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Johnson Fistel Investigates ADTRAN Holdings, Inc. (ADTN) for Potential Securities Law Violations

$ADTNPress releaseJul 22, 2026, 10:50 AM ETRead the release

Johnson Fistel, PLLP announced it is investigating ADTRAN Holdings on behalf of investors regarding potential violations of federal securities laws. The investigation follows ADTRAN's preliminary Q2 results disclosure, which indicated non-GAAP operating margins would fall significantly below guidance due to project delays and higher costs.

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    ADTN: Johnson Fistel Investigates ADTRAN Holdings, Inc. (ADTN) for Potential Securities Law Violations — AI Analysis | Signal8