Jennifer Tousignant - 02 Mar 2026 Form 4 Insider Report for Viridian Therapeutics, Inc.\DE (VRDN)

Role: Chief Legal Officer
Signature: Jennifer Tousignant
Issuer symbol: VRDN
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 19:17:16 UTC
Previous filing: 02 Jan 2026
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Tousignant Jennifer	Chief Legal Officer	C/O VIRIDIAN THERAPEUTICS, INC., 221 CRESCENT STREET, SUITE 103A, WALTHAM	Jennifer Tousignant	04 Mar 2026	0002010978

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VRDN	Common Stock	Options Exercise		+5,169			5,169	03 Mar 2026	Direct	F2
transaction	VRDN	Common Stock	Tax liability		-1,724	-33%	$29.32^*	3,445	03 Mar 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	VRDN	Stock Option (Right to Buy)	Award		+119,300		$0.000000^*	119,300	02 Mar 2026	Common Stock	119,300	$30.25	Direct	F1
transaction	VRDN	Restricted Stock Units	Award		+23,850		$0.000000^*	23,850	02 Mar 2026	Common Stock	23,850		Direct	F2, F3
transaction	VRDN	Restricted Stock Units	Options Exercise		-5,169	-25%	$0.000000^*	15,510	03 Mar 2026	Common Stock	5,169		Direct	F2, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The option vests and becomes exercisable in 48 equal monthly installments following the date of the grant, subject to the Reporting Person's continued service to Issuer through each vesting date. The date of the grant is March 2, 2026.
F2	Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of common stock of the Issuer.
F3	The RSUs vest over a four year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, March 2, 2026, subject to the Reporting Person's continued service to Issuer through each vesting date.
F4	The RSUs vest over a four year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, March 3, 2025, subject to the Reporting Person's continued service to Issuer through each vesting date.