Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2024-03-08 Sale | 2024-03-12 9:56 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 429,730 | $25.89 | $11,125,776 | 754,536 (Direct) | View |
| 2024-03-07 Sale | 2024-03-11 9:57 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 9,086 | $25.85 | $234,873 | 554,385 (Direct) | View |
| 2024-02-29 Sale | 2024-03-01 9:38 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 100,000 | $28.96 | $2,895,519 | 1,052,995 (Direct) | View |
| 2024-01-03 Sale | 2024-01-04 9:49 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 269,719 | $18.66 | $5,032,915 | 711,370 (Direct) | View |
| 2023-12-11 Sale | 2023-12-12 5:33 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 7,585 | $10.72 | $81,311 | 584,971 (Direct) | View |
| 2023-09-18 Sale | 2023-09-20 4:47 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 12,032 | $9.41 | $113,221 | 233,679 (Direct) | View |
| 2023-09-12 Sale | 2023-09-13 7:50 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 7,672 | $10.41 | $79,866 | 245,711 (Direct) | View |
| 2023-06-08 Sale | 2023-06-12 9:22 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 325,330 | $12.9 | $4,195,797 | 881,842 (Direct) | View |
| 2023-03-14 Sale | 2023-03-15 5:49 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 7,318 | $13.33 | $97,549 | 322,483 (Direct) | View |
| 2022-12-12 Sale | 2022-12-13 5:04 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 3,322 | $10.87 | $36,110 | 551,801 (Direct) | View |
| 2022-10-07 Sale | 2022-10-11 09:00 am | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 210,000 | $12.52 | $2,629,522 | 1,080,421 (Direct) | View |
| 2022-09-20 Sale | 2022-09-21 4:07 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 11,836 | $13.7 | $162,153 | 204,623 (Direct) | View |
| 2022-09-15 Sale | 2022-09-15 5:25 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 3,480 | $14.05 | $48,894 | 216,459 (Direct) | View |
| 2022-07-06 Sale | 2022-07-06 6:18 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 10,963 | $8.24 | $90,335 | 452,256 (Direct) | View |
| 2022-06-14 Sale | 2022-06-15 8:02 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 3,540 | $4.95 | $17,523 | 206,784 (Direct) | View |
| 2022-03-11 Sale | 2022-03-14 5:07 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 3,384 | $8.73 | $29,542 | 210,324 (Direct) | View |
| 2021-09-20 Sale | 2021-09-22 8:02 pm | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 8,009 | $15.9 | $127,312 | 99,018 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
Ownership | 2025-06-23 6:26 pm | N/A N/A | GLYCOMIMETICS INC | CBIO | Brumm Joshua T Chief Executive Officer | 0 | $0 | 1,073,600 (Direct) | View |
| 2024-03-08 Exercise | 2024-03-12 9:56 pm | N/A 2030-07-30 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 413,343 | $0 | 754,536 (Direct) | View |
| 2024-03-08 Exercise | 2024-03-12 9:56 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 413,343 | $5.54 | 754,536 (Direct) | View |
| 2024-02-29 Exercise | 2024-03-01 9:38 pm | N/A 2030-07-30 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 100,000 | $0 | 1,052,995 (Direct) | View |
| 2024-02-29 Exercise | 2024-03-01 9:38 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 100,000 | $5.54 | 1,052,995 (Direct) | View |
| 2024-01-29 Gift | 2024-01-31 4:18 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 21,500 | $0 | 563,471 (Direct) | View |
| 2024-01-03 Exercise | 2024-01-04 9:49 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 69,719 | $1.03 | 711,370 (Direct) | View |
| 2024-01-03 Exercise | 2024-01-04 9:49 pm | N/A 2030-01-05 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 269,719 | $0 | 711,370 (Direct) | View |
| 2024-01-04 Exercise | 2024-01-04 9:49 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T CEO & President | 200,000 | $5.54 | 711,370 (Direct) | View |
| 2023-11-15 Option Award | 2023-11-16 4:29 pm | N/A 2033-11-14 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 498,627 | $0 | 732,306 (Direct) | View |
| 2023-06-08 Exercise | 2023-06-12 9:22 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 278,030 | $1.03 | 881,842 (Direct) | View |
| 2023-06-08 Exercise | 2023-06-12 9:22 pm | N/A 2030-01-05 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 278,030 | $0 | 881,842 (Direct) | View |
| 2023-06-08 Gift | 2023-06-12 9:22 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 21,800 | $0 | 881,842 (Direct) | View |
| 2022-12-09 Option Award | 2022-12-13 5:04 pm | N/A 2032-12-08 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 366,000 | $0 | 551,801 (Direct) | View |
| 2022-10-07 Exercise | 2022-10-11 09:00 am | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 210,000 | $1.03 | 1,080,421 (Direct) | View |
| 2022-10-07 Exercise | 2022-10-11 09:00 am | N/A 2030-01-05 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 210,000 | $0 | 1,080,421 (Direct) | View |
| 2022-10-10 Gift | 2022-10-11 09:00 am | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 15,500 | $0 | 1,080,421 (Direct) | View |
| 2022-07-05 Option Award | 2022-07-06 6:18 pm | N/A 2030-07-30 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 256,435 | $0 | 452,256 (Direct) | View |
| 2021-12-10 Option Award | 2021-12-14 4:20 pm | N/A 2031-12-09 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 295,475 | $0 | 390,993 (Direct) | View |
| 2021-10-01 Gift | 2021-10-04 5:03 pm | N/A N/A | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 3,500 | $0 | 95,518 (Direct) | View |
| 2020-09-16 Option Award | 2020-09-18 5:11 pm | N/A 2030-09-15 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 427,808 | $0 | 427,808 (Direct) | View |
Ownership | 2020-09-16 8:46 pm | N/A 2030-01-05 | Dyne Therapeutics Inc. | DYN | Brumm Joshua T See Remarks | 0 | $0 | 1,244,930 (Direct) | View |