Booth Bruce
- SEC CIK
- 0001451612
In the past year, 16 open-market sale filings worth $248.1M and no purchases.
Current role at each company
- KYMR Kymera Therapeutics, Inc.Directoras of Jul 2, 2026
- SION Sionna Therapeutics, Inc.Directoras of Jun 18, 2026
- VIGL Vigil Neuroscience, Inc.Directoras of Aug 5, 2025
- TECX Tectonic Therapeutic, Inc.Directoras of Jun 8, 2023
- DNTH Dianthus Therapeutics, Inc.Directoras of Jun 30, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $248.1M
- 16 filings
- Net
- −$248.1M
- Bought minus sold
- Companies
- 2
- With open-market trades
Trades
Every Form 4 that lists Booth Bruce as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
KYMR Kymera Therapeutics, Inc.
Director24 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2021 (view filing) | Aug 11 | 1 day | Booth BruceDirector | SSale | −242.1K | $61.00 | −$14.8M | −100.0%0 after | |
| Nov 1, 2022 (view filing) | Oct 28-Nov 1 | 4 days | Booth BruceDirector | SSale | −288.7K | $30.26 | −$8.74M | −21.6%1.05M after | 8 lots |
| Nov 4, 2022 (view filing) | Nov 2-3 | 2 days | Booth BruceDirector | SSale | −220.0K | $30.01 | −$6.60M | −18.0%1.00M after | 4 lots |
| Dec 16, 2022 (view filing) | Dec 14-15 | 2 days | Booth BruceDirector | SSale | −382.2K | $31.36 | −$12.0M | −29.4%917.8K after | 12 lots |
| Jan 13, 2023 (view filing) | Jan 11-12 | 2 days | Booth BruceDirector | SSale | −126.5K | $30.22 | −$3.82M | −12.4%890.1K after | 4 lots |
| Mar 13, 2024 (view filing) | Mar 11-13 | 2 days | Booth BruceDirector | SSale | −353.4K | $42.20 | −$14.9M | −29.9%828.8K after | 12 lots10b5-1 |
| Mar 15, 2024 (view filing) | Mar 14-15 | 1 day | Booth BruceDirector | SSale | −127.4K | $40.25 | −$5.13M | −13.6%806.7K after | 11 lots10b5-1 |
| Mar 15, 2024 (view filing) | Mar 14 | 1 day | Booth BruceDirector | SSale | −154 | $41.51 | −$6.39K | 0.0%819.2K after | 10b5-1 |
| Jun 14, 2024 (view filing) | Jun 12-13 | 2 days | Booth BruceDirector | SSale | −26.9K | $35.27 | −$950.2K | −3.2%802.0K after | 6 lots10b5-1 |
| Jul 9, 2024 (view filing) | Jul 9 | Same day | Booth BruceDirector | SSale | −454.0K | $38.21 | −$17.3M | −38.6%723.2K after | 10 lots10b5-1 |
SION Sionna Therapeutics, Inc.
Director6 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 10, 2025 (view filing) | Feb 10 | Same day | Booth BruceDirector | PPurchase | +60.0K | $18.00 | +$1.08M | +8.0%807.7K after | |
| Oct 1, 2025 (view filing) | Sep 29-Oct 1 | 2 days | Booth BruceDirector | SSale | −78.7K | $30.08 | −$2.37M | −9.0%794.1K after | 6 lots10b5-1 |
| Oct 7, 2025 (view filing) | Oct 3-6 | 4 days | Booth BruceDirector | SSale | −49.5K | $29.99 | −$1.49M | −5.9%785.5K after | 4 lots10b5-1 |
| Oct 15, 2025 (view filing) | Oct 10-15 | 5 days | Booth BruceDirector | SSale | −194.9K | $30.47 | −$5.94M | −20.6%751.7K after | 12 lots10b5-1 |
| Oct 20, 2025 (view filing) | Oct 16-20 | 4 days | Booth BruceDirector | SSale | −286.4K | $32.30 | −$9.25M | −29.0%702.0K after | 18 lots10b5-1 |
| Oct 21, 2025 (view filing) | Oct 21 | Same day | Booth BruceDirector | SSale | −88.9K | $34.22 | −$3.04M | −11.5%686.6K after | 10 lots10b5-1 |
VIGL Vigil Neuroscience, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 11, 2022 (view filing) | Jan 11 | Same day | Booth BruceDirector | PPurchase | +535.0K | $14.00 | +$7.49M | +12.5%4.81M after |