6.     Property, Plant and Equipment

Property, plant and equipment, net, including equipment under finance lease obligations and capitalized software development costs, consisted of the following:

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For the three months ended September 30, 2026 and September 30, 2025, total depreciation and amortization expense related to property, plant and equipment was $11.8 million and $7.3 million, respectively. For the nine months ended September 30, 2026 and September 30, 2025, total depreciation and amortization expense related to property, plant and equipment was $30.7 million and $19.0 million, respectively.

Property and equipment under finance lease obligations, consisting of computer equipment, totaled $47.7 million and $31.6 million as of September 30, 2026 and December 31, 2025, respectively. As of September 30, 2026 and December 31, 2025, accumulated depreciation related to property and equipment under finance lease obligations totaled $22.0 million and $20.9 million, respectively. Refer to Note 7 for further information.

There were no impairments of Property, plant and equipment identified during the nine months ended September 30, 2026 or September 30, 2025.