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 |
2024-09-13 Purchase | 2024-09-17 9:00 pm | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund II L.P. Director 10% Owner | 1,600,000 | $18.75 | $30,000,000 | 3,445,813 (Indirect) | View |
2024-01-22 Purchase | 2024-01-24 6:44 pm | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund GP LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. See Remarks 10% Owner | 476,190 | $21 | $9,999,990 | 1,845,813 (Indirect) | View |
2022-08-17 Purchase | 2022-08-19 4:32 pm | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund GP LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. See Remarks 10% Owner | 425,531 | $23.5 | $9,999,979 | 1,369,623 (Indirect) | View |
2021-09-21 Purchase | 2021-09-23 09:30 am | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund GP LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Director 10% Owner | 909,000 | $11 | $9,999,000 | 1,077,283 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-06-09 Exercise | 2025-06-11 5:00 pm | N/A N/A | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund II L.P. Director 10% Owner | 1,600 | $7.8 | 3,459,913 (Indirect) | View |
2025-06-09 Exercise | 2025-06-11 5:00 pm | N/A 2025-06-10 | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund II L.P. Director 10% Owner | 14,100 | $0 | 3,459,913 (Indirect) | View |
2025-06-10 Exercise | 2025-06-11 5:00 pm | N/A N/A | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund II L.P. Director 10% Owner | 12,500 | $12.31 | 3,459,913 (Indirect) | View |
2024-03-28 Other | 2024-04-01 6:32 pm | N/A N/A | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund GP LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Director 10% Owner | 49,857 | $0 | 1,990,722 (Indirect) | View |
2023-10-30 Option Award | 2023-11-01 9:05 pm | N/A N/A | Viridian Therapeutics Inc. | VRDN | Fairmount Funds Management LLC Fairmount Healthcare Fund GP LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. See Remarks 10% Owner | 48,463 | $825.37 | 48,463 (Indirect) | View |
Ownership | 2020-10-30 11:43 am | N/A N/A | MIRAGEN THERAPEUTICS INC. | MGEN | Fairmount Funds Management LLC Fairmount Healthcare Fund GP LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. See Remarks | 0 | $0 | 131,717,393 (Indirect) | View |
2020-10-27 Other | 2020-10-29 11:30 am | N/A N/A | MIRAGEN THERAPEUTICS INC. | MGEN | Fairmount Funds Management LLC Fairmount Healthcare Fund GP LLC Fairmount Healthcare Fund II GP LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. See Remarks | 625,247 | $0 | 1,063,749 (Indirect) | View |