Brumm Joshua T
SEC CIK 1528826 · EDGAR
BoughtSold
Most active insiders at CBIO, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Harwin Peter Evan | Dir, 10% | $18.24M | — |
| 2 | Fairmount Funds Management LLC | Dir, 10% | $12.38M | — |
| 3 | Brumm Joshua T | CEO, Dir | — | $920.8K |
| 4 | McNeill Jonathan | Pres, COO | — | $446.9K |
| 5 | Pinkas Jan | CSO | — | $34.9K |
| 6 | Im Ellie Eunkyung | Chief Medical Off | — | $33.1K |
| 7 | Bispham Barbara Harlin | See Remarks | — | $33.0K |
| 8 | Scalzo Richard William | CFO | — | $30.2K |
| 9 | Lynch Ryan | See Remarks | — | $12.7K |
| 10 | Doughty Christopher Grant | Chief Business Off | — | — |
Transactions 33
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-18 16:02 | 2026-09-16+ | CBIO | CRESCENT BIOPHARMA, INC. | Brumm Joshua T | CEO, Dir | S - Sale | $16.91 | -9,447 | 271.8K | -3% | -$159.8K |
| T | 2026-06-23 16:01 | 2026-06-22 | CBIO | CRESCENT BIOPHARMA, INC. | Brumm Joshua T | CEO, Dir | S - Sale | $17.99 | -42.3K | 281.2K | -13% | -$761.1K |
| DM | 2025-12-17 | 2025-12-15 | CBIO | CRESCENT BIOPHARMA, INC. | Brumm Joshua T | CEO, Dir | A - Grant | — | +55.1K | 323.5K | +21% | — |
| DMT | 2024-03-12 | 2024-03-08+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres, Dir | M - OptEx | $5.54 | +413.3K | 604.4K | +216% | +$2.29M |
| DMT | 2024-03-12 | 2024-03-08+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres, Dir | S - Sale+OE | $25.89 | -429.7K | 554.4K | -44% | -$11.13M |
| T | 2024-03-11 | 2024-03-07 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres, Dir | S - Sale | $25.85 | -9,086 | 554.4K | -2% | -$234.9K |
| DMT | 2024-03-01 | 2024-02-29+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres, Dir | S - Sale+OE | $28.96 | -100.0K | 563.5K | -15% | -$2.90M |
| DMT | 2024-03-01 | 2024-02-29+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres, Dir | M - OptEx | $5.54 | +100.0K | 569.0K | +21% | +$554.0K |
| M | 2024-01-31 | 2024-01-29 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres, Dir | G - Gift | $0.00 | -21.5K | 563.5K | -4% | $0 |
| DMT | 2024-01-04 | 2024-01-03+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres | M - OptEx | $4.37 | +269.7K | 803.5K | +51% | +$1.18M |
| DMT | 2024-01-04 | 2024-01-03+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | CEO, Pres | S - Sale+OE | $18.66 | -269.7K | 585.0K | -32% | -$5.03M |
| 2023-12-12 | 2023-12-11 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale | $10.72 | -7,585 | 585.0K | -1% | -$81.3K | |
| D | 2023-11-16 | 2023-11-15 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | A - Grant | $0.00 | +358.9K | 592.6K | +154% | $0 |
| 2023-09-20 | 2023-09-18 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale | $9.41 | -12.0K | 233.7K | -5% | -$113.2K | |
| 2023-09-13 | 2023-09-12 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale | $10.41 | -7,672 | 245.7K | -3% | -$79.9K | |
| DM | 2023-06-12 | 2023-06-08 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | G - Gift | $0.00 | -21.8K | 302.5K | -7% | $0 |
| DM | 2023-06-12 | 2023-06-08+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | M - OptEx | $1.03 | +278.0K | 441.1K | +170% | +$286.4K |
| DM | 2023-06-12 | 2023-06-08+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale+OE | $12.90 | -325.3K | 269.8K | -55% | -$4.20M |
| 2023-03-15 | 2023-03-14 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale | $13.33 | -7,318 | 322.5K | -2% | -$97.5K | |
| D | 2022-12-13 | 2022-12-12 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale | $10.87 | -3,322 | 329.8K | -1.0% | -$36.1K |
| D | 2022-12-13 | 2022-12-09 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | A - Grant | $0.00 | +144.0K | 333.1K | +76% | $0 |
| DM | 2022-10-11 | 2022-10-10 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | G - Gift | $0.00 | -15.5K | 191.6K | -7% | $0 |
| DM | 2022-10-11 | 2022-10-07+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale+OE | $12.52 | -210.0K | 204.6K | -51% | -$2.63M |
| DM | 2022-10-11 | 2022-10-07+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | M - OptEx | $1.03 | +210.0K | 218.8K | +2,380% | +$216.3K |
| 2022-09-21 | 2022-09-20 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | D - Sale to Iss | $13.70 | -11.8K | 204.6K | -5% | -$162.2K | |
| 2022-09-15 | 2022-09-15 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | D - Sale to Iss | $14.05 | -3,480 | 216.5K | -2% | -$48.9K | |
| D | 2022-07-06 | 2022-07-06 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | D - Sale to Iss | $8.24 | -11.0K | 219.9K | -5% | -$90.3K |
| D | 2022-07-06 | 2022-07-05 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | A - Grant | $0.00 | +24.1K | 230.9K | +12% | $0 |
| 2022-06-15 | 2022-06-14 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | D - Sale to Iss | $4.95 | -3,540 | 206.8K | -2% | -$17.5K | |
| 2022-03-14 | 2022-03-11 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale | $8.73 | -3,384 | 210.3K | -2% | -$29.5K | |
| D | 2021-12-14 | 2021-12-10 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | A - Grant | $0.00 | +118.2K | 213.7K | +124% | $0 |
| 2021-10-04 | 2021-10-01 | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | G - Gift | $0.00 | -3,500 | 95.5K | -4% | $0 | |
| M | 2021-09-22 | 2021-09-20+ | DYN | Dyne Therapeutics, Inc. | Brumm Joshua T | See Remarks, Dir | S - Sale | $15.90 | -8,009 | 99.0K | -7% | -$127.3K |
Purchase Sale Sale after option exercise All abbreviations