Biggest changeRegistered Direct Offering On December 23, 2024, the Company issued an aggregate of 1,036,458 shares of the Company’s common stock, par value $0.001 per share, at a purchase price of $33.97 per share, in a registered direct offering (the "Registered Direct Offering"). The Registered Direct Offering was made pursuant to the Automatic Shelf Registration Statement.
Biggest changeApr-25 12.69 2,110,057 26,245 536 Raymond James & Associates and Needham & Company, LLC Jun-25 17.46 5,725,948 98,000 2,000 Raymond James & Associates and Needham & Company, LLC Sep-25 26.41 5,680,235 147,000 3,000 Raymond James & Associates and Needham & Company, LLC Nov-25 23.15 2,778,564 63,050 1,287 Raymond James & Associates and Needham & Company, LLC Dec-25 29.51 3,919,517 113,350 2,313 Total 23,749,971 $ 519,400 $ 10,600 Registered Direct Offering On December 23, 2024, the Company issued an aggregate of 1,036,458 shares of the Company’s common stock, par value $0.001 per share, at a purchase price of $33.97 per share, in a registered direct offering (the "Registered Direct Offering").
We derive a significant portion of our revenue from our top ten customers, and we anticipate that we will continue to do so for the foreseeable future.
We derive a significant portion of our revenue from our top ten customers, and we anticipate that we will continue to do so for the foreseeable future.
On December 23, 2024, the Company issued approximately $125.0 million aggregate principal amount of 2.750% convertible senior notes due 2030 (the “2030 Notes"), and on the same day consummated various separate, privately negotiated exchange agreements with certain holders of its 2026 Notes to exchange approximately $76.6 million principal amount of the 2026 Notes for aggregate consideration consisting of (i) $125.0 million aggregate principal amount of the 2030 Notes, (ii) 1,487,874 shares of the Company's common stock, par value $0.001 per share and (iii) approximately $0.9 million of cash in aggregate.
On December 23, 2024, the Company issued approximately $125.0 million aggregate principal amount of 2.750% convertible senior notes due 2030 (the "2030 Notes"), and on the same day consummated various separate, privately negotiated exchange agreements with certain holders of its 2026 Notes to exchange approximately $76.6 million principal amount of the 2026 Notes for aggregate consideration consisting of (i) $125.0 million aggregate principal amount of the 2030 Notes, (ii) 1,487,874 shares of the Company's common stock, par value $0.001 per share and (iii) approximately $0.9 million of cash in aggregate.
Global renewed its national high-tech enterprise certificate in 2011, 2014, 2017, 2020, and 2023 extending its three-year tax preferential status through December 2026. For the years ended December 31, 2024 and 2023, we had $0.2 million each, of unrecognized tax benefits related to U.S. tax benefits recognized for which we do not meet the more likely than not threshold.
Global renewed its national high-tech enterprise certificate in 2011, 2014, 2017, 2020, and 2023 extending its three-year tax preferential status through December 2026. For the years ended December 31, 2025 and 2024, we had $0.2 million each, of unrecognized tax benefits related to U.S. tax benefits recognized for which we do not meet the more likely than not threshold.
However, there is no guarantee that we may increase selling prices or reduce costs to fully mitigate the effect of inflation on our costs, which may adversely impact our sales margins and profitability. 41 Table of Contents Critical Accounting Policies and Estimates Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements, which have been prepared in accordance with U.S.
However, there is no guarantee that we may increase selling prices or reduce costs to fully mitigate the effect of inflation on our costs, which may adversely impact our sales margins and profitability. 50 Table of Contents Critical Accounting Policies and Estimates Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements, which have been prepared in accordance with U.S.
Our gross margin varies quarter to quarter and varies primarily due to the product mix in a particular quarter, as well as from the level of manufacturing efficiencies, production yields (particularly in the laser chip fabrication process) and overall supply costs. 35 Table of Contents Results of Operations The following table sets forth our results of operations for the periods presented as a percentage of our revenue for those periods.
Our gross margin varies quarter to quarter and varies primarily due to the product mix in a particular quarter, as well as from the level of manufacturing efficiencies, production yields (particularly in the laser chip fabrication process) and overall supply costs. 43 Table of Contents Results of Operations The following table sets forth our results of operations for the periods presented as a percentage of our revenue for those periods.
We believe our close coordination with our customers regarding their future product requirements enhances the efficiency of our research and development expenditures. 32 Table of Contents Discussion of Financial Performance Revenue We generate revenue through the sale of our products to equipment providers for the internet data center, CATV, telecom, FTTH and other markets.
We believe our close coordination with our customers regarding their future product requirements enhances the efficiency of our research and development expenditures. 40 Table of Contents Discussion of Financial Performance Revenue We generate revenue through the sale of our products to equipment providers for the internet data center, CATV, telecom, FTTH and other markets.
Notwithstanding the foregoing, however, in general for our mature products our cost of goods sold for a particular product declines over time as a result of increasing efficiencies in the manufacturing processes, or supply cost declines, as well as yield improvements and testing enhancements. We manufacture products in three of our four facilities located in the U.S., Taiwan and China.
Notwithstanding the foregoing, however, in general for our mature products our cost of goods sold for a particular product declines over time as a result of increasing efficiencies in the manufacturing processes, or supply cost declines, as well as yield improvements and testing enhancements. We manufacture products in our facilities located in the U.S., Taiwan and China.
Research and development costs consist of R&D work orders, R&D material usage and other project related costs related to 100 Gbps, 200/400/800/1600 Gbps data center products, DOCSIS 4.0 capable CATV products, including 1.8 GHz-capable amplifier products, and other new product development, and depreciation expense resulting from R&D equipment investments.
Research and development costs consist of R&D work orders, R&D material usage and other project related costs related to 100 Gbps, 200/400/800/1,600 Gbps data center products, DOCSIS 4.0 capable CATV products, including 1.8 GHz-capable amplifier products, and other new product development, and depreciation expense resulting from R&D equipment investments.
The Company also agreed to reimburse the Sales Agent for certain specified expenses in connection with the registration of Shares under state blue sky laws and any filing with, and clearance of the offering by, the Financial Industry Regulatory Authority Inc., not to exceed $10,000 in the aggregate, and any associated application fees incurred.
The Company also agreed to reimburse the Sales Agents for certain specified expenses in connection with the registration of Shares under state blue sky laws and any filing with, and clearance of the offering by, the Financial Industry Regulatory Authority Inc., not to exceed $10,000 in the aggregate, and any associated application fees incurred.
We base those internal sales upon established transfer pricing methodologies. However, we eliminate all of those internal sales, and cost of goods sold transactions, to arrive at total revenue and cost of goods sold on a consolidated basis. 33 Table of Contents We have a global set of suppliers to help balance considerations related to product availability, quality and cost.
We base those internal sales upon established transfer pricing methodologies. However, we eliminate all of those internal sales, and cost of goods sold transactions, to arrive at total revenue and cost of goods sold on a consolidated basis. 41 Table of Contents We have a global set of suppliers to help balance considerations related to product availability, quality and cost.
In the future, we expect general and administrative expense to increase on a dollar basis but to decline as a percentage of revenue, to the extent that our revenue increases over time. 34 Table of Contents Other income (expense) Interest income consists of income earned on our cash, cash equivalents and short-term investments.
In the future, we expect general and administrative expense to increase on a dollar basis but to decline as a percentage of revenue, to the extent that our revenue increases over time. 42 Table of Contents Other income (expense) Interest income consists of income earned on our cash, cash equivalents and short-term investments.
Additionally, we pay commissions to third parties on certain product lines and identified customers, which also amounted to less than one percent of our revenue in 2024, 2023 and 2022 . As such, our sales and marketing expense does not directly increase with revenue.
Additionally, we pay commissions to third parties on certain product lines and identified customers, which also amounted to less than one percent of our revenue in 2025, 2024 and 2023 . As such, our sales and marketing expense does not directly increase with revenue.
We consider the likelihood of possible outcomes in determining the best estimate for the fair value of the assets. We did not record any asset impairment charges in 2024, 2023 and 2022. Valuation of inventories Inventories are stated at the lower of cost (average-cost method) or net realizable value.
We consider the likelihood of possible outcomes in determining the best estimate for the fair value of the assets. We did not record any asset impairment charges in 2025, 2024 and 2023. Valuation of inventories Inventories are stated at the lower of cost (average-cost method) or net realizable value.
Factors that could cause or contribute to such differences include, but are not limited to, those discussed in “Risk Factors.” This section generally discusses the results of our operations for the year ended December 31, 2024, compared to the year ended December 31, 2023.
Factors that could cause or contribute to such differences include, but are not limited to, those discussed in “Risk Factors.” This section generally discusses the results of our operations for the year ended December 31, 2025, compared to the year ended December 31, 2024.
In the placement notice, the Company would designate the maximum number of Shares to be sold through the Sales Agent, the time period during which sales were requested to be made, the minimum price for the Shares to be sold, and any limitation on the number of Shares that could be sold in any one day.
In the placement notice, the Company would designate the maximum number of Shares to be sold through the Sales Agents, the time period during which sales were requested to be made, the minimum price for the Shares to be sold, and any limitation on the number of Shares that could be sold in one day.
For a discussion of the year ended December 31, 2023 compared to the year ended December 31, 2022, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2023.
For a discussion of the year ended December 31, 2024 compared to the year ended December 31, 2023, please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2024.
These replacement employees require a period of training and improvement, and this impacts the quantity of products we can produce in the quarter. The combined effect of the factory shut-down and employee turnover in the quarter may also contribute to negative seasonality in Q1.
These replacement employees require a period of training and improvement, and this impacts the quantity of products we can produce in the quarter. The combined effect of the factory shut-down and employee turnover in the quarter may also contribute to negative seasonality in the first quarter.
The expenses increased due to a higher volume of internal work orders and headcount increase. During 2024, we experienced increased interest in new technologies like 800G and 1.6T among our data center customers.
The expenses increased due to a higher volume of internal work orders and headcount increase. During 2025, we experienced increased interest in new technologies like 800G and 1.6T among our data center customers.
We compensate our sales staff through base salary and commissions, with base salary being the largest component of overall compensation. Total sales commissions to employees amounted to less than one percent of our revenue in 2024, 2023 and 2022 .
We compensate our sales staff through base salary and commissions, with base salary being the largest component of overall compensation. Total sales commissions to employees amounted to less than one percent of our revenue in 2025, 2024 and 2023 .
Within the internet data center market, we benefit from the increasing use of higher-capacity optical networking technology as a replacement for older, lower-speed optical interconnects, particularly as speeds reach 800 Gbps and above, as well as the movement to open internet data center architectures and the increasing use of in-house equipment design among leading internet companies.
Within the internet data center market, we benefit from the increasing use of higher-capacity optical networking technology as a replacement for older, lower-speed optical interconnects, particularly as speeds reach 800Gbps and above, as well as the movement to open internet data center architectures and the increasing use of in-house equipment design among leading internet companies.
Subject to the terms and conditions of the Agreement, the Sales Agent would use its commercially reasonable efforts to sell Shares on the Company’s behalf up to the designated amount specified in the placement notice.
Subject to the terms and conditions of the Agreement, the Sales Agents would use its commercially reasonable efforts to sell Shares on the Company's behalf up to the designated amount specified in the placement notice.
Based on customer forecasts and order backlog we believe that this elevated data center demand will likely continue into 2025. We also believe that sales in our CATV market will increase in 2025.
Based on customer forecasts and order backlog we believe that this elevated data center demand will likely continue into 2026. We also believe that sales in our CATV market will increase in 2026.
The Company agreed to indemnify the Sales Agent against certain liabilities, including liabilities under the Securities Act, or to contribute to payments that the Sales Agent could be required to make because of any of those liabilities.
The Company agreed to indemnify the Sales Agents against certain liabilities, including liabilities under the Securities Act, or to contribute to payments that the Sales Agents could be required to make because of any of those liabilities.
We expect continued sales of our 40 Gbps and 100 Gbps products in 2025, and we expect that sales of 400 Gbps products will likely exceed sales of 100 Gbps products later in 2025. However, quarter-to-quarter results may show considerable variability as is usual in a period of technology transition.
We expect continued sales of our 40 Gbps, 100 Gbps, and 400 Gbps products in 2026, and we expect that sales of 800 Gbps products will likely exceed sales of 400 Gbps products later in 2026. However, quarter-to-quarter results may show considerable variability as is usual in a period of technology transition.
In 2024, 2023 and 2022, we had 8, 6, and 12 design wins, respectively. We define a design win as the successful completion of the evaluation stage, where our customer has tested our product, verified that our product meets substantially all of their requirements and has informed us that they intend to purchase the product from us.
In 2025, 2024 and 2023, we had 9, 8 and 6 design wins, respectively. We define a design win as the successful completion of the evaluation stage, where our customer has tested our product, verified that our product meets substantially all of their requirements and has informed us that they intend to purchase the product from us.
Upon delivery of a placement notice and subject to the terms and conditions of the Agreement, sales of the Shares were made through the Sales Agent in transactions that are deemed to be “at the market” offerings as defined in Rule 415 of the Securities Act of 1933, as amended (the "Securities Act"), including sales made through the facilities of the Nasdaq Global Market, the principal trading market for the Company’s common stock, on any other existing trading market for the Company’s common stock, to or through a market maker or as otherwise agreed by the Company and the Sales Agent.
Upon delivery of a placement notice and subject to the terms and conditions of this Agreement, sales of the Shares were made through the Sales Agents in transactions that are deemed to be "at the market" offerings as defined in Rule 415 of the Securities Act of 1933, as amended (the "Securities Act"), including sales made through the facilities of the Nasdaq Global Market, the principal trading market for the Company's common stock, on any other existing trading market for the Company's common stock, to or through a market maker or as otherwise agreed by the Company and the Sales Agents.
We expect that our income taxes will vary in relation to our profitability and the geographic distribution of our profits. In 2024, 2023 and 2022 our effective tax rate was 0% . Our wholly owned subsidiary, Global Technology, Inc., has received preferential tax concessions in China as a national high-tech enterprise.
We expect that our income taxes will vary in relation to our profitability and the geographic distribution of our profits. In 2025, 2024 and 2023 our effective tax rate was 17.97%. Our wholly owned subsidiary, Global Technology, Inc., has received preferential tax concessions in China as a national high-tech enterprise.
In 2024, net cash used in investing activities was $50.7 million. The majority of the cash was used for Capex spending of $50.2 million. In 2023, net cash used in investing activities was $14.8 million. The majority of the cash was used for CapEx spending of $14.3 million. In 2022, net cash used in investing activities was $3.8 million.
The majority of the cash was used for CapEx spending of $210.2 million. In 2024, net cash used in investing activities was $50.7 million. The majority of the cash was used for CapEx spending of $50.2 million. In 2023, net cash used in investing activities was $14.8 million.
Based on customer forecasts and order backlog we believe that this elevated data center demand will likely continue into 2025. We also believe that sales in our CATV market will increase in 2025 as a result of further adoption of our DOCSIS 4.0 products.
Based on customer forecasts and order backlog we believe that this elevated data center demand will likely continue into 2026. We also believe that sales in our CATV market will increase in 2026 as a result of further adoption of our DOCSIS 4.0 products, including adoption by new customers.
Thus, if we are unable to realize our expected cost reductions, we may experience declining gross margins on such products. Our product pricing is established when the product is initially introduced to the market, and thereafter through periodic negotiations with customers. We generally do not agree to periodic automatic price reductions.
Thus, if we are unable to realize our expected cost reductions, we may experience declining gross margins on such products. Our product pricing is established when the product is initially introduced to the market, and thereafter through periodic negotiations with customers.
Although our overall gross margins over the past three years have been between 15.1% and 27.1%, our gross margins vary more broadly on a product-by-product basis. Our newer and more advanced products typically have higher average selling prices and higher gross margins; however, until the product volumes scale, the gross margin from newer and advanced products may initially be lower.
Although our overall gross margins over the past three years have been between 24.8% and 30.0%, our gross margins vary more broadly on a product-by-product basis. Our newer and more advanced products typically have higher average selling prices and higher gross margins; however, until the product volumes scale, the gross margin from newer and advanced products may initially be lower.
Years ended December 31, 2024 2023 2022 Revenue, net 100.0 % 100.0 % 100.0 % Cost of goods sold 75.2 % 72.9 % 84.9 % Gross profit 24.8 % 27.1 % 15.1 % Operating expenses Research and development 22.0 % 16.5 % 16.3 % Sales and marketing 7.3 % 5.1 % 4.4 % General and administrative 23.9 % 24.5 % 20.9 % Total operating expenses 53.2 % 46.1 % 41.6 % Loss from operations (28.4 )% (19.0 )% (26.5 )% Interest and other expense, net (46.4 )% (6.7 )% (3.3 )% Loss before income taxes (74.9 )% (25.7 )% (29.8 )% Income tax expense 0.0 % 0.0 % 0.0 % Net loss (74.9 )% (25.7 )% (29.8 )% Comparison of Years Ended December 31, 2024 and 2023 Revenue We generate revenue through the sale of our products to equipment providers and network operators for the internet data center, CATV, telecom, FTTH and other markets.
Years ended December 31, 2025 2024 2023 Revenue, net 100.0 % 100.0 % 100.0 % Cost of goods sold 70.0 % 75.2 % 72.9 % Gross profit 30.0 % 24.8 % 27.1 % Operating expenses Research and development 18.8 % 22.0 % 16.5 % Sales and marketing 6.6 % 7.3 % 5.1 % General and administrative 16.6 % 23.9 % 24.5 % Total operating expenses 42.0 % 53.2 % 46.1 % Loss from operations (12.0 )% (28.4 )% (19.0 )% Interest and other expense, net 1.7 % (46.4 )% (6.7 )% Loss before income taxes (10.3 )% (74.9 )% (25.7 )% Income tax benefit (expense) 1.9 % 0.0 % 0.0 % Net loss (8.4 )% (74.9 )% (25.7 )% Comparison of Years Ended December 31, 2025 and 2024 Revenue We generate revenue through the sale of our products to equipment providers and network operators for the internet data center, CATV, telecom, FTTH and other markets.
Similar to revenue, our gross margins can fluctuate materially depending on a variety of factors including average selling price changes, product mix, global supply chain situation, raw material cost reduction or increase, manufacturing utilization rate and changes in manufacturing efficiency. We currently expect to see material revenue from 800G products in 2025.
Similar to revenue, our gross margins can fluctuate materially depending on a variety of factors including average selling price changes, product mix, global supply chain situation, raw material cost reduction or increase, manufacturing utilization rate and changes in manufacturing efficiency.
In 2024, we began to produce more of our CATV and internet data center products outside of China which we believe will be instrumental in further alleviating some of the typical seasonality that we see in Q1.
In 2025, we began to produce more of our CATV and internet data center products outside of China which we believe will be instrumental in alleviating some of the typical seasonality that we see in the first quarter.
On November 7, 2024, we entered into another Equity Distribution Agreement (the "Second ATM Agreement") with the Sales Agent pursuant to which the Company could issue and sell shares of the Company's common stock, par value $0.001 per share (the "Shares") having an aggregate offering price of up to $55 million (the "Second ATM Offering"), from time to time through the Sales Agent.
On November 7, 2025, the Company entered into another Equity Distribution Agreement (the "Agreement") with the Sales Agents pursuant to which the Company could issue and sell shares of the Company's common stock, par value $0.001 per share (the "Shares") having an aggregate offering price of up to $180 million (the "Fourth ATM Offering"), from time to time through the Sales Agents.
Recent Accounting Pronouncements See Note B of our Consolidated Financial Statements for a description of recent accounting pronouncements. 42 Table of Contents
Recent Accounting Pronouncements See Note B of our Consolidated Financial Statements for a description of recent accounting pronouncements.
The Second ATM Agreement provided that the Sales Agent would be entitled to compensation of up to 2% of the gross sales price of the Shares sold through the Sales Agent from time to time.
The Agreement provided that each of the Sales Agents would be entitled to compensation of up to 2% of the gross sales price of the Shares sold through such Sales Agent from time to time.
In 2024, our financing activities provided $142.2 million in cash. This increase in cash was primarily due to $113 million of net proceeds from our First ATM Offering and Second ATM Offering, and around $30 million from the 2030 Notes. In 2023, our financing activities provided $40.6 million in cash.
This increase in cash was primarily due to $113 million of net proceeds from our ATM offerings, and around $30 million from the 2030 Notes. In 2023, our financing activities provided $40.6 million in cash.
In the telecom market, we benefit from deployment of new high-speed fiber-optic networks by telecom network operators, including 5G networks. In 2024, 2023 and 2022 , our revenue was $249.4 million, $217.6 million and $222.8 million, and our gross margin was 24.8%, 27.1% and 15.1%, respectively.
In the telecom market, we benefit from deployment of new high-speed fiber-optic networks by telecom network operators, including 5G networks. 38 Table of Contents In 2025, 2024 and 2023 , our revenue was $455.7 million, $249.4 million and $217.6 million, and our gross margin was 30.1%, 24.8% and 27.1%, respectively.
We have grown our annual revenue at a compound annual growth rate, or CAGR, of 6.7% between 2014 and 2024 . In the years ended December 31, 2024, 2023 and 2022 , we had net loss of $186.7 million, $56.0 million and $66.4 million , respectively.
We have grown our annual revenue at a compound annual growth rate, or CAGR, of 5.7% between 2016 and 2025 . In the years ended December 31, 2025, 2024 and 2023 , we had net loss of $38.2 million, $186.7 million and $56.0 million , respectively.
On March 13, 2024, we entered into an Equity Distribution Agreement (the "First ATM Agreement") with Raymond James & Associates (the "Sales Agent") pursuant to which the Company could issue and sell shares of the Company’s common stock, having an aggregate offering price of up to $25 million (the "First ATM Offering"), from time to time through the Sales Agent.
On February 28, 2025, the Company entered into an Equity Distribution Agreement with Raymond James & Associates ("Raymond James") pursuant to which the Company could issue and sell shares of the Company’s common stock, having an aggregate offering price of up to $100 million (the "First ATM Offering"), from time to time through Raymond James.
Also refer to Note L "Convertible Senior Notes" to the consolidated financial statements for further discussion of the 2030 Notes. 39 Table of Contents The table below sets forth selected cash flow data for the periods presented (in thousands): Years ended December 31, 2024 2023 2022 Net cash used in operating activities $ (69,526 ) $ (7,929 ) $ (14,022 ) Net cash used in investing activities (50,697 ) (14,761 ) (3,834 ) Net cash provided by financing activities 142,179 40,578 10,753 Effect of exchange rates on cash and cash equivalents 2,080 1,622 1,553 Net increase(decrease) in cash $ 24,036 $ 19,510 $ (5,550 ) Operating activities In 2024, net cash used in operating activities was $69.5 million.
Also refer to Note L "Convertible Senior Notes" to the consolidated financial statements for further discussion of the 2030 Notes. 48 Table of Contents The table below sets forth selected cash flow data for the periods presented (in thousands): Years ended December 31, 2025 2024 2023 Net cash used in operating activities $ (174,428 ) $ (69,526 ) $ (7,929 ) Net cash used in investing activities (210,604 ) (50,697 ) (14,761 ) Net cash provided by financing activities 527,941 142,179 40,578 Effect of exchange rates on cash and cash equivalents (6,007 ) 2,080 1,622 Net increase(decrease) in cash $ 136,902 $ 24,036 $ 19,510 Operating activities In 2025, net cash used in operating activities was $174.4 million.
Benefit (provision) for income taxes Years ended December 31, 2024 2023 Change (in thousands, except percentages) Benefit (provision) for income taxes $ (2 ) $ (9 ) 7 (77.8 )% Our income tax provision consists of U.S. income tax, state taxes, and Taiwan and China income tax recorded during the periods.
Benefit (expense) for income taxes Years ended December 31, 2025 2024 Change (in thousands, except percentages) Benefit (provision) for income taxes $ 8,476 $ (2 ) 8,478 (423,900 )% Our income tax benefit (expense) consists of U.S. income tax, state taxes, and Taiwan and China income tax recorded during the periods.
In the years ended December 31, 2024 and 2023 , our top ten customers represented 95.0% and 92.7% of our revenue, respectively.
In the years ended December 31, 2025 and 2024 , our top ten customers represented 96.6% and 95.0% of our revenue, respectively.
The Registered Direct Offering closed on December 23, 2024. Raymond James and Associates, Inc. acted as the sole placement agent (the "Placement Agent") for the Company in connection with the Registered Direct Offering.
The Registered Direct Offering was made pursuant to the Automatic Shelf Registration Statement. The Registered Direct Offering closed on December 23, 2024. Raymond James and Associates, Inc. acted as the sole placement agent (the "Placement Agent") for the Company in connection with the Registered Direct Offering.
The increase was driven primarily by increased demand in the CATV market, which we believe is due to market acceptance on our newly release DOCSIS 4.0 products in 2024, and increased demand for our internet data center products, arising from demand for products necessary for new data center construction along with data center upgrades to enable new technologies like AI, offset by the lack of NRE project revenue in 2024.
The increase was driven primarily by increased demand in the CATV market, which we believe is due to large scale deployments of our DOCSIS 4.0 products in 2025, and increased demand for our internet data center products, arising from demand for products necessary for new data center construction along with data center upgrades to enable new technologies like AI.
Property has been transferred from construction in progress to building and improvement in 2024. Future liquidity needs We believe that our existing cash and cash equivalents, cash flows from our operating activities, and available credit will be sufficient to meet our anticipated cash needs for the next 12 months.
Future liquidity needs We believe that our existing cash and cash equivalents, cash flows from our operating activities, and available credit will be sufficient to meet our anticipated cash needs for the next 12 months.
We typically experience lower yields and higher associated costs on new products, especially during the initial phase of the production. For our mature products, we can experience lower yields and higher production costs if customer requirements change or if we experience manufacturing difficulties or quality issues during our production process.
For our mature products, we can experience lower yields and higher production costs if customer requirements change or if we experience manufacturing difficulties or quality issues during our production process.
Note Offerings On March 5, 2019, the Company issued $80.5 million of 5% convertible senior notes due 2024, bearing interest at a rate of 5% per year maturing on March 15, 2024 (the "2024 Notes"), unless earlier repurchased, redeemed or converted in accordance with their terms.
Note Offerings On December 5, 2023, the Company issued approximately $80.2 million aggregate principal amount of 5.250% convertible senior notes due 2026 (the "2026 Notes"), bearing interest at a rate of 5.250% per year maturing on December 5, 2026, unless earlier repurchased, redeemed or converted in accordance with their terms.
The following chart provides the revenue contribution from each of the markets we serve for the years 2024, 2023 and 2022 , as well as the corresponding percentage of our total revenue for each period (in thousands, except percentages): Years ended December 31, Market 2024 2023 2022 Data Center $ 148,525 $ 141,213 $ 77,094 CATV 87,713 59,942 118,169 Telecom 10,980 13,831 24,727 FTTH 3 56 129 Other 2,144 2,604 2,699 Total $ 249,365 $ 217,646 $ 222,818 Percentage of Revenue Data Center 59.5 % 64.9 % 34.6 % CATV 35.2 % 27.5 % 53.0 % Telecom 4.4 % 6.4 % 11.1 % FTTH 0.0 % 0.0 % 0.1 % Other 0.9 % 1.2 % 1.2 % Total Revenue 100 % 100 % 100 % In 2024, 2023 and 2022 , our top ten customers represented 95.0%, 92.7% and 87.2% of our revenue, respectively.
The following chart provides the revenue contribution from each of the markets we serve for the years 2025, 2024 and 2023 , as well as the corresponding percentage of our total revenue for each period (in thousands, except percentages): Years ended December 31, Market 2025 2024 2023 CATV $ 245,124 $ 87,713 $ 59,942 Data Center 195,651 148,525 141,213 Telecom 13,729 10,980 13,831 FTTH and other 1,211 2,147 2,660 Total $ 455,715 $ 249,365 $ 217,646 Percentage of Revenue Data Center 53.8 % 35.2 % 27.5 % CATV 42.9 % 59.5 % 64.9 % Telecom 3.0 % 4.4 % 6.4 % FTTH and other 0.3 % 0.9 % 1.2 % Total Revenue 100 % 100 % 100 % In 2025, 2024 and 2023 , our top ten customers represented 96.6%, 95.0% and 92.7% of our revenue, respectively.
For the year ended December 31, 2024 , 44.8% of our total revenue was manufactured at our China-based subsidiary, with $0.8 million denominated in RMB and 50.8% of our total revenue was from products manufactured at our Taiwan-based facility, with no revenue denominated in NT dollars.
For the year ended December 31, 2025 , 57.5% of our total revenue was manufactured at our China-based subsidiary, with $3.4 million denominated in RMB and 38.2% of our total revenue was from products manufactured at our Taiwan-based facility, with no revenue denominated in NT dollars.
We have been able to automate many of our production processes, which often results in lower labor costs and reduced scrap or rework rates, both of which lower our production cost.
This generally has resulted in lower material costs for us. ‑ Enhancing the efficiency of our production process. We have been able to automate many of our production processes, which often results in lower labor costs and reduced scrap or rework rates, both of which lower our production cost.
Supporting customer testing and qualification for these new opportunities materially increased our R&D expenditures, and to the extent that we continue to see elevated customer interest in these new technologies we also expect continued elevated R&D expenditures relative to historical averages.
Supporting customer testing and qualification for these new opportunities materially increased our R&D expenditures, and to the extent that we continue to see elevated customer interest in these new technologies we also expect continued elevated R&D expenditures relative to historical averages. We continue to place a high degree of strategic focus on innovation and product development to support future growth.
We cannot be sure when or if prices will return to pre-pandemic levels. Compared to other major economies in the world, China has a stable level of inflation, which has not had a significant impact on our sales or operating results.
Compared to other major economies in the world, China has a stable level of inflation, which has not had a significant impact on our sales or operating results.
We had three customers that accounted for more than 10% of our revenue in 2024 and 2023, respectively. Product Development. We invest heavily to develop new and innovative products. The majority of our research and development expense is allocated to product development, usually with a specific customer and customer platform in mind.
We invest heavily to develop new and innovative products. The majority of our research and development expense is allocated to product development, usually with a specific customer and customer platform in mind.
At December 31, 2024 and 2023 , our accumulated deficit was $451.9 million and $265.1 million, respectively. In 2024 , we earned 59.5% of our total revenue from the internet data center market and 35.2% of our total revenue from the CATV market.
At December 31, 2025 and 2024 , our accumulated deficit was $491.0 million and $451.9 million, respectively. In 2025 , we earned 53.8% of our total revenue from the CATV market and 42.9% of our total revenue from the internet data center market.
In 2024 , revenue from the internet data center market, CATV market, telecom market, FTTH and other markets provided 59.5%, 35.2%, 4.4% and 0.9% of our revenue, respectively, compared to 64.9%, 27.5%, 6.4% and 1.2% of our 2023 revenue, respectively.
In 2025 , revenue from CATV market, the internet data center market, telecom market, FTTH and other markets provided 53.8%, 42.9%, 3.0% and 0.3% of our revenue, respectively, compared to 35.2%, 59.5%, 4.4% and 0.9%, respectively, in 2024 . In 2025 , our key customer in the CATV market was Digicomm.
There can be no guarantee that we will be able to raise additional funds on terms acceptable to us, or at all. Contractual Obligations and Commitments We have outstanding notes payable and debt with varying maturities with various financial institutions.
There can be no guarantee that we will be able to raise additional funds on terms acceptable to us, or at all. Contractual Obligations and Commitments We have outstanding notes payable and debt with varying maturities with various financial institutions. As of December 31, 2025, our debt had an amount of $34.0 million, which is due within 12 months.
On November 22, 2024, the Company completed the Second ATM Offering and sold approximately 1.8 million shares at a weighted average price of $31.17 per share, providing proceeds of $53.9 million, net of expenses and underwriting discounts and commissions.
On April 8, 2025, the Company completed the First ATM Offering and sold approximately 2.1 million shares at a weighted average price of $12.69 per share, providing proceeds of approximately $26 million, net of expenses and underwriting discounts and commissions.
We believe that diversifying our customer base is critical for our future success, since reliance on a small number of key customers makes our ability to forecast future results dependent upon the accuracy of the forecasts we receive from those key customers. 36 Table of Contents Cost of goods sold and gross margin Years ended December 31, 2024 2023 Change % of % of Amount Revenue Amount Revenue Amount % (in thousands, except percentages) Cost of goods sold $ 187,565 75.2 % $ 158,725 72.9 % $ 28,840 18.2 % Gross margin 61,800 24.8 % 58,921 27.1 % 2,879 4.9 % Cost of goods sold increased by $28.8 million, or 18.2%, from 2023 to 2024 , The cost increase in 2024 is due to the increase in direct material and direct labor cost because of revenue growth in 2024.
We believe that diversifying our customer base is critical for our future success, since reliance on a small number of key customers makes our ability to forecast future results dependent upon the accuracy of the forecasts we receive from those key customers. 44 Table of Contents Cost of goods sold and gross margin Years ended December 31, 2025 2024 Change % of % of Amount Revenue Amount Revenue Amount % (in thousands, except percentages) Cost of goods sold $ 318,802 70.0 % $ 187,565 75.2 % $ 131,237 70.0 % Gross margin 136,913 30.0 % 61,800 24.8 % 75,113 121.5 % Cost of goods sold increased by $131.2 million, or 70.0%, from 2024 to 2025.
Under the liability method, deferred tax assets and liabilities are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse.
Accounting for income taxes We account for income taxes in accordance with the provisions of ASC 740, Income Taxes. The liability method is used to account for deferred income taxes. Under the liability method, deferred tax assets and liabilities are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse.
As of December 31, 2024, our notes payable and debt had an amount of $26.7 million, $22.4 million of which is due within 12 months. Further information regarding our notes payable is provided in Note K – Notes Payable and Long-Term Debt in the Notes to Consolidated Financial Statements in this Form 10-K. We also have fixed-rate convertible senior notes.
Further information regarding our notes payable is provided in Note K – Notes Payable and Long-Term Debt in the Notes to Consolidated Financial Statements in this Form 10-K. We also have fixed-rate convertible senior notes.
In the years 2024 , 2023 , and 2022 , the percentage of employees in our China factory who resigned or were terminated during Q1, relative to the average number of employees during the quarter was 17.2%, 53.8% and 66.1%, respectively.
In the years 2025 , 2024 , and 2023 , the percentage of employees in our China factory who resigned or were terminated during the first quarter, relative to the average number of employees during the quarter was 7.9%, 17.2% and 53.8% , respectively. As a result of employee turnover, we must hire and train replacement employees.
These cash increases were offset by a decrease in accounts payable of $15.0 million and a decrease in unearned revenue of $2.5 million. In 2022, net cash used in operating activities was $14.0 million.
These cash increases were offset by a decrease in accounts payable of $15.0 million and a decrease in unearned revenue of $2.5 million. Investing activities Our investing activities consisted primarily of capital expenditures and purchases of intangible assets. In 2025, net cash used in investing activities was $210.6 million.
Our effective tax rate is affected by recurring items, such as tax rates in state and foreign jurisdictions and the relative amounts of income we earn in those jurisdictions. We recorded no federal tax expense for the years ended December 31, 2024 and December 31, 2023.
Our effective tax rate is affected by recurring items, such as tax rates in state and foreign jurisdictions, the relative amounts of income we earn in those jurisdictions, and valuation allowances on our deferred taxes.
The details of the shares of common stock sold through the First ATM Offering and the Second ATM Offering through December 31, 2024 are as follows (in thousands, except shares and weighted average per share price): Distribution Agent Month Weighted Average Per Share Price Number of Shares Sold Net Proceeds Compensation to Distribution Agent Raymond James & Associates, Inc.
By December 23, 2025, the Company completed the Fourth ATM Offering and sold approximately 6.7 million shares at a weighted average price of $26.87 per share, providing proceeds of $176 million, net of expenses and underwriting discounts and commissions. 47 Table of Contents The details of the shares of common stock sold through the First ATM Offering, the Second ATM Offering, the Third ATM Offering and the Fourth ATM Offering through December 31, 2025 are as follows (in thousands, except shares and weighted average per share price): Distribution Agent Month Weighted Average Per Share Price Number of Shares Sold Net Proceeds Compensation to Distribution Agent Raymond James & Associates, Inc.
During the years ended December 31, 2024, 2023 and 2022, we recorded excess and obsolete inventory reserve charges of $3.4 million, $8.7 million and $4.9 million, respectively. For the years ended December 31, 2024, 2023 and 2022, the direct inventory write-offs related to scrap, discontinued products and damaged inventories were $3.8 million, $10.6 million and $10.4 million, respectively.
During the years ended December 31, 2025, 2024 and 2023, we recorded excess and obsolete inventory reserve charges of $9.7 million, $3.4 million and $8.7 million, respectively.
This increase was primarily due to the debt extinguishment cost relating to the 2026 Notes, reflecting the difference between the book value of the 2026 Notes and its fair value at the time of settlement. This resulted in a one-time loss recognized in the period, contributing to the overall rise in non-operating expenses.
This favorable variance was primarily due to the absence of debt extinguishment costs related to the 2026 Notes, which in the prior period reflected the difference between the carrying value of the 2026 Notes and their fair value at the time of settlement. The settlement resulted in a one-time loss recognized in the prior period, which increased non-operating expenses.
This increase in cash was due to $12.2 million of net proceeds from line of credit borrowing, $5.1 million of net proceeds from bank acceptance payable and $1.2 million of net proceeds from our ATM Offering.
This increase in cash was primarily due to $518.9 million of net proceeds from our ATM offerings, and around $19.6 million from net proceeds from line of credit borrowing and bank acceptance payable. In 2024, our financing activities provided $142.2 million in cash.
In 2024 , 2023 , and 2022 , Digicomm accounted for 34.1%, 11.3% and 0% of our revenue. 30 Table of Contents In 2024 , our increase of revenue of 14.6% over the prior-year was driven primarily by increased demand for our internet data center products, which we believe is arising from demand for products necessary for new data center construction along with data center upgrades to enable new technologies like AI, and the demand recovery in the CATV market, offset by the lack of revenue from Non-Recurring Engineering ("NRE") projects.
In 2025 , our increase of revenue of 82.8% over the prior-year was driven primarily by increased demands both for our CATV products and internet data center products, which we believe is arising from demand for products necessary for new data center construction along with data center upgrades to enable new technologies like AI.
Increasingly, optical networking technologies are being incorporated into networking equipment, replacing legacy copper-based networking technologies. This shift to optical networking solutions benefits us as a provider of those solutions. Pricing, Product Cost and Margins. Our products are sold in a highly competitive marketplace, and in many cases our products are only minimally differentiated from those of our competitors.
Bandwidth demand in all of our target markets is driving service provider investment in new equipment and in turn generating demand for our products. Increasingly, optical networking technologies are being incorporated into networking equipment, replacing legacy copper-based networking technologies. This shift to optical networking solutions benefits us as a provider of those solutions. Pricing, Product Cost and Margins.
We sold approximately 5.7 million shares at a weighted average price of $10.55 per share, providing proceeds of $58.7 million, net of expenses and underwriting discounts and commissions, under the First ATM Offering.
On June 18, 2025, the Company completed the Second ATM Offering and sold approximately 5.7 million shares at a weighted average price of $17.46 per share, providing proceeds of approximately $98 million, net of expense and underwriting discounts and commissions.
The following charts provide the revenue contribution from each of the markets we served for the years ended December 31, 2024 and 2023 (in thousands, except percentages): Years ended December 31, Change % of % of 2024 Revenue 2023 Revenue Amount % CATV $ 87,713 35.2 % $ 59,942 27.5 % $ 27,771 46.3 % Data Center 148,525 59.5 % 141,213 64.9 % 7,312 5.2 % Telecom 10,980 4.4 % 13,831 6.4 % (2,851 ) (20.6 )% FTTH 3 0.0 % 56 0.0 % (53 ) (94.6 )% Other 2,144 0.9 % 2,604 1.2 % (460 ) (17.7 )% Total Revenue $ 249,365 100.0 % $ 217,646 100.0 % $ 31,719 14.6 % Revenue increased by $31.7 million or 14.6% from 2023 to 2024.
The following charts provide the revenue contribution from each of the markets we served for the years ended December 31, 2025 and 2024 (in thousands, except percentages): Years ended December 31, Change % of % of 2025 Revenue 2024 Revenue Amount % CATV $ 245,124 53.8 % $ 87,713 35.2 % $ 157,411 179.5 % Data Center 195,651 42.9 % 148,525 59.6 % 47,126 31.7 % Telecom 13,729 3.0 % 10,980 4.4 % 2,749 25.0 % FTTH and other 1,211 0.3 % 2,147 0.9 % (936 ) (43.6 )% Total Revenue $ 455,715 100.0 % $ 249,365 100.0 % $ 206,350 82.8 % Revenue increased by $206.4 million, or 82.8%, from 2024 to 2025.
Operating expenses Years ended December 31, 2024 2023 Change % of % of Amount revenue Amount revenue Amount % (in thousands, except percentages) Research and development $ 54,955 22.0 % $ 35,975 16.5 % $ 18,980 52.8 % Sales and marketing 18,154 7.3 % 11,069 5.1 % 7,085 64.0 % General and administrative 59,599 23.9 % 53,226 24.5 % 6,373 12.0 % Total operating expenses $ 132,708 53.2 % $ 100,270 46.1 % $ 32,438 32.4 % Research and development expense Research and development expense increased $19.0 million, or 52.8% from 2023 to 2024 .
Operating expenses Years ended December 31, 2025 2024 Change % of % of Amount revenue Amount revenue Amount % (in thousands, except percentages) Research and development $ 85,507 18.8 % $ 54,955 22.0 % $ 30,552 55.6 % Sales and marketing 30,267 6.6 % 18,154 7.3 % 12,113 66.7 % General and administrative 75,741 16.6 % 59,599 23.9 % 16,142 27.1 % Total operating expenses $ 191,515 42.0 % $ 132,708 53.2 % $ 58,807 44.3 % Research and development expense Research and development expense increased $30.6 million, or 55.6%, from 2024 to 2025 .
Inflation The annual inflation rate in the US came down to 2.9% in 2024, compared with 3.4% in 2023. Even though the inflation has slowed from the peak, it remained above the Federal Reserve's objective of 2%. The annual inflation rate in Taiwan came down to 2.1% in 2024 from 2.7% in 2023 .
Further information regarding our leases is provided in Note D – Leases to Consolidated Financial Statements in this Form 10-K. Inflation The annual inflation rate in the US came down to 2.7% in 2025, compared with 2.9% in 2024. Even though the inflation has slowed from the peak, it remained above the Federal Reserve's objective of 2%.
We expect a similar portion of our sales to be denominated in foreign currencies in 2025. Cost of goods sold and gross margin Our cost of goods sold is impacted by variances arising from changes in yields and production volume, as well as increases or decreases in the cost of raw materials used in production.
Cost of goods sold and gross margin Our cost of goods sold is impacted by variances arising from changes in yields and production volume, as well as increases or decreases in the cost of raw materials used in production. We typically experience lower yields and higher associated costs on new products, especially during the initial phase of the production.
In addition to the factory shut-down, it is also common for employees in the factory to fail to return to work following resumption of operations.
Our Ningbo, China factory experiences a lengthy shut-down associated with the Lunar New Year holiday which occurs in the first quarter of each year. In addition to the factory shut-down, it is also common for employees in the factory to fail to return to work following resumption of operations.
This increase in cash was primarily due to $69.0 million of net proceeds from our ATM Offering , $76.1 million from the 2026 Notes, offset by the repayment of 2024 Notes amounting to $80.2 million and repayment of line of credit borrowings of $34.2 million. In 2022, our financing activities provided $10.8 million in cash.
This increase in cash was primarily due to $69.0 million of net proceeds from our ATM offering , $76.1 million from the 2026 Notes, offset by the repayment of the 2024 Notes amounting to $80.2 million and repayment of line of credit borrowings of $34.2 million. 49 Table of Contents Loans and commitments As of December 31, 2025, we have lending arrangements with one U.S. bank, one financial institution in Taiwan and four financial institutions in China.
The income tax expense in the years ended December 31, 2024 and December 31, 2023 was primarily related to the state tax provision and the recording of a valuation allowance on our deferred tax assets. 38 Table of Contents Liquidity and Capital Resources As of December 31, 2024 , we had $24.8 million of unused borrowing capacity from all of our loan agreements.
We recorded no federal tax expense for the years ended December 31, 2025 and December 31, 2024. The income tax expense in the years ended December 31, 2025 and December 31, 2024 was primarily related to the state tax provision and the recording of a valuation allowance on our deferred tax assets.