VRDN

Viridian Therapeutics, Inc.\DE

Pharmaceutical PreparationsNasdaqLarge accelerated filer

Total Trades

33

Buys

7

Sells

17

Largest Trade

$1M+

Insiders

8

Institutional Funds

165

Inst. Value

$1M+

Activist Filings

50

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Tousignant JenniferChief Legal OfficerSELL$50K–$100K2K$31.16Jan 2, 2026
Fairmount Funds Management LLCDirectorBUY$1M+455K$22.00Oct 27, 2025
Beetham Thomas W.COOBUY$100K–$500K5K$23.41Sep 30, 2024
Mahoney Stephen F.President and CEOBUY$100K–$500K21K$23.33Sep 30, 2024
Fairmount Funds Management LLCDirectorBUY$1M+476K$21.00Jan 24, 2024
Meisner LaraChief Legal OfficerEXERCISE$50K–$100K2K$23.03Jun 20, 2023
Meisner LaraChief Legal OfficerSELL$50K–$100K2K$28.02Jun 20, 2023
Meisner LaraChief Legal OfficerEXERCISE$100K–$500K8K$17.38Jun 6, 2023
Meisner LaraChief Legal OfficerSELL$100K–$500K8K$24.82Jun 6, 2023
Myers Scott DunsethCEOBUY$100K–$500K4K$25.37Apr 12, 2023
Myers Scott DunsethCEOBUY$100K–$500K6K$29.15Mar 13, 2023
Meisner LaraGeneral Counsel an…SELL$500K+30K$29.07Mar 10, 2023
Violin JonathanChief Executive O…SELL$1M+50K$36.80Feb 3, 2023
Meisner LaraGeneral Counsel an…SELL$100K–$500K7K$35.66Jan 25, 2023
Meisner LaraGeneral Counsel an…EXERCISE$100K–$500K7K$20.56Jan 25, 2023
Katz BarrettChief Medical Offi…EXERCISE$500K+29K$23.03Jan 18, 2023
Katz BarrettChief Medical Offi…SELL$1M+29K$37.18Jan 18, 2023
Katz BarrettChief Medical Offi…EXERCISE$1M+60K$23.03Jan 12, 2023
Katz BarrettChief Medical Offi…SELL$1M+60K$34.82Jan 12, 2023
Meisner LaraGeneral Counsel an…EXERCISE$100K–$500K17K$23.03Dec 22, 2022
Meisner LaraGeneral Counsel an…SELL$100K–$500K17K$29.15Dec 22, 2022
Meisner LaraGeneral Counsel an…SELL$15K–$50K2K$28.37Dec 20, 2022
Meisner LaraGeneral Counsel an…EXERCISE$15K–$50K2K$23.03Dec 20, 2022
Meisner LaraGeneral Counsel an…SELL$100K–$500K16K$28.12Dec 15, 2022
Meisner LaraGeneral Counsel an…EXERCISE$100K–$500K16K$23.03Dec 15, 2022
Meisner LaraGeneral Counsel an…SELL$100K–$500K8K$22.05Nov 16, 2022
Meisner LaraGeneral Counsel an…EXERCISE$100K–$500K8K$14.00Nov 16, 2022
Fairmount Funds Management LLCDirectorBUY$1M+426K$23.50Aug 19, 2022
Violin JonathanChief Executive O…SELL$100K–$500K30K$12.20Jun 2, 2022
Violin JonathanCEOSELL$100K–$500K30K$13.04May 4, 2022
Violin JonathanChief Executive O…SELL$500K+30K$18.92Apr 5, 2022
Violin JonathanChief Executive O…SELL$500K+30K$17.65Mar 3, 2022
Violin JonathanChief Executive O…SELL$500K+30K$19.09Feb 3, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Kynam Capital Management, LP

SC 13G/A · Feb 17, 2026

1.5%

1.5M shares

Deep Track Capital, LP

SC 13G/A · Feb 13, 2026

2.6%

2.5M shares

Commodore Capital LP

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

Kynam Capital Management, LP

SC 13G · May 15, 2025

5.8%

0 shares

Commodore Capital LP

SC 13G · Apr 11, 2025

5.3%

4.3M shares

4.5%

3.6M shares

Venrock Opportunities Fund, L.P.

SC 13G/A · Nov 14, 2024

2.9%

1.9M shares

5.5%

3.6M shares

Perceptive Advisors LLC

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

10.0%

5.6M shares

0.0%

0 shares

Commodore Capital LP

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

Deep Track Capital, LP

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

Perceptive Advisors LLC

SC 13G · Jan 29, 2024

6.7%

4.0M shares

BlackRock, Inc.

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

FMR LLC

SC 13G · Jan 10, 2024

14.5%

7.6M shares

5.2%

2.8M shares

Fairmount Funds Management LLC 2

SC 13D/A · Nov 3, 2023

20.0%

1.3B shares

ATLAS VENTURE FUND VII, L.P.

SC 13D/A · Jun 14, 2023

0.0%

0 shares

SC 13G · May 11, 2023

0.0%

0 shares

SC 13G/A · Feb 14, 2023

0.0%

0 shares

10.0%

4.2M shares

Commodore Capital LP

SC 13G/A · Feb 14, 2023

5.0%

2.0M shares

2.7%

1.1M shares

TCG Crossover GP I, LLC

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

Deep Track Capital, LP

SC 13G/A · Feb 14, 2023

7.9%

3.3M shares

Vivo Opportunity, LLC

SC 13G/A · Feb 13, 2023

4.2%

1.7M shares

BlackRock, Inc.

SC 13G · Feb 3, 2023

6.9%

2.8M shares

Millennium Management LLC

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

1.1%

300K shares

Millennium Management LLC

SC 13G · May 31, 2022

5.1%

1.4M shares

Commodore Capital LP

SC 13G · May 19, 2022

5.0%

1.4M shares

10.0%

2.2M shares

RA Capital Management, L.P.

SC 13G/A · Feb 14, 2022

0.0%

0 shares

2.7%

584K shares

6.0%

1.4M shares

Logos Global Management LP

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

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