During the three months ended March 31, 2024, the Company issued restricted stock awards for 465,972 shares of Common Stock, of which awards for 8,349 shares were fully vested on the grant date, awards for 72,400 shares vest over two years, awards for 92,875 shares vest over three years, awards for 291,334 shares vest over four years and awards for 1,014 shares cliff vest after 2 years.

Stock option award and restricted stock award activity during the three months ended March 31, 2024 and 2023 was as follows:


	Shares Subject to Stock Option Awards
	Three Months Ended March 31,
	2024							2023
	Avg wtd		Avg wtd					Avg wtd		Avg wtd
	grant-date		exercise					grant-date		exercise
	fair value		price		Units			fair value		price		Units
Outstanding at beginning of period	$	4.68	$	8.76		1,801,853		$	4.31	$	7.57		2,884,180
Forfeited		—		—		—			—		—		—
Exercised		4.41		8.45		(378,149	)		3.63		5.80		(294,892	)
Outstanding at end of period	$	4.76	$	8.84		1,423,704		$	4.39	$	7.77		2,589,288
Vested	$	4.74	$	8.79		1,247,506		$	4.35	$	7.67		2,413,090
Unvested		4.85		9.23		176,198			4.85		9.23		176,198


	Restricted Stock Awards
	Three Months Ended March 31,
	2024					2023
	Avg wtd grant-					Avg wtd grant-
	date fair value		Units			date fair value		Units
Unvested at beginning of period	$	30.39		853,748		$	25.38		1,153,515
Granted		40.03		465,972			29.72		436,754
Vested		30.66		(382,099	)		22.45		(680,423	)
Forfeited		30.49		(3,419	)		27.27		(2,413	)
Unvested at end of period	$	35.09		934,202		$	29.66		907,433

The Company recorded $4.0 million and $4.3 million of share-based compensation expense during the three months ended March 31, 2024 and 2023, respectively, in personnel compensation and benefits in the unaudited Condensed Consolidated Statements of Operations.