Revenue and Earnings - Revenue for Q4 2024 was 242.9million,representinga7242.85 million, a 7.5% increase from 225.48millioninthesameperiodof2023[17]−ThecompanyexpectsQ12025revenuetobeintherangeof237.5 million to 252.5million,withanon−GAAPoperatingmarginforecastedbetween00.58 and a non-GAAP diluted earnings per share of 0.00[8]−NetlossforthetwelvemonthsendedDecember31,2024,was441.05 million, compared to a net loss of 259.34millionforthesameperiodin2023[19]−Non−GAAPnetincome(loss)attributabletoADTRANHoldings,Inc.forthetwelvemonthsendedDecember31,2024,was(31.272) million, compared to (47.290)millionforthepreviousyear[55]−ThecompanyreportedalosspercommonshareattributabletoADTRANHoldings,Inc.of(0.58) for the three months ended December 31, 2024[55] - Non-GAAP earnings (loss) per common share attributable to ADTRAN Holdings, Inc. was 0.00forthethreemonthsendedDecember31,2024,comparedto(0.05) in the previous quarter[55] Margins and Profitability - GAAP gross margin was 37.6%, while non-GAAP gross margin was 42.0%[8] - Operating margin improved sequentially on both GAAP and non-GAAP bases, surpassing the mid-point of the outlook[8] - Gross profit for the three months ended December 31, 2024, was 91.23million,upfrom78.47 million in the same period of 2023, reflecting a gross margin of 37.6%[20] - Non-GAAP gross profit for the twelve months ended December 31, 2024, was 386.51million,downfrom451.30 million in 2023[20] - Operating loss for the twelve months ended December 31, 2024, was 417.10million,significantlyhigherthantheoperatinglossof221.27 million in 2023[17] - Non-GAAP operating income for the twelve months ended December 31, 2024, was 3,228,000,comparedtoalossof9,867,000 for the same period in 2023, showing a significant turnaround[46] Expenses and Liabilities - Research and development expenses for the twelve months ended December 31, 2024, totaled 221.46million,downfrom258.31 million in 2023[17] - Operating expenses for the three months ended December 31, 2024, were 106,365,000,adecreasefrom116,080,000 for the same period in 2023, representing a reduction of approximately 8.5%[23] - Non-GAAP operating expenses for the twelve months ended December 31, 2024, were 383,286,000,comparedto461,164,000 for the same period in 2023, indicating a decrease of about 16.9%[23] - The company incurred 62,959,000inacquisition−relatedexpensesforthetwelvemonthsendedDecember31,2024,comparedto107,267,000 for the same period in 2023, reflecting a decrease of approximately 41.3%[46] - Restructuring expenses for the twelve months ended December 31, 2024, totaled 44,681,000,downfrom46,554,000 in the previous year, indicating a slight reduction[46] - Current liabilities increased from 278.1millionin2023to292.5 million in 2024[15] Cash Flow and Assets - Cash flows from operating activities for the twelve months ended December 31, 2024, provided 103.07million,comparedtocashusedof45.60 million in 2023[19] - Free cash flow for the twelve months ended December 31, 2024, was 39.945million,asignificantimprovementfrom(88.725) million in the previous year[62] - Total assets decreased from 1,682.5millionin2023to1,178.3 million in 2024[15] - Net cash provided by operating activities for the three months ended December 31, 2024, was 4.544million,adecreasefrom42.030 million in the previous quarter[62] Business Developments - Positive momentum was noted in the business, driven by higher service provider spending and a growing customer base[2] - The company finished 2024 with expectations of higher revenue in Q1 2025, overcoming typical seasonality[2] - The company plans to continue its Business Efficiency Program, which includes restructuring efforts and the discontinuation of certain product lines[21] - The company plans to close a facility in Greifswald, Germany, as part of its Business Efficiency Program, which was substantially completed in late 2024[26][43] - The restructuring program initiated after the business combination with Adtran Networks SE was substantially completed in late 2024, optimizing assets and business processes[26][43] Goodwill and Impairments - The company incurred goodwill impairment of 292.58millionforthetwelvemonthsendedDecember31,2024,comparedto37.87 million in 2023[19] - Goodwill impairment for the twelve months ended December 31, 2024, was $292,583,000, primarily due to a decrease in projected revenue growth rates and economic uncertainty[46][50]