SINTX Technologies, Inc. Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

A summary of the Company’s outstanding stock option activity for the years ended December 31, 2022 and 2021 is as follows:

Schedule of Stock Option Activity

			December 31, 2022
			Weighted- Average Exercise		Weighted- Average Remaining Contractual Life		Intrinsic
	Options		Price		(Years)		Value
As of December 31, 2021		8,339	$	391.00		8.7		87,553
Granted		3,570		44.60		10.0		-
Exercised		-		-		-		-
Forfeited		-		-		-		-
Expired		-		-		-		-
As of December 31, 2022		11,909	$	234.02		6.9	$	-
Exercisable at December 31, 2022		11,301	$	239.73		6.9	$	-
Vested and expected to vest at December 31, 2022		10,026	$	256.90		6.9	$	-

			December 31, 2021
			Weighted- Average Exercise		Weighted- Average Remaining Contractual Life		Intrinsic
	Options		Price		(Years)		Value
As of December 31, 2020		4,654	$	553		9.3		511,518
Granted		3,685		193		10.0		-
Exercised		-		-		-		-
Forfeited		-		-		-		-
Expired		-		-		-		-
As of December 31, 2021		8,339	$	391		8.7	$	87,553
Exercisable at December 31, 2021		2,682	$	1,004		8.3	$	46,449
Vested and expected to vest at December 31, 2021		8,303	$	391		8.7	$	86,703

	Year Ended
	December 31, 2022
Weighted-average risk-free interest rate		1.70	%
Weighted-average expected life (in years)		5.5
Expected dividend yield		-	%
Weighted-average expected volatility		131	%

Unrecognized stock-based compensation as of December 31, 2022, is as follows (in thousands):