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Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2025

Share-based Compensation

Schedule of share-based compensation expense

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Three months ended September 30,

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Nine months ended September 30,

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2025

2024

2025

2024

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(in thousands)

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Cost of sales

$

1,771

$

1,565

$

5,105

$

4,740

Research and development

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2,840

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3,111

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8,902

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8,422

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Selling, general, and administrative

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4,534

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4,783

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13,997

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13,612

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Total

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$

9,145

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$

9,459

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$

28,004

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$

26,774

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Summary of non-vested restricted and performance shares activity

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​	​	​	​	​	​
​		​		Weighted
​	​	​	​	Average
​	​	Number of	​	Grant Date
​	​	Shares	​	Fair Value
​	​	(in thousands)	​	​	​
Balance - December 31, 2024	​	2,604	​	$	32.53
Granted	​	1,172	​	​	22.94
Performance award adjustments	​	(21)	​	​	45.28
Vested	​	(898)	​	​	31.63
Forfeited	​	(102)	​	​	26.73
Balance - September 30, 2025	​	2,755	​	$	28.86

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- References

No definition available.

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- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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