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8-K filing — ADTRAN Holdings, Inc. (ADTN)

SEC EDGARJul 22, 2026, 11:02 AMSEC EDGAR

Filed: 2026-07-22 AccNo: 0001193125-26-311290 Size: 357 KB Item 2.02: Results of Operations and Financial Condition Item 7.01: Regulation FD Disclosure Item 9.01: Financial Statements and Exhibits

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Observed
Jul 22, 2026, 11:02 AM
Checked
Jul 22, 2026, 11:02 AM
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Captured once, then retained as an archive reference
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