ADTRAN SEC filings

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8-KNov. 3, 2026, 8:11 a.m. ETView on SEC.gov
Results of operations and financial condition · Regulation FD disclosure · Financial statements and exhibits
AI summary, unreviewedADTRAN Holdings Q3 2026 non-GAAP EPS of $0.09 beats $0.035 consensus, but revenue of $281.2 million trails $285.7 million and Q4 revenue guidance midpoint of $282.0 million sits below $292.9 million consensus
4Nov. 2, 2026, 4:23 p.m. ETView on SEC.gov
SCHEDULE 13GOct. 30, 2026, 11:02 a.m. ETView on SEC.gov
8-KOct. 29, 2026, 5:25 p.m. ETView on SEC.gov
Departure/appointment of directors or officers · Other events · Financial statements and exhibits
AI summary, unreviewedADTRAN Holdings adds Christian Terlinde, former CFO of JOST Werke, to board as independent director
8-KAug. 10, 2026, 4:06 p.m. ETView on SEC.gov
Departure/appointment of directors or officers · Financial statements and exhibits
4Aug. 10, 2026, 4:01 p.m. ETView on SEC.gov
4Aug. 7, 2026, 4 p.m. ETView on SEC.gov
10-QAug. 4, 2026, 8:43 a.m. ETView on SEC.gov
8-KAug. 4, 2026, 6:36 a.m. ETView on SEC.gov
Results of operations and financial condition · Regulation FD disclosure · Financial statements and exhibits
4July 28, 2026, 4:01 p.m. ETView on SEC.gov