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STOCK-BASED COMPENSATION (Tables) - Rocket Lab USA, Inc.

6 Months Ended

12 Months Ended

Jun. 30, 2021

Dec. 31, 2020

Schedule of Stock-based Compensation Recorded in Consolidated Statements of Operations and Comprehensive Loss

Total stock-based compensation recorded related to the 2013 Plan in the condensed consolidated statements of operations and comprehensive loss during the six months ended June 30, 2021 and 2020, respectively consisted of the following:

		Six-Months Ended June 30,
Stock-based compensation		2021				2020
Cost of goods sold		$	604			$	715
Research and development			966				421
Selling, general and administrative			809				787
Total stock-based compensation expense			2,379				1,923

Total stock-based compensation recorded in the consolidated statements of operations and comprehensive loss during the years ended December 31 consisted of the following:

		2020				2019
Cost of goods sold		$	1,400			$	1,394
Research and development			1,183				162
Selling, general and administrative			1,636				2,374
Total stock-based compensation expense		$	4,218			$	3,930

Summary of Stock Option Activity

The following summarizes the stock option activity of the Plan for the years ended December 31:

		Options to Purchase Common Stock				Weighted- Average Exercise Price per Share				Weighted- Average Grant Date Fair Value per Share				Weighted- Average Remaining Contract Life (In Years)				Aggregate Intrinsic Value
Outstanding — at January 1, 2019			3,093,543			$	8.08			$	4.22				8.68			$	9,131
Granted			416,549				11.83				6.84
Exercised			(152,247	)			3.82								5.43				1,366
Forfeited			(254,051	)			9.70
Expired			(94,434	)			3.15
Outstanding — at December 31, 2019			3,009,360			$	8.83			$	4.57				7.95			$	11,941
Granted			10,000				12.80				7.11
Exercised			(305,867	)			3.23								3.21				2,565
Forfeited			(166,479	)			11.38
Expired			(108,873	)			9.55
Outstanding — at December 31, 2020			2,438,141			$	9.35			$	4.81				7.12			$	85,853
Options vested and exercisable — at December 31, 2020			1,626,906			$	8.82			$	4.44				6.83			$	57,660
Options vested and exercisable — at December 31, 2019			1,310,763				7.03			$	3.40				7.09			$	7,552

Summary of Weighted-average Assumptions

The following weighted-average assumptions were used in the Black-Sholes option-pricing model calculation for stock options granted for the years ended December 31:

		2020				2019
Fair value per share of common stock			12.80				11.84
Expected volatility			60.0	%			60.0	%
Risk-free interest rate			0.6	%			1.9% - 2.5	%
Expected life (years)			6.25				6.25
Dividend rate			None				None

Summary of Performance-based Restricted Stock Unit Activity

The following summarizes the performance-based restricted stock unit activity of the Plan for the years ended December 31:

		Number of Units				Weighted- Average Grant Date Fair Value
Outstanding — at January 1, 2019			—			$	—
Granted			761,430				12.80
Forfeited			(8,813	)			12.80
Outstanding — at December 31, 2019			752,617				12.80
Granted			657,239				11.32
Forfeited			(103,938	)			12.70
Outstanding — at December 31, 2020			1,305,918			$	12.06
Units expected to vest — at December 31, 2020			—			$	—
Units expected to vest — at December 31, 2019			—			$	—

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