Commission File No. 001-36483 VIRIDIAN THERAPEUTICS, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to | Title of each class | Trading Symbol(s) | Name of each exchange on which registered | | --- | - ...

Exhibit 99.1 Viridian Therapeutics Highlights Recent Progress and Reports First Quarter 2024 Financial Results - THRIVE VRDN-001 global phase 3 clinical trial in active thyroid eye disease (TED) completed and exceeded its target for enrollment in March 2024; topline readout expected in September 2024 - - THRIVE-2 VRDN-001 global phase 3 clinical trial for patients with chronic TED remains on track for topline readout by year-end 2024 - Thyroid Eye Disease Portfolio VRDN-001, an intravenously delivered anti- ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-36483 VIRIDIAN THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporatio ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) VIRIDIAN THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 47-1187261 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXC ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-36483 VIRIDIAN THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 47-1187261 (State or other jurisdi ...

Viridian Therapeutics, Inc. (NASDAQ:VRDN) Q1 2023 Results Conference Call May 9, 2023 4:30 PM ET Company Participants Louisa Stone - Manager, IR Scott Myers - President and CEO Kristian Humer - Chief Financial and Business Officer Dr. Thomas Ciulla - Chief Development Officer Todd James - SVP, Corporate Affairs and IR Conference Call Participants Derek Archila - Wells Fargo Gavin Clark-Gartner - Evercore ISI Thomas Smith - SVB Securities Laura Chico - Wedbush Securities Kalpit Patel - B. Riley Securities Ja ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No. 001-36483 VIRIDIAN THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 47-1187261 (State or other jurisd ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-36483 221 Crescent Street, Suite 401, Waltham, MA 02453 (Address of principal executive offices) Registrant's telephone number, inclu ...

Viridian Therapeutics, Inc. (NASDAQ:VRDN) Q4 2022 Earnings Conference Call March 8, 2023 8:00 AM ET Company Participants Louisa Stone - Manager, Investor Relations Scott Myers - President and Chief Executive Officer Kristian Humer - Chief Financial Officer Deepa Rajagopalan - Chief Product and Strategy Officer Todd James - Senior Vice President, Corporate Affairs and Investor Relations Conference Call Participants Gavin Clark-Gartner - Evercore ISI Laura Chico - Wedbush Securities Jason Butler - JMP Securit ...

%VIRIDIAN J.P. Morgan 41st Annual Healthcare Conference January 9, 2023 Cautionary note regarding forward-looking statements This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements may be identified by the use of words such as, but not limited to, "anticipate," "believe," "continue," "could," "estimate," "expect," "intend," "may," "might," "plan," "potential," "predict," "project," "should," "target," "will," or "woul ...