Updated Jul 16, 2026 · Last SEC filing 2026-07-02
Viridian Therapeutics, Inc.\DE (VRDN) has filed 7 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 8 Form 8-K material event filings were reported by VRDN in the last 90 days. InsiderAlpha tracks every VRDN SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001590750 |
|---|
| Form 4 filings (90d) | 7 |
|---|---|
| Form 8-K filings (90d) | 8 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Fairmount Funds Management LLC | Director | P — Open-market purchase | 1.18M | $17.00 | $20.00M | SEC | |
| Tousignant Jennifer | Chief Legal Officer | M — Option exercise | 5.2K | — | — | SEC | |
| Tousignant Jennifer | Chief Legal Officer | F — Tax withholding / forfeiture | 1.7K | $29.32 | $51K | SEC | |
| Harmon Seth | Chief Financial Officer | M — Option exercise | 6.3K | — | — | SEC | |
| Harmon Seth | Chief Financial Officer | F — Tax withholding / forfeiture | 2.1K | $29.32 | $61K | SEC | |
| Beetham Thomas W. | Chief Operating Officer | M — Option exercise | 9.4K | — | — | SEC | |
| Beetham Thomas W. | Chief Operating Officer | F — Tax withholding / forfeiture | 3.1K | $29.32 | $92K | SEC | |
| Mahoney Stephen F. | President and CEO | F — Tax withholding / forfeiture | 7.6K | $29.32 | $224K | SEC | |
| Harmon Seth | Chief Financial Officer | F — Tax withholding / forfeiture | 2.0K | $30.19 | $61K | SEC | |
| Beetham Thomas W. | Chief Operating Officer | F — Tax withholding / forfeiture | 3.0K | $30.19 | $92K | SEC | |
| Tousignant Jennifer | Chief Legal Officer | F — Tax withholding / forfeiture | 1.7K | $30.19 | $51K | SEC | |
| Mahoney Stephen F. | President and CEO | F — Tax withholding / forfeiture | 7.4K | $30.19 | $224K | SEC | |
| Mahoney Stephen F. | President and CEO | M — Option exercise | 18.4K | — | — | SEC | |
| Tousignant Jennifer | Chief Legal Officer | S — Open-market sale | 2.3K | $31.16 | $71K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Viridian Therapeutics, Inc.\DE (VRDN). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Ajer Jeffrey Robert | 1 | — |
| Fairmount Funds Management LLC | 1 | $20.00M |
| Morris Arlene | 1 | — |
| Gheuens Sarah | 1 | — |
| Moses Jennifer K. | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in VRDN insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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