8 insiders reported 29 Form 4 transactions for Viridian Therapeutics, Inc.DE (VRDN) over the past 18 months (most recent 2026-08-20). Recent activity: Tousignant Jennifer (Chief Legal Officer) Buy 10,000 shares, Tousignant Jennifer (Chief Legal Officer) Sell 10,000 shares, Tousignant Jennifer (Chief Legal Officer) Sell 4,212 shares, Tripuraneni Radhika (Chief Medical Officer) Buy 40,000 shares, Fairmount Healthcare Fund II L.P. (Director) Buy 1.2M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Tousignant Jennifer | Chief Legal Officer | Buy | 10,000 | $144,100 |
| 2026-08-20 | Tousignant Jennifer | Chief Legal Officer | Sell | 10,000 | $245,000 |
| 2026-08-20 | Tousignant Jennifer | Chief Legal Officer | Sell | 4,212 | $103,194 |
| 2026-08-18 | Tripuraneni Radhika | Chief Medical Officer | Buy | 40,000 | $528,400 |
| 2026-05-13 | Fairmount Healthcare Fund II L.P. | Director | Buy | 1.2M | $20.0M |
| 2026-05-13 | Fairmount Funds Management LLC | Director | Buy | 1.2M | $20.0M |
| 2026-05-13 | Fairmount Healthcare Fund II GP LLC | Director | Buy | 1.2M | $20.0M |
| 2026-03-09 | Harmon Seth | Chief Financial Officer | Sell | 2,031 | $61,316 |
| 2026-03-09 | Mahoney Stephen F. | President and CEO | Sell | 7,408 | $223,648 |
| 2026-03-09 | Tousignant Jennifer | Chief Legal Officer | Sell | 1,675 | $50,568 |
| 2026-03-09 | Beetham Thomas W. | Chief Operating Officer | Sell | 3,048 | $92,019 |
| 2026-03-04 | Harmon Seth | Chief Financial Officer | Sell | 2,091 | $61,308 |
| 2026-03-04 | Harmon Seth | Chief Financial Officer | Buy | 6,267 | $0 |
| 2026-03-04 | Tousignant Jennifer | Chief Legal Officer | Buy | 5,169 | $0 |
| 2026-03-04 | Tousignant Jennifer | Chief Legal Officer | Sell | 1,724 | $50,548 |
| 2026-03-04 | Beetham Thomas W. | Chief Operating Officer | Buy | 9,409 | $0 |
| 2026-03-04 | Beetham Thomas W. | Chief Operating Officer | Sell | 3,138 | $92,006 |
| 2026-03-04 | Mahoney Stephen F. | President and CEO | Buy | 18,357 | $0 |
| 2026-03-04 | Mahoney Stephen F. | President and CEO | Sell | 7,627 | $223,624 |
| 2026-01-02 | Tousignant Jennifer | Chief Legal Officer | Sell | 2,272 | $70,796 |
| 2025-10-27 | Fairmount Healthcare Fund II L.P. | Director | Buy | 454,545 | $10.0M |
| 2025-10-27 | Fairmount Funds Management LLC | Director | Buy | 454,545 | $10.0M |
| 2025-10-27 | Fairmount Healthcare Fund II GP LLC | Director | Buy | 454,545 | $10.0M |
| 2025-06-11 | Fairmount Funds Management LLC | Director | Buy | 1,600 | $12,480 |
| 2025-06-11 | Fairmount Healthcare Fund II L.P. | Director | Buy | 1,600 | $12,480 |
Source: SEC Form 4 filings · as of 2026-08-20