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Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2022

Stock Incentive Plans

Summary of stock option activity

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​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​		​	Weighted	​	​	​
​	​	​	​	​		​	Average	​	Aggregate
​	​	​	​	Weighted-		​	Remaining	​	Intrinsic
​	​	​	​	Average		​	Contractual	​	Value
​		Shares		Exercise Price			Term (years)		(in thousands)
Outstanding at December 31, 2021		1,346,733	​	$	22.25		9.02	​	$	168
Granted		650,150	​	$	6.48	​	​	​	​	​
Cancelled or forfeited		(34,233)	​	$	17.56	​	​	​	​	​
Outstanding at March 31, 2022	​	1,962,650	​	$	17.11	​	9.14	​	$	381
Vested and exercisable at March 31, 2022		175,632	​	$	58.41	​	7.27	​	$	228

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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