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 |
2025-03-11 Sale |
2025-03-13 4:08 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
1,343 | $11.38 | $15,283 | 122,330 (Direct) |
View |
2025-03-05 Sale |
2025-03-07 4:06 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
917 | $11.83 | $10,848 | 123,673 (Direct) |
View |
2025-02-18 Sale |
2025-02-18 5:09 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
2,488 | $13.95 | $34,708 | 124,590 (Direct) |
View |
2024-12-11 Sale |
2024-12-11 8:40 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
1,455 | $28.12 | $40,915 | 127,078 (Direct) |
View |
2024-11-18 Sale |
2024-11-18 4:28 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
2,735 | $28.2 | $77,127 | 95,833 (Direct) |
View |
2024-09-18 Sale |
2024-09-19 4:52 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
1,390 | $34.55 | $48,024 | 98,568 (Direct) |
View |
2024-09-11 Sale |
2024-09-11 4:13 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
1,468 | $31.89 | $46,815 | 99,958 (Direct) |
View |
2024-09-06 Sale |
2024-09-10 4:05 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
126,074 | $32.15 | $4,052,851 | 190,368 (Direct) |
View |
2024-08-19 Sale |
2024-08-20 4:28 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
2,752 | $45.12 | $124,174 | 111,022 (Direct) |
View |
2024-06-10 Sale |
2024-06-11 7:28 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
2,921 | $30.74 | $89,779 | 113,774 (Direct) |
View |
2024-05-16 Sale |
2024-05-17 9:04 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
2,588 | $28.27 | $73,162 | 116,695 (Direct) |
View |
2024-03-08 Sale |
2024-03-12 9:57 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
88,924 | $26.19 | $2,329,007 | 129,138 (Direct) |
View |
2024-03-07 Sale |
2024-03-11 9:45 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
2,273 | $25.85 | $58,757 | 121,955 (Direct) |
View |
2024-02-29 Sale |
2024-03-01 9:37 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
12,740 | $28.05 | $357,296 | 133,539 (Direct) |
View |
2024-01-26 Sale |
2024-01-26 7:47 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
13,000 | $24.34 | $316,420 | 136,968 (Direct) |
View |
2024-01-03 Sale |
2024-01-04 9:46 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
13,000 | $18.81 | $244,530 | 149,968 (Direct) |
View |
2023-12-14 Sale |
2023-12-14 4:59 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
2,376 | $12.02 | $28,560 | 124,228 (Direct) |
View |
2023-12-11 Sale |
2023-12-12 5:35 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
1,380 | $10.72 | $14,794 | 126,604 (Direct) |
View |
2023-12-04 Sale |
2023-12-06 6:13 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
2,553 | $12.01 | $30,662 | 127,984 (Direct) |
View |
2023-09-18 Sale |
2023-09-20 4:49 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
1,290 | $9.41 | $12,139 | 40,795 (Direct) |
View |
2023-09-12 Sale |
2023-09-13 7:53 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
1,397 | $10.41 | $14,543 | 42,085 (Direct) |
View |
2023-06-13 Sale |
2023-06-15 5:46 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
51,390 | $12.71 | $653,178 | 82,222 (Direct) |
View |
2023-03-14 Sale |
2023-03-15 5:51 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
1,311 | $13.33 | $17,476 | 54,872 (Direct) |
View |
2022-12-12 Sale |
2022-12-13 5:06 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
312 | $10.87 | $3,391 | 101,183 (Direct) |
View |
2022-09-20 Sale |
2022-09-21 4:09 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
840 | $13.7 | $11,508 | 25,495 (Direct) |
View |
2022-09-15 Sale |
2022-09-15 5:30 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
326 | $14.05 | $4,580 | 26,335 (Direct) |
View |
2022-06-14 Sale |
2022-06-15 8:05 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
333 | $4.95 | $1,648 | 26,661 (Direct) |
View |
2022-03-11 Sale |
2022-03-14 5:09 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
308 | $8.73 | $2,689 | 26,994 (Direct) |
View |
2021-09-20 Sale |
2021-09-22 8:03 pm |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
859 | $15.9 | $13,655 | 10,606 (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 |
2024-12-04 Option Award |
2024-12-06 4:05 pm |
N/A 2034-12-03 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
85,000 | $0 | 180,833 (Direct) |
View |
2024-09-06 Exercise |
2024-09-10 4:05 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
16,696 | $13.12 | 190,368 (Direct) |
View |
2024-09-06 Exercise |
2024-09-10 4:05 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
9,855 | $5.54 | 190,368 (Direct) |
View |
2024-09-06 Exercise |
2024-09-10 4:05 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
34,833 | $19 | 190,368 (Direct) |
View |
2024-09-06 Exercise |
2024-09-10 4:05 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
29,792 | $8.58 | 190,368 (Direct) |
View |
2024-09-06 Exercise |
2024-09-10 4:05 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
6,552 | $10.88 | 190,368 (Direct) |
View |
2024-09-06 Exercise |
2024-09-10 4:05 pm |
N/A 2030-07-30 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
116,478 | $0 | 190,368 (Direct) |
View |
2024-09-06 Exercise |
2024-09-10 4:05 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
18,750 | $10.72 | 190,368 (Direct) |
View |
2024-03-08 Exercise |
2024-03-12 9:57 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
86,252 | $5.54 | 129,138 (Direct) |
View |
2024-03-08 Exercise |
2024-03-12 9:57 pm |
N/A 2030-07-30 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
86,252 | $0 | 129,138 (Direct) |
View |
2024-02-29 Exercise |
2024-03-01 9:37 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
12,740 | $1.03 | 133,539 (Direct) |
View |
2024-02-29 Exercise |
2024-03-01 9:37 pm |
N/A 2030-01-05 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
12,740 | $0 | 133,539 (Direct) |
View |
2024-01-26 Exercise |
2024-01-26 7:47 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
13,000 | $1.03 | 136,968 (Direct) |
View |
2024-01-26 Exercise |
2024-01-26 7:47 pm |
N/A 2030-01-05 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
13,000 | $0 | 136,968 (Direct) |
View |
2024-01-03 Exercise |
2024-01-04 9:46 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
13,000 | $1.03 | 149,968 (Direct) |
View |
2024-01-03 Exercise |
2024-01-04 9:46 pm |
N/A 2030-01-05 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William SVP, Head of Finance & Admin. |
13,000 | $0 | 149,968 (Direct) |
View |
2023-11-15 Option Award |
2023-11-16 4:35 pm |
N/A 2033-11-14 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
124,688 | $0 | 165,483 (Direct) |
View |
2023-06-13 Exercise |
2023-06-15 5:46 pm |
N/A N/A |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
40,000 | $1.03 | 82,222 (Direct) |
View |
2023-06-13 Exercise |
2023-06-15 5:46 pm |
N/A 2030-01-05 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
40,000 | $0 | 82,222 (Direct) |
View |
2022-12-09 Option Award |
2022-12-13 5:06 pm |
N/A 2032-12-08 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
76,000 | $0 | 101,183 (Direct) |
View |
2022-07-11 Option Award |
2022-07-13 4:38 pm |
N/A 2032-07-10 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
55,000 | $0 | 55,000 (Direct) |
View |
2022-07-05 Option Award |
2022-07-06 6:23 pm |
N/A 2030-07-30 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
17,333 | $0 | 17,333 (Direct) |
View |
2021-12-10 Option Award |
2021-12-14 4:23 pm |
N/A 2031-12-09 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
41,740 | $0 | 52,346 (Direct) |
View |
2020-09-16 Option Award |
2020-09-18 5:10 pm |
N/A 2030-09-15 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
47,040 | $0 | 47,040 (Direct) |
View |
Ownership |
2020-09-16 8:39 pm |
N/A 2030-01-05 |
Dyne Therapeutics Inc. | DYN | Scalzo Richard William See Remarks |
0 | $0 | 157,514 (Direct) |
View |