Booth Bruce
SEC Form 4 insider trading activity
Booth Bruce has filed 16 SEC Form 4 filings (215 transaction rows) across 2 companies, including KYMR, SION, with disclosures dating back to 2025. 16 of those filings fall inside the rolling window. Most recent filing: Jul 2, 2026.
Companies traded
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$248.1M
reported sales (SEC code S)
Companies
2
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| KYMR | Director | Sale | 153,300 | $16.6M | Jul 2 | SEC ↗ | |
| KYMR | Director | Sale | 467,878 | $51.6M | Jun 30 | SEC ↗ | |
| KYMR | Director | Sale | 548,321 | $65.1M | Jun 26 | SEC ↗ | |
| KYMR | Director | Sale | 1,408 | $141K | Jun 26 | SEC ↗ | |
| KYMR | Director | Sale | 134,720 | $13.5M | Jun 26 | SEC ↗ | |
| KYMR | Director | Sale | 278,128 | $27.6M | Jun 23 | SEC ↗ | |
| KYMR | Director | Sale | 116,812 | $10.6M | Jun 23 | SEC ↗ | |
| KYMR | Director | Sale | 115,056 | $10.5M | Jun 23 | SEC ↗ | |
| KYMR | Director | Sale | 6,000 | $540K | Apr 24 | SEC ↗ | |
| KYMR | Director | Sale | 4,159 | $374K | Apr 16 | SEC ↗ | |
| KYMR | Director | Sale | 5,335 | $480K | Apr 16 | SEC ↗ | |
| KYMR | Director | Sale | 81,866 | $7.4M | Mar 4 | SEC ↗ | |
| KYMR | Insider | Sale | 229,809 | $21.1M | Dec 12 | SEC ↗ | |
| KYMR | Insider | Sale | 6,101 | $557K | Dec 12 | SEC ↗ | |
| KYMR | Insider | Sale | 678 | $62K | Dec 12 | SEC ↗ | |
| SION | Insider | Sale | 88,878 | $3.0M | Oct 21 | SEC ↗ | |
| SION | Insider | Sale | 169,260 | $5.5M | Oct 20 | SEC ↗ | |
| SION | Insider | Sale | 61,124 | $2.0M | Oct 20 | SEC ↗ | |
| SION | Insider | Sale | 55,985 | $1.8M | Oct 20 | SEC ↗ | |
| SION | Insider | Sale | 20,238 | $607K | Oct 15 | SEC ↗ | |
| SION | Insider | Sale | 58,232 | $1.8M | Oct 15 | SEC ↗ | |
| SION | Insider | Sale | 606 | $18K | Oct 15 | SEC ↗ | |
| SION | Insider | Sale | 115,856 | $3.5M | Oct 15 | SEC ↗ | |
| SION | Director | Sale | 37,746 | $1.1M | Oct 7 | SEC ↗ | |
| SION | Director | Sale | 11,800 | $353K | Oct 7 | SEC ↗ | |
| SION | Director | Sale | 66,105 | $2.0M | Oct 1 | SEC ↗ | |
| SION | Director | Sale | 12,388 | $372K | Oct 1 | SEC ↗ | |
| SION | Director | Sale | 200 | $6K | Oct 1 | SEC ↗ |