Joshua T. Brumm is CEO & President at Dyne Therapeutics, Inc. (DYN). They have made 18 open-market trades across 2 companies since 2015, most recently 2026-09-18.
CIK 0001528826
1 open-market purchase totalling $25K since 2015, against 17 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CBIO | SELL · 10b5-1 | 2026-09-16 | 2026-09-18 | $16.91 | $160K | -14.1% | — | — |
| CBIO | SELL · 10b5-1 | 2026-06-22 | 2026-06-23 | $17.99 | $761K | -1.4% | -1.0% | -5.6% |
| DYN | SELL · 10b5-1 | 2024-03-08 | 2024-03-12 | $25.89 | $22.2M | +3.9% | +0.8% | +15.9% |
| DYN | SELL · 10b5-1 | 2024-03-07 | 2024-03-11 | $25.85 | $470K | +15.1% | +5.8% | +24.3% |
| DYN | SELL · 10b5-1 | 2024-02-29 | 2024-03-01 | $29.07 | $5.1M | -6.9% | -6.2% | +4.6% |
| DYN | SELL · 10b5-1 | 2024-01-03 | 2024-01-04 | $18.60 | $9.7M | -6.4% | +23.0% | +61.7% |
| DYN | SELL | 2023-12-11 | 2023-12-12 | $10.72 | $163K | +15.6% | +50.0% | +133.5% |
| DYN | SELL | 2023-09-18 | 2023-09-20 | $9.41 | $226K | -13.8% | -21.3% | +36.9% |
| DYN | SELL | 2023-09-12 | 2023-09-13 | $10.41 | $160K | -6.1% | -11.6% | +18.7% |
| DYN | SELL | 2023-06-08 | 2023-06-12 | $12.90 | $8.4M | -16.5% | -7.6% | -11.1% |
| DYN | SELL | 2023-03-14 | 2023-03-15 | $13.33 | $195K | -13.0% | -27.2% | +3.0% |
| DYN | SELL · 10b5-1 | 2022-12-12 | 2022-12-13 | $10.87 | $36K | -2.0% | -4.7% | +5.4% |
| DYN | SELL | 2022-10-07 | 2022-10-11 | $12.52 | $2.6M | -8.3% | -18.3% | -10.8% |
| DYN | SELL · 10b5-1 | 2022-03-11 | 2022-03-14 | $8.73 | $30K | +3.0% | +9.2% | -44.6% |
| DYN | SELL | 2021-09-20 | 2021-09-22 | $15.90 | $255K | -2.5% | -10.9% | -22.9% |
| VSAR | SELL | 2017-10-19 | 2017-10-23 | $2.55 | $3K | -32.1% | -30.2% | -18.9% |
| VSAR | SELL | 2017-06-13 | 2017-06-14 | $16.05 | $23K | +16.6% | +3.4% | +12.6% |
| VSAR | SELL | 2017-05-16 | 2017-05-17 | $17.40 | $22K | -8.0% | +1.2% | +2.8% |
| VSAR | SELL | 2017-02-24 | 2017-02-28 | $20.94 | $1.3M | -14.5% | -5.0% | -35.6% |
| VSAR | SELL | 2017-01-30 | 2017-01-31 | $13.85 | $41K | +5.2% | +47.9% | +29.7% |
| VSAR | SELL | 2016-12-27 | 2016-12-29 | $15.85 | $16K | +4.4% | -12.5% | +47.1% |
| VSAR | SELL | 2016-12-07 | 2016-12-08 | $13.25 | $40K | +18.4% | +19.9% | +51.9% |
| VSAR | SELL | 2016-06-15 | 2016-06-17 | $10.63 | $15K | -0.4% | -0.4% | +17.6% |
| VSAR | SELL | 2016-05-20 | 2016-05-20 | $7.87 | $10K | +23.7% | +34.8% | +61.5% |
| VSAR | SELL | 2015-12-30 | 2016-01-04 | $12.44 | $12K | -9.3% | -21.1% | -32.2% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.