v3.22.1

STOCK-BASED COMPENSATION - Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Number of Options
Forfeited (in shares)	(147,824)
Expired (in shares)	(45,744)
Weighted- Average Exercise Price
Expired (USD per share)	$ 6.04
Class A common stock
Number of Options
Outstanding options, beginning balance (in shares)	3,410,387
Exercised (in shares)	(4,396)
Outstanding options, ending balance (in shares)	3,212,423	3,410,387
Exercisable and vested, ending balance (in shares)	3,124,911
Weighted- Average Exercise Price
Outstanding options, beginning balance (USD per share)	$ 4.13
Exercised (USD per share)	1.56
Forfeited (USD per share)	4.77
Outstanding options, ending balance (USD per share)	4.07	$ 4.13
Exercisable and vested, ending balance (USD per share)	$ 4.12
Weighted- Average Remaining Contractual Life (Years)
Outstanding options, weighted average remaining contractual life (years)	3 years 10 months 24 days	4 years 8 months 12 days
Exercisable and vested, weighted average remaining contractual life (years)	3 years 9 months 18 days
Aggregate Intrinsic Value
Outstanding, aggregate intrinsic value, beginning balance	$ 2,496
Exercised, aggregate intrinsic value	8
Outstanding, aggregate intrinsic value, ending balance	0	$ 2,496
Exercisable, aggregate intrinsic value	$ 0

Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value

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Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Weighted Average Remaining Contractual Term

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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Romeo Power, Inc. 10-Q