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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Revenues | $ 770 | $ 400 | $ 2,744 | $ 1,227 | $ 14,933 | $ 16,946
Research and development | 13,452 | 10,431 | 35,804 | 29,293 | 43,436 | 39,469
General and administrative | 9,177 | 5,149 | 21,463 | 15,677 | 20,999 | 20,305
Truck and freight operations | 6,627 | 2,094 | 16,102 | 5,996 | 9,013 | 7,662
Sales and marketing | 1,483 | 934 | 3,290 | 2,520 | 3,204 | 3,359
Total operating expenses | 30,739 | 18,608 | 76,659 | 53,486 | 76,652 | 70,795
Loss from operations | (29,969) | (18,208) | (73,915) | (52,259) | (61,719) | (53,849)
Interest expense | (941) | (1,219) | (3,365) | (3,760) | (4,951) | (5,407)
Interest income and other, net |  |  |  |  | 895 | 2,194
Interest income and other, net | (3,018) | 176 | (2,555) | 595 |  |
Loss on issuance of Series A cumulative redeemable convertible preferred stock | (84,174) | 0 | (84,174) | 0 |  |
Loss on issuance of common stock | (3,220) | 0 | (3,220) | 0 |  |
Loss on issuance of common stock warrants | (123,328) | 0 | (123,328) | 0 |  |
Change in fair value of second lien loans | (21,784) | 0 | (23,938) | 0 |  |
Change in fair value of simple agreements for future equity | 2,473 | 0 | (190,075) | 0 | (4,109) | 0
Change in fair value of redeemable convertible preferred stock warrant liabilities | (5,974) | 107 | (7,272) | 321 | 426 | 126
Total other expenses, net | (239,966) | (936) | (437,927) | (2,844) | (7,739) | (3,087)
Net loss before income taxes | (269,935) | (19,144) | (511,842) | (55,103) | (69,458) | (56,936)
Income taxes | 0 | 0 | (4) | (4) | (1) | (9)
Net loss and comprehensive loss | $ (269,935) | $ (19,144) | $ (511,846) | $ (55,107) | (69,459) | (56,945)
Unrealized loss on marketable securities |  |  |  |  | 0 | (10)
Comprehensive loss |  |  |  |  | $ (69,459) | $ (56,955)
Weighted average shares outstanding, basic (in shares) | 69,405 | 58,398 | 62,978 | 58,338 | 88,181 | 87,459
Weighted average shares outstanding, diluted (in shares) | 69,405 | 58,398 | 62,978 | 58,338 | 88,181 | 87,459
Basic net loss per share (in USD per share) | $ (3.89) | $ (0.33) | $ (8.13) | $ (0.94) | $ (0.79) | $ (0.65)
Diluted net loss per share (in USD per share) | $ (3.89) | $ (0.33) | $ (8.13) | $ (0.94) | $ (0.79) | $ (0.65)

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