🕵️ Viridian Therapeutics, INC.\DE ($VRDN)
SEC insider & ownership activity, last 12 months · CIK 1590750 · every row links its SEC filing
Over the last 12 months insiders sold $71K against $30.0M of open-market buying. Fairmount Funds Management LLC bought $30.0M in discretionary trades (Oct–May). Fairmount Funds Management LLC trimmed 15.1% → 14.0%; Fairmount Healthcare Fund II GP LLC trimmed 15.1% → 14.0%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $30.0M (2 lots) · 1 seller, $71K (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Fairmount Funds Management LLC | 2 | $30.0M | 0 | – | May 11, 2026 |
| Tousignant Jennifer | 0 | – | 1 | $71K | Dec 31, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Fairmount Funds Management LLC | 14.0% | 13D | May 11, 2026 | filing ↗ | |
| Fairmount Healthcare Fund II GP LLC | 14.0% | 13D | May 11, 2026 | filing ↗ | |
| Bellevue Group AG | 6.6% | 13G | May 15, 2026 | filing ↗ | |
| Bellevue Asset Management AG | 6.6% | 13G | May 15, 2026 | filing ↗ | |
| DEEP Track Capital, LP | 5.3% | 13G | May 8, 2026 | filing ↗ | |
| DEEP Track Biotechnology Master Fund, Ltd. | 5.3% | 13G | May 8, 2026 | filing ↗ | |
| David Kroin | 5.3% | 13G | May 8, 2026 | filing ↗ | |
| Paradigm Biocapital Advisors LP | 5.1% | 13G | Jun 26, 2026 | filing ↗ | |
| Paradigm Biocapital Advisors GP LLC | 5.1% | 13G | Jun 26, 2026 | filing ↗ | |
| Senai Asefaw, M.D. | 5.1% | 13G | Jun 26, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Thomas W. Beetham | $92K | Mar 4, 2026 | filing ↗ |
| Tousignant Jennifer | $51K | Mar 4, 2026 | filing ↗ |
| Harmon Seth | $61K | Mar 4, 2026 | filing ↗ |
| Stephen F. Mahoney | $224K | Mar 4, 2026 | filing ↗ |
| Tousignant Jennifer | $71K | Dec 31, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jun 26, 2026 | filing ↗ |
| Other events (8.01) | Jun 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 26, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 2, 2026 | filing ↗ |
| Agreement terminated (1.02) | May 27, 2026 | filing ↗ |
| Material agreement (1.01) | May 24, 2026 | filing ↗ |
| Material agreement (1.01) | May 6, 2026 | filing ↗ |
| New financial obligation (2.03) | May 6, 2026 | filing ↗ |
| Other events (8.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 30, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Material agreement (1.01) | Oct 21, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 21, 2025 | filing ↗ |
| Earnings (2.02) | Oct 21, 2025 | filing ↗ |
| Material agreement (1.01) | Oct 17, 2025 | filing ↗ |
| Earnings (2.02) | Aug 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2025 | filing ↗ |
| Material agreement (1.01) | Jul 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 30, 2025 | filing ↗ |