We grant RSUs, and prior to January 2020 we granted RSAs, to participants in our equity plans. Performance-based RSUs granted in the six months ended June 28, 2025, included certain grants that vest based on our total shareholder return ranking relative to the Nasdaq US Benchmark Auto Parts Index over a three-year performance period (market condition), and other grants that vest based upon achievement of return on invested capital targets over a three-year performance period (performance condition).

Compensation cost related to RSU and RSA grants was $4.2 million and $3.2 million for the three months ended June 28, 2025, and June 29, 2024, respectively, and $7.5 million and $5.7 million for the six months ended June 28, 2025, and June 29, 2024, respectively, and was included in selling, general, and administrative expenses in the Condensed Consolidated Statements of Operations.


	Shares	Weighted Average Fair Value
Balance at December 31, 2024	340,578	$	97.84
Granted	142,677	$	140.50
Vested	(113,057)	$	96.22
Canceled	(9,694)	$	104.43
Balance at June 28, 2025	360,504	$	115.84

For the six months ended June 28, 2025, we granted 21,948 performance-based RSUs containing a market condition with a grant date fair value of $195.03 per share. For the six months ended June 29, 2024, we granted 32,109 performance-based RSUs containing a market condition with a grant date fair value of $138.58 per share.

As of June 28, 2025, there was $30.0 million of unrecognized compensation cost related to unvested RSU grants that is expected to be recognized over a weighted average period of 2.1 years.

From time to time, we grant stock options to participants in our equity plans. Compensation cost related to stock option grants was $0.3 million and $0.4 million for the three months ended June 28, 2025, and June 29, 2024, respectively, and $0.6 million and $0.8 million for the six months ended June 28, 2025, and June 29, 2024, respectively, and is included as selling, general, and administrative expenses in the Condensed Consolidated Statements of Operations.

The following table summarizes our stock option activity for the six months ended June 28, 2025:


	Shares	Weighted Average Price		Weighted Average Remaining Term (years)	Aggregate Intrinsic Value (in thousands)
Balance at December 31, 2024	234,289	$	89.44

Canceled	(1,775)	$	88.77
Exercised	(7,361)	$	99.09
Balance at June 28, 2025	225,153	$	89.12	4.1	$	7,924
Exercisable at June 28, 2025	174,092	$	87.92	3.7	$	6,337

As of June 28, 2025, there was $1.4 million of unrecognized compensation cost related to unvested stock options, which is expected to be recognized over a weighted average period of 1.5 years.