Booth Bruce
SEC Form 4 insider trading activity
Booth Bruce has filed 16 SEC Form 4 filings (215 transaction rows) across 1 company, with disclosures dating back to 2025. 11 of those filings fall inside the rolling window. Most recent filing: Jul 2, 2026.
On the most recent filing, Booth Bruce is listed as Director at Kymera Therapeutics, Inc. Inside the rolling window, Booth Bruce reported no open-market purchases and 15 open-market sales totaling $226.0M in KYMR. The largest disclosed transaction in the window is a sale of 548,321 KYMR shares on Jun 25, 2026, worth $65.1M.
Companies traded
Other insiders at KYMR
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$226.0M
reported sales (SEC code S)
Companies
1
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 ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Oct 21, 2025 | SION | Sale | $619 |
| Oct 21, 2025 | SION | Sale | $3K |
| Oct 21, 2025 | SION | Sale | $190K |
| Oct 21, 2025 | SION | Sale | $904K |
| Oct 21, 2025 | SION | Sale | $42K |
| Oct 21, 2025 | SION | Sale | $201K |
| Oct 21, 2025 | SION | Sale | $142K |
| Oct 21, 2025 | SION | Sale | $676K |
| Oct 21, 2025 | SION | Sale | $153K |
| Oct 21, 2025 | SION | Sale | $730K |
| Oct 20, 2025 | SION | Sale | $175K |
| Oct 20, 2025 | SION | Sale | $834K |
| Oct 20, 2025 | SION | Sale | $137K |
| Oct 20, 2025 | SION | Sale | $651K |
| Oct 17, 2025 | SION | Sale | $2K |
| Oct 17, 2025 | SION | Sale | $8K |
| Oct 17, 2025 | SION | Sale | $147K |
| Oct 17, 2025 | SION | Sale | $702K |
| Oct 17, 2025 | SION | Sale | $194K |
| Oct 17, 2025 | SION | Sale | $925K |
| Oct 16, 2025 | SION | Sale | $90K |
| Oct 16, 2025 | SION | Sale | $430K |
| Oct 16, 2025 | SION | Sale | $505K |
| Oct 16, 2025 | SION | Sale | $2.4M |
| Oct 16, 2025 | SION | Sale | $300K |
Frequently asked questions
How many SEC Form 4 filings has Booth Bruce made?
Booth Bruce has filed 16 SEC Form 4 filings (215 transaction rows) across 1 company since 2025.
Which companies does Booth Bruce trade?
Booth Bruce has filed SEC Form 4 disclosures for 1 company, including KYMR.
When was Booth Bruce's most recent SEC Form 4 filing?
Booth Bruce's most recent SEC Form 4 filing on Tracefour is dated Jul 2, 2026.
What is Booth Bruce's total buy and sell value in the current window?
Inside the rolling retention window, Booth Bruce bought $0 and sold $226.0M based on SEC Form 4 filings.
What was Booth Bruce's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 548,321 KYMR shares on 2026-06-25, worth $65.1M, per SEC Form 4 filings.