Bruce Booth, Director at Sionna Therapeutics, Inc. (SION), sold 176,446 shares at $35.69 ($6.0M) on 2025-10-21, disclosed to the SEC on 2025-10-21.
Scheduled sale ($6.0M) by Director under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $32.69 | 22,339 | $730K | 12.1% |
| 2 | $32.69 | 4,688 | $153K | 2.5% |
| 3 | $32.69 | 4,688 | $153K | 2.5% |
| 4 | $32.69 | 22,339 | $730K | 12.1% |
| 5 | $33.87 | 19,948 | $676K | 11.2% |
| 6 | $33.87 | 19,948 |
| $676K |
| 11.2% |
| 7 | $33.87 | 4,187 | $142K | 2.3% |
| 8 | $33.87 | 4,187 | $142K | 2.3% |
| 9 | $34.91 | 1,210 | $42K | 0.7% |
| 10 | $34.91 | 5,763 | $201K | 3.3% |
| 11 | $34.91 | 5,763 | $201K | 3.3% |
| 12 | $35.69 | 25,327 | $904K | 15.0% |
| 13 | $35.69 | 5,316 | $190K | 3.1% |
| 14 | $35.69 | 5,316 | $190K | 3.1% |
| 15 | $35.69 | 25,327 | $904K | 15.0% |
| 16 | $36.42 | 17 | $619 | 0.0% |
| 17 | $36.42 | 83 | $3K | 0.1% |
| Total | $34.22 avg | 176,446 | $6.0M | 100% |
| Filing → |
| KYMR | SELL | 2026-06-30 | $3.4M | — | Filing → |
| KYMR | SELL | 2026-06-25 | $34.8M | — | Filing → |
| KYMR | SELL | 2026-06-25 | $44.0M | — | Filing → |