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 |
2024-09-16 Purchase(A) | 2024-09-17 8:56 pm | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 300,000 | $17 | $5,100,000 | 1,929,806 (Indirect) | View |
2024-09-16 Purchase | 2024-09-16 8:54 pm | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 300,000 | $17 | $5,100,000 | 1,641,891 (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 |
2023-07-13 Purchase | 2023-07-17 8:00 pm | Apogee Therapeutics Inc. | APGE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest II L.P. Kiselak Tomas Harwin Peter Evan Director | 2,941,176 | $17 | $49,999,992 | 988,045 (Indirect Direct) | 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 |
2025-06-10 Option Award | 2025-06-12 4:34 pm | N/A 2035-06-10 | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 18,500 | $0 | 18,500 (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 |
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 |
2025-06-09 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 |
2025-06-02 Option Award | 2025-06-03 4:30 pm | N/A 2035-06-01 | Oruka Therapeutics Inc. | ORKA | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest III L.P. Harwin Peter Evan Kiselak Tomas Director 10% Owner | 17,500 | $0 | 17,500 (Indirect) | View |
2025-05-29 Option Award | 2025-06-02 4:39 pm | N/A 2035-05-29 | Spyre Therapeutics Inc. | SYRE | Fairmount Funds Management LLC Harwin Peter Evan Kiselak Tomas Fairmount Healthcare Fund II L.P. Director | 50,000 | $0 | 50,000 (Indirect) | View |
2025-04-29 Option Award | 2025-05-01 6:16 pm | N/A 2035-04-29 | Jade Biosciences Inc. | JBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 23,017 | $0 | 23,017 (Direct) | View |
Ownership | 2025-05-01 5:58 pm | N/A N/A | Jade Biosciences Inc. | JBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 0 | $0 | 20,777,527 (Indirect) | View |
2024-11-19 Exercise | 2024-11-21 6:30 pm | N/A N/A | Oruka Therapeutics Inc. | ORKA | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 160,160 | $0 | 3,371,922 (Indirect) | View |
2024-09-12 Option Award(A) | 2024-09-17 8:56 pm | N/A 2034-09-11 | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 37,000 | $0 | 1,929,806 (Indirect) | View |
2024-09-16 Conversion(A) | 2024-09-17 8:56 pm | N/A N/A | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 12,635,428 | $0 | 1,929,806 (Indirect) | View |
2024-09-12 Option Award | 2024-09-16 8:54 pm | N/A 2034-09-11 | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 37,000 | $0 | 1,641,891 (Indirect) | View |
2024-09-16 Conversion | 2024-09-16 8:54 pm | N/A N/A | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 12,635,428 | $0 | 1,641,891 (Indirect) | View |
2024-09-11 Option Award | 2024-09-13 4:55 pm | N/A N/A | Oruka Therapeutics Inc. | ORKA | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 160 | $23,000 | 3,212,082 (Indirect) | View |
2024-09-11 Option Award | 2024-09-13 4:55 pm | N/A N/A | Oruka Therapeutics Inc. | ORKA | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 275,000 | $23 | 3,212,082 (Indirect) | View |
Ownership | 2024-09-12 9:41 pm | N/A N/A | Zenas BioPharma Inc. | ZBIO | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 0 | $0 | 1,592,806 (Indirect) | View |
Ownership | 2024-09-06 5:07 pm | N/A N/A | Oruka Therapeutics Inc. | ORKA | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest III L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 0 | $0 | 19,662,752 (Indirect) | View |
2024-04-25 Exercise | 2024-04-25 4:55 pm | N/A N/A | Spyre Therapeutics Inc. | SYRE | Fairmount Funds Management LLC Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 3,730,672 | $0 | 5,176,222 (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 |
2024-03-28 Other | 2024-04-01 5:44 pm | N/A N/A | Apogee Therapeutics Inc. | APGE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Kiselak Tomas Harwin Peter Evan Director | 498,765 | $0 | 9,006,126 (Indirect) | View |
2024-01-29 Other | 2024-01-31 4:31 pm | N/A N/A | Apogee Therapeutics Inc. | APGE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest II L.P. Kiselak Tomas Harwin Peter Evan Director | 943,695 | $0 | 1,046,027 (Indirect) | View |
2023-12-29 Other | 2023-12-29 5:00 pm | N/A N/A | Spyre Therapeutics Inc. | SYRE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 3,841,518 | $0 | 5,485,719 (Indirect) | View |
2023-12-07 Option Award | 2023-12-11 5:41 pm | N/A N/A | Spyre Therapeutics Inc. | SYRE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 16,667 | $600 | 16,667 (Indirect) | View |
2023-11-24 Conversion | 2023-11-28 4:05 pm | N/A N/A | Spyre Therapeutics Inc. | AGLE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 3,521,367 | $0 | 4,250,938 (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 |
2023-07-13 Option Award | 2023-07-17 8:00 pm | N/A 2033-07-13 | Apogee Therapeutics Inc. | APGE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest II L.P. Kiselak Tomas Harwin Peter Evan Director | 95,516 | $0 | 988,045 (Direct) | View |
Ownership | 2023-07-13 6:39 pm | N/A N/A | Apogee Therapeutics Inc. | APGE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Director | 0 | $0 | 6,743,321 (Indirect) | View |
Ownership | 2023-06-30 5:32 pm | N/A N/A | Aeglea BioTherapeutics Inc. | AGLE | Fairmount Funds Management LLC Fairmount Healthcare Fund L.P. Fairmount Healthcare Fund II L.P. Fairmount Healthcare Co-Invest L.P. Kiselak Tomas Harwin Peter Evan Director 10% Owner | 0 | $0 | 536,284,540 (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 |