Goodwill and Other Intangible Assets, Net (Tables)

9 Months Ended

Sep. 30, 2026

Intangible Asset, Goodwill and Other [Abstract]

Goodwill

Changes in the carrying amount of goodwill by operating segment during the nine months ended September 30, 2026, consisted of the following (in thousands):

	Array Legacy Operations(1)		STI Operations(2)		Total
Balance, December 31, 2025	$	135,173	$	—	$	135,173
Goodwill acquired–AWM	91,082		—		91,082
Measurement period adjustment–APA	5,510		—		5,510
Balance, September 30, 2026	$	231,765	$	—	$	231,765

(1) Goodwill attributable to Array Legacy Operations is net of cumulative impairments of $51.9 million.

(2) Goodwill attributable to STI Operations is net of cumulative impairments of $338.6 million

Schedule of Finite-Lived Intangible Assets, Net

Other intangible assets, net consisted of the following (in thousands, except useful lives):

	Estimated Useful Lives (Years)	September 30, 2026		December 31, 2025
Amortizable:
Developed technology	5-14	$	243,800	$	225,800
Computer software and other	3-5	33,799		29,285
Customer relationships	5-10	264,135		230,660
Backlog	1	29,971		22,635
Trade name	10-20	35,544		27,139
Total amortizable intangibles		607,249		535,519
Accumulated amortization:
Developed technology		154,187		139,669
Computer software and other		18,299		16,046
Customer relationships		142,683		127,301
Backlog		22,638		20,447
Trade name		5,104		3,777
Total accumulated amortization		342,911		307,240
Total amortizable intangibles, net		264,338		228,279
Non-amortizable:
Trade name		10,300		10,300
Total other intangible assets, net		$	274,638	$	238,579

Schedule of Indefinite-Lived Intangible Assets, Net

Other intangible assets, net consisted of the following (in thousands, except useful lives):

	Estimated Useful Lives (Years)	September 30, 2026		December 31, 2025
Amortizable:
Developed technology	5-14	$	243,800	$	225,800
Computer software and other	3-5	33,799		29,285
Customer relationships	5-10	264,135		230,660
Backlog	1	29,971		22,635
Trade name	10-20	35,544		27,139
Total amortizable intangibles		607,249		535,519
Accumulated amortization:
Developed technology		154,187		139,669
Computer software and other		18,299		16,046
Customer relationships		142,683		127,301
Backlog		22,638		20,447
Trade name		5,104		3,777
Total accumulated amortization		342,911		307,240
Total amortizable intangibles, net		264,338		228,279
Non-amortizable:
Trade name		10,300		10,300
Total other intangible assets, net		$	274,638	$	238,579

Schedule of Future Annual Amortization Expense of Amortizable Intangible Assets

Estimated future amortization expense of intangible assets as of September 30, 2026, is as follows (in thousands):

	Amount
Remainder of 2026	$	15,014
2027	57,112
2028	51,631
2029	51,631
2030	41,064
Thereafter	47,886
	$	264,338