Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2025

Share-Based Payment Arrangement [Abstract]

The following table sets forth a summary of stock option activity, weighted-average exercise prices and options outstanding as of September 30, 2025 (in thousands, except per share amounts and years):


	Nine Months Ended September 30,
	2025			2024
	Common Stock Options	Weighted Average Exercise Price		Common Stock Options	Weighted Average Exercise Price
Outstanding at beginning of period:	250	$	5.36	250	$	5.36
Granted	435	$	9.14	—	$	—
Exercised	—	$	—	—	$	—
Expired or forfeited	—	$	—	—	$	—
Outstanding at end of period:	685	$	7.76	250	$	5.36

Schedule of Fully-vested Common Stock Issued to Non-employee Directors

A summary of the fully-vested common stock the Company issued to its non-employee directors, in connection with its non-employee director compensation, is as follows (in thousands):


	Nine months ended September 30,
	2025		2024
Awards issued	72		60
Grant date fair value of awards issued	$	571	$	549

Schedule of Vesting Activity of Restricted Stock Unit Awards

A summary of the vesting activity of RSU awards, with the respective fair value of the awards, is as follows:


	Nine months ended September 30,
	2025		2024
Restricted stock awards vested	592		461
Fair value of awards vested	$	5,628	$	4,184

Schedule of Company's Outstanding, Nonvested Restricted Share Units and Performance Restricted Stock Units

A summary of the Company's outstanding, non-vested RSUs is as follows:


	Nine months ended September 30,
	2025			2024
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	1,231	$	8.41	1,184	$	8.07
Granted	395	$	9.36	726	$	8.52
Vested	(592)	$	9.51	(461)	$	9.08
Forfeited	(218)	$	8.53	(179)	$	8.39
Outstanding at end of period:	816	$	8.72	1,270	$	8.39

A summary of the Company's PRSU activity is as follows:


	Nine months ended September 30,
	2025			2024
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	125	$	9.12	60	$	9.33
Granted	507	$	10.08	295	$	8.76
Performance condition adjustments	(203)	$	8.76	(187)	$	8.76
Released	(3)	$	9.84	—	$	—
Forfeited	(22)	$	7.21	—	$	—
Outstanding at end of period:	404	$	9.91	168	$	9.18

Mistras Group, Inc. 10-Q