THOMAS ANTHONY DINEEN - 06 Mar 2026 Form 4 Insider Report for STURM RUGER & CO INC (RGR)

Role: Treasurer and CFO
Signature: /s/ David J. Muhlenberg, attorney-in-fact
Issuer symbol: RGR
Transactions as of: 06 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 10 Mar 2026, 16:51:29 UTC
Previous filing: 04 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
DINEEN THOMAS ANTHONY	Treasurer and CFO	C/O STURM, RUGER & COMPANY, INC., ONE LACEY PLACE, SOUTHPORT	/s/ David J. Muhlenberg, attorney-in-fact	10 Mar 2026	0001242561

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RGR	Common Stock	Award		+764	+2.8%	$0.000000^*	28,244	06 Mar 2026	with spouse
transaction	RGR	Common Stock	Tax liability		-354	-1.3%	$37.11^*	27,890	06 Mar 2026	with spouse

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	RGR	Restricted Stock Units	Award		+12,800	+56%	$0.000000^*	35,822	06 Mar 2026	Common Stock	12,800	$0.000000	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit vests and converts to the cash value of one share of common stock on March 6, 2029, in accordance with the terms of the award.