Company: CALX
Filing Date: 2025-10-30
Form Type: 10-Q
Source: 0001406666-25-000045
Chunk: 118

Company: CALIX, INC
Filing Date: 2025-10-30
Form: 10-Q
Item: Part I, Item 2
Chunk 118
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2024. International revenue was $16.2 million and $48.1 million, or 6% and 7% of our revenue, respectively, for the three and nine months ended September 27, 2025, as compared to $13.9 million and $45.5 million, or 7% of our revenue, for the same periods in 2024.

No customer accounted for more than 10% of our revenue for the three and nine months ended September 27, 2025 or September 28, 2024.

Gross Profit and Gross Margin

The following table sets forth our gross profit and gross margin (dollars in thousands):

 Three Months EndedNine Months Ended September 27,2025September 28,2024VarianceinDollarsVarianceinPercentSeptember 27,2025September 28,2024VarianceinDollarsVarianceinPercentGross profit$152,010 $110,047 $41,963 38 %$411,013 $340,227 $70,786 21 %Gross margin57.3 %54.8 %56.5 %54.4 %

Gross profit increased to $152.0 million and $411.0 million for the three and nine months ended September 27, 2025, from $110.0 million and $340.2 million during the corresponding periods in 2024. These increases were mainly due to the corresponding increases in revenue. Our gross margin increased by 250 and 210 basis points for the three and nine months ended September 27, 2025, respectively, compared to the corresponding periods in 2024, primarily related to the continued growth in our platform, cloud and managed services offerings.

Operating Expenses

Sales and Marketing Expenses

The following table sets forth our sales and marketing expenses (dollars in thousands):

 Three Months EndedNine Months Ended September 27,2025September 28,2024VarianceinDollarsVarianceinPercentSeptember 27,2025September 28,2024VarianceinDollarsVarianceinPercentSales and marketing expenses$60,257 $52,301 $7,956 15 %$181,969 $158,436 $23,533 15 %Percent of revenue23 %26 %25 %25 %

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Table of Contents

Sales and marketing expenses