On December 23, 2021, the Company executed the Fathom Digital Manufacturing 2021 Omnibus Incentive Plan (the "2021 Omnibus Plan") to encourage the profitability and growth of the Company through short-term and long-term incentives that are consistent with the Company's objectives. The 2021 Omnibus Plan provides that the Company may grant options, stock appreciation rights, restricted shares, restricted stock units, performance-based awards (including performance-based restricted shares and restricted stock units), other share-based awards, other cash-based awards, and any combination of the foregoing.

The stock option valuation assumptions for the three months ended March 31, 2022 are provided in the table below.


	March 31, 2022
Expected term (years)	4.5
Expected volatility		58.7	%
Expected dividend yield		0.0	%
Risk-free interest rate		1.91	%
Fair value of share	$	4.26

In February 2022, the Company granted stock options to purchase up to 317,091 shares of Class A common stock at a weighted average exercise price of $8.71 per share which generally vest over a requisite service period of three years. The total intrinsic value of options exercised during the three months ended March 31, 2022 was $0.

At March 31, 2022, there was approximately $1,312 of total unrecognized compensation cost related to unvested stock options granted under the 2021 Omnibus Plan. That cost is expected to be recognized over a weighted average period of 2.92 years as of March 31, 2022.

The Company currently uses authorized and unissued shares to satisfy share award exercises.

A summary of the status of the Company's restricted stock unit activity and the changes during the three months ended March 31, 2022 are as follows:


	Shares		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value
Non-vested at December 31, 2021		6,472,617	$	8.21	$	-
Granted		727,601		9.01		-
Vested		-		-		-
Forfeited		-		-		-
Non-vested at March 31, 2022		7,200,218	$	9.01	$	-

At March 31, 2022, there was approximately $10,259 of total unrecognized compensation cost related to unvested restricted stock units granted under the 2021 Omnibus Plan. That cost is expected to be recognized over a weighted average period of 2.85 years as of March 31, 2022.

Total stock based compensation expenses was $2,130 and $139 for the three months ended March 31, 2022 and 2021, respectively.