filing → |
| SION | SELL | 2026-05-11 | $13.4M | — | Filing → |
| SION | SELL | 2026-04-21 | $2.5M | — | Filing → |