Booth Bruce
SEC Form 4 insider trading activity
Booth Bruce has filed 11 SEC Form 4 filings (192 transaction rows) across 2 companies, including KYMR, SION, with disclosures dating back to 2025. 11 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
$235.5M
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 | 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 ↗ |