Company: AAOI
Filing Date: 2025-11-06
Form Type: 10-Q
Source: 0001437749-25-033627
Chunk: 140

Company: APPLIED OPTOELECTRONICS, INC.
Filing Date: 2025-11-06
Form: 10-Q
Item: Part I, Item 8
Chunk 140
---
8
     %
      
     $
     18,986

     58.5
     %

      Nine months ended September 30, 

      2025 

      2024 

      Change 

      % of 

      % of 

      Amount 

      revenue 

      Amount 

      revenue 

      Amount 

     %

      (in thousands, except percentages) 

      Research and development 
      
     $
     59,687

     18.6
     %
      
     $
     38,218

     25.7
     %
      
     $
     21,469

     56.2
     %

      Sales and marketing 

     23,363

     7.3
     %

     14,503

     9.7
     %

     8,860

     61.1
     %

      General and administrative 

     55,020

     17.1
     %

     44,786

     30.0
     %

     10,234

     22.9
     %

      Total operating expenses 
      
     $
     138,070

     43.0
     %
      
     $
     97,507

     65.4
     %
      
     $
     40,563

     41.6
     %

Research and development expense

​

Research and development expense increased by $7.8 million, or 58.4%, for the three months ended September 30, 2025 compared to the three months ended September 30, 2024. Research and development expense increased by $21.5 million, or 56.2%, for the nine months ended September 30, 2025 compared to the nine months ended September 30, 2024. The increases were primarily due to increased personnel-related expense and increased  R&D related project costs. The increases in R&D expenses were driven by customer demand for new products as well as acceleration of previously-planned project expenditures which were necessary to accommodate accelerated demand projections for these products from certain customers.

Sales and marketing expense

​

Sales and marketing expense increased by $5.1 million, or 105.8%, for the three months ended September 30, 2025 compared to the three months ended September 30, 2024. Sales and marketing expense increased by