SINTX Technologies, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

A summary of the Company’s outstanding stock option activity for the three months ended March 31, 2021 and 2020 is as follows:

			March 31, 2021
			Weighted- Average		Weighted- Average Remaining Contractual Life		Intrinsic
	Options		Exercise Price		(Years)		Value
As of December 31, 2020		465,393	$	5.53		9.3		-
Granted		368,500		1.93		10.0		-
Exercised		-		-		-		-
Forfeited		-		-		-		-
Expired		-		-		-		-
As of March 31, 2021		833,893	$	3.98		9.4	$	698,913
Exercisable at March 31, 2021		376	$	6,977.42		4.1	$	-
Vested and expected to vest at March 31, 2021		833,893	$	3.98		9.4	$	698,913

			March 31, 2020
			Weighted- Average		Weighted- Average Remaining Contractual Life		Intrinsic
	Options		Exercise Price		(Years)		Value
As of December 31, 2019		377	$	7,446.69		5.3	$	-
Granted		-		-		-		-
Exercised		-		-		-		-
Forfeited		-		-		-		-
Expired		-		-		-		-
As of March 31, 2020		377	$	7,446.69		5.1	$	-
Exercisable and vested at March 31, 2020		377	$	7,446.69		5.1	$	-

Schedule of Assumption Used for Fair Value of Option

The following weighted average assumptions were used in the calculation to estimate the fair value of options granted to employees and non-employees during the three months ended March 31, 2021.

	March 31, 2021
Weighted-average risk-free interest rate		0.73%-0.85	%
Weighted-average expected life (in years)		5.3-5.9
Expected dividend yield		-	%
Weighted-average expected volatility		138%-139	%

Schedule of Unrecognized Stock-based Compensation

Unrecognized stock-based compensation as of March 31, 2021, is as follows (in thousands):

			Weighted Average
	Unrecognized Stock-Based		Remaining of Recognition
	Compensation		(in years)
Stock options	$	779		2.5
Stock grants	$	17		2.1