- Corporate Officers - B
- Booth Bruce
Insider Trading History of Booth Bruce
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Booth Bruce since 2018.
This trader's CIK number is 1451612.
At the time of last reporting, Booth Bruce was the Officer of Sionna Therapeutics, Inc.. (stock ticker symbol SION).
Also see all insider trading activities at Sionna Therapeutics, Inc..
Note that in the past
Booth Bruce also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Tectonic Therapeutic, Inc. (AVRO) by Booth Bruce
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | AVRO | 810,811 | $15,000,003 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Cogent Biosciences, Inc. (UMRX) by Booth Bruce
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | UMRX | 94,052 | $1,128,624 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Dianthus Therapeutics, Inc. /de/ (MGTA) by Booth Bruce
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | MGTA | 1,250,000 | $10,000,000 | 0 | $0 | 0 | $0 |
| 2019 | MGTA | 0 | $0 | 14,245 | $254,415 | 0 | $0 |
Yearly summary of insider trading at Sionna Therapeutics, Inc. (SION) by Booth Bruce
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | SION | 60,000 | $1,080,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Viridian Therapeutics, Inc.\de (MGEN) by Booth Bruce
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | MGEN | 545,454 | $2,999,997 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Kymera Therapeutics, Inc. (KYMR) by Booth Bruce
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | KYMR | 0 | $0 | 961,800 | $38,114,187 | 0 | $0 |
| 2022 | KYMR | 0 | $0 | 508,718 | $15,355,304 | 0 | $0 |
| 2021 | KYMR | 0 | $0 | 471,483 | $27,728,388 | 0 | $0 |
Yearly summary of insider trading at Vigil Neuroscience, Inc. (VIGL) by Booth Bruce
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | VIGL | 535,000 | $7,490,000 | 0 | $0 | 0 | $0 |
Insider trading activities at 7 companies by Booth Bruce:
1. Tectonic Therapeutic, Inc. (AVRO)
2. Cogent Biosciences, Inc. (UMRX)
3. Dianthus Therapeutics, Inc. /de/ (MGTA)
4. Sionna Therapeutics, Inc. (SION)
5. Viridian Therapeutics, Inc.\de (MGEN)
6. Kymera Therapeutics, Inc. (KYMR)
7. Vigil Neuroscience, Inc. (VIGL)
Table 1. Insider trading of Tectonic Therapeutic, Inc. (AVRO) by Booth Bruce
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-07-19 | AVRO | Buy | 810,811 | 18.50 | 15,000,003 |
Table 2. Insider trading of Cogent Biosciences, Inc. (UMRX) by Booth Bruce
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-04-03 | UMRX | Buy | 94,052 | 12.00 | 1,128,624 |
Table 3. Insider trading of Dianthus Therapeutics, Inc. /de/ (MGTA) by Booth Bruce
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-06-29 | MGTA | Buy | 1,250,000 | 8.00 | 10,000,000 |
| 2019-03-20 | MGTA | Sale | 14,245 | 17.86 | 254,415 |
Table 4. Insider trading of Sionna Therapeutics, Inc. (SION) by Booth Bruce
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-02-10 | SION | Buy | 60,000 | 18.00 | 1,080,000 |
Table 5. Insider trading of Viridian Therapeutics, Inc.\de (MGEN) by Booth Bruce
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-02-13 | MGEN | Buy | 545,454 | 5.50 | 2,999,997 |
Table 6. Insider trading of Kymera Therapeutics, Inc. (KYMR) by Booth Bruce
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-07-09 | KYMR | Sale | 453,960 | 37.42 | 16,988,999 |
| 2024-06-12 | KYMR | Sale | 16,740 | 35.69 | 597,366 |
| 2024-06-13 | KYMR | Sale | 10,200 | 34.98 | 356,795 |
| 2024-03-15 | KYMR | Sale | 71,764 | 40.39 | 2,898,332 |
| 2024-03-14 | KYMR | Sale | 55,779 | 40.63 | 2,266,468 |
| 2024-03-11 | KYMR | Sale | 51,184 | 43.09 | 2,205,774 |
| 2024-03-12 | KYMR | Sale | 162,918 | 42.23 | 6,880,027 |
| 2024-03-13 | KYMR | Sale | 139,255 | 42.52 | 5,920,426 |
| 2022-11-03 | KYMR | Sale | 96,397 | 30.00 | 2,891,910 |
| 2022-11-02 | KYMR | Sale | 123,619 | 30.02 | 3,711,042 |
| 2022-10-31 | KYMR | Sale | 120,622 | 30.23 | 3,646,403 |
| 2022-10-28 | KYMR | Sale | 91,050 | 30.00 | 2,731,500 |
| 2022-11-01 | KYMR | Sale | 77,030 | 30.82 | 2,374,449 |
| 2021-08-11 | KYMR | Sale | 242,133 | 61.00 | 14,770,113 |
| 2021-03-12 | KYMR | Sale | 229,350 | 56.50 | 12,958,275 |
Table 7. Insider trading of Vigil Neuroscience, Inc. (VIGL) by Booth Bruce
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-01-11 | VIGL | Buy | 535,000 | 14.00 | 7,490,000 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Booth Bruce
(Officer of Sionna Therapeutics, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.