Viridian Therapeutics, Inc.\DE
Total Trades
33
Buys
7
Sells
17
Largest Trade
$1M+
Insiders
8
Institutional Funds
165
Inst. Value
$1M+
Activist Filings
50
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Tousignant Jennifer | Chief Legal Officer | SELL | $50K–$100K | 2K | $31.16 | Jan 2, 2026 |
| Fairmount Funds Management LLC | Director | BUY | $1M+ | 455K | $22.00 | Oct 27, 2025 |
| Beetham Thomas W. | COO | BUY | $100K–$500K | 5K | $23.41 | Sep 30, 2024 |
| Mahoney Stephen F. | President and CEO | BUY | $100K–$500K | 21K | $23.33 | Sep 30, 2024 |
| Fairmount Funds Management LLC | Director | BUY | $1M+ | 476K | $21.00 | Jan 24, 2024 |
| Meisner Lara | Chief Legal Officer | EXERCISE | $50K–$100K | 2K | $23.03 | Jun 20, 2023 |
| Meisner Lara | Chief Legal Officer | SELL | $50K–$100K | 2K | $28.02 | Jun 20, 2023 |
| Meisner Lara | Chief Legal Officer | EXERCISE | $100K–$500K | 8K | $17.38 | Jun 6, 2023 |
| Meisner Lara | Chief Legal Officer | SELL | $100K–$500K | 8K | $24.82 | Jun 6, 2023 |
| Myers Scott Dunseth | CEO | BUY | $100K–$500K | 4K | $25.37 | Apr 12, 2023 |
| Myers Scott Dunseth | CEO | BUY | $100K–$500K | 6K | $29.15 | Mar 13, 2023 |
| Meisner Lara | General Counsel an… | SELL | $500K+ | 30K | $29.07 | Mar 10, 2023 |
| Violin Jonathan | Chief Executive O… | SELL | $1M+ | 50K | $36.80 | Feb 3, 2023 |
| Meisner Lara | General Counsel an… | SELL | $100K–$500K | 7K | $35.66 | Jan 25, 2023 |
| Meisner Lara | General Counsel an… | EXERCISE | $100K–$500K | 7K | $20.56 | Jan 25, 2023 |
| Katz Barrett | Chief Medical Offi… | EXERCISE | $500K+ | 29K | $23.03 | Jan 18, 2023 |
| Katz Barrett | Chief Medical Offi… | SELL | $1M+ | 29K | $37.18 | Jan 18, 2023 |
| Katz Barrett | Chief Medical Offi… | EXERCISE | $1M+ | 60K | $23.03 | Jan 12, 2023 |
| Katz Barrett | Chief Medical Offi… | SELL | $1M+ | 60K | $34.82 | Jan 12, 2023 |
| Meisner Lara | General Counsel an… | EXERCISE | $100K–$500K | 17K | $23.03 | Dec 22, 2022 |
| Meisner Lara | General Counsel an… | SELL | $100K–$500K | 17K | $29.15 | Dec 22, 2022 |
| Meisner Lara | General Counsel an… | SELL | $15K–$50K | 2K | $28.37 | Dec 20, 2022 |
| Meisner Lara | General Counsel an… | EXERCISE | $15K–$50K | 2K | $23.03 | Dec 20, 2022 |
| Meisner Lara | General Counsel an… | SELL | $100K–$500K | 16K | $28.12 | Dec 15, 2022 |
| Meisner Lara | General Counsel an… | EXERCISE | $100K–$500K | 16K | $23.03 | Dec 15, 2022 |
| Meisner Lara | General Counsel an… | SELL | $100K–$500K | 8K | $22.05 | Nov 16, 2022 |
| Meisner Lara | General Counsel an… | EXERCISE | $100K–$500K | 8K | $14.00 | Nov 16, 2022 |
| Fairmount Funds Management LLC | Director | BUY | $1M+ | 426K | $23.50 | Aug 19, 2022 |
| Violin Jonathan | Chief Executive O… | SELL | $100K–$500K | 30K | $12.20 | Jun 2, 2022 |
| Violin Jonathan | CEO | SELL | $100K–$500K | 30K | $13.04 | May 4, 2022 |
| Violin Jonathan | Chief Executive O… | SELL | $500K+ | 30K | $18.92 | Apr 5, 2022 |
| Violin Jonathan | Chief Executive O… | SELL | $500K+ | 30K | $17.65 | Mar 3, 2022 |
| Violin Jonathan | Chief Executive O… | SELL | $500K+ | 30K | $19.09 | Feb 3, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 165 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| VANGUARD GROUP INC | 4.9M | $1M+ | SH |
| Fairmount Funds Management LLC | 3.9M | $1M+ | SH |
| VR Adviser, LLC | 3.9M | $1M+ | SH |
| STATE STREET CORP | 3.5M | $1M+ | SH |
| PERCEPTIVE ADVISORS LLC | 3.0M | $1M+ | SH |
| Deep Track Capital, LP | 2.5M | $1M+ | SH |
| Novo Holdings A/S | 2.4M | $1M+ | SH |
| TANG CAPITAL MANAGEMENT LLC | 1.8M | $1M+ | SH |
| Fisher Asset Management, LLC | 1.8M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 1.4M | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 1.2M | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 1.2M | $1M+ | SH |
| Vivo Capital, LLC | 983K | $1M+ | SH |
| Pictet Asset Management Holding SA | 923K | $1M+ | SH |
| Candriam S.C.A. | 785K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 749K | $1M+ | SH |
| 5AM Venture Management, LLC | 737K | $1M+ | SH |
| First Turn Management, LLC | 691K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 537K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
1.5%
1.5M shares
SC 13G/A · Feb 13, 2026
2.6%
2.5M shares
SC 13G/A · Nov 14, 2025
3.9%
3.2M shares
Fairmount Funds Management LLC
SC 13D/A · Oct 27, 2025
15.1%
16.0M shares
SC 13G · May 15, 2025
5.8%
0 shares
SC 13G · Apr 11, 2025
5.3%
4.3M shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · Feb 14, 2025
4.5%
3.6M shares
Venrock Opportunities Fund, L.P.
SC 13G/A · Nov 14, 2024
2.9%
1.9M shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · Nov 14, 2024
5.5%
3.6M shares
SC 13G/A · Nov 14, 2024
3.8%
2.8M shares
Paradigm BioCapital Advisors LP
SC 13G/A · Nov 14, 2024
4.6%
3.5M shares
STATE STREET CORPORATION 04-2456637
SC 13G/A · Oct 18, 2024
3.2%
2.4M shares
Fairmount Funds Management LLC
SC 13D/A · Sep 18, 2024
17.9%
15.6M shares
Fairmount Funds Management LLC 2
SC 13D/A · Apr 1, 2024
18.6%
1.4B shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · Feb 15, 2024
10.0%
5.6M shares
Viridian Therapeutics, Inc.\DE (Subject)
SC 13G/A · Feb 14, 2024
0.0%
0 shares
SC 13G/A · Feb 14, 2024
3.7%
1.9M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Feb 14, 2024
0.0%
0 shares
SC 13G/A · Feb 14, 2024
9.9%
5.4M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
5.7%
3.0M shares
SC 13G · Jan 29, 2024
6.7%
4.0M shares
SC 13G/A · Jan 29, 2024
6.5%
3.4M shares
Fairmount Funds Management LLC
SC 13D/A · Jan 24, 2024
19.4%
14.0M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G · Jan 24, 2024
5.2%
0 shares
SC 13G · Jan 10, 2024
14.5%
7.6M shares
Venrock Opportunities Fund, L.P.
SC 13G · Dec 8, 2023
5.2%
2.8M shares
Fairmount Funds Management LLC 2
SC 13D/A · Nov 3, 2023
20.0%
1.3B shares
SC 13D/A · Jun 14, 2023
0.0%
0 shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · Feb 14, 2023
10.0%
4.2M shares
SC 13G/A · Feb 14, 2023
5.0%
2.0M shares
Cormorant Global Healthcare Master Fund, LP
SC 13G/A · Feb 14, 2023
2.7%
1.1M shares
SC 13G/A · Feb 14, 2023
2.4%
984K shares
Avidity Partners Management LP
SC 13G/A · Feb 14, 2023
0.0%
0 shares
Biotechnology Value Fund, L.P.
SC 13G/A · Feb 14, 2023
3.0%
1.2M shares
SC 13G/A · Feb 14, 2023
7.9%
3.3M shares
SC 13G/A · Feb 13, 2023
4.2%
1.7M shares
SC 13G · Feb 3, 2023
6.9%
2.8M shares
SC 13G/A · Jan 26, 2023
2.0%
786K shares
Fairmount Funds Management LLC
SC 13D/A · Aug 19, 2022
20.0%
9.2M shares
Frazier Life Sciences Public Fund, L.P.
SC 13G/A · Aug 12, 2022
1.1%
300K shares
SC 13G · May 31, 2022
5.1%
1.4M shares
SC 13G · May 19, 2022
5.0%
1.4M shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · Feb 14, 2022
10.0%
2.2M shares
SC 13G/A · Feb 14, 2022
0.0%
0 shares
D. E. Shaw Valence Portfolios, L.L.C.
SC 13G/A · Feb 14, 2022
2.7%
584K shares
Cormorant Global Healthcare Master Fund, LP
SC 13G/A · Feb 14, 2022
6.0%
1.4M shares
SC 13G/A · Feb 14, 2022
0.0%
0 shares
Biotechnology Value Fund, L.P.
SC 13G/A · Feb 14, 2022
6.0%
1.3M shares