<p>Morgan Stanley &amp; Co. LLC has increased its total percentage of voting rights in ADTRAN Holdings Inc. from 5.09% to 5.52%, marking a rise of 0.43 percentage points. This change reflects an increase in voting rights attached to shares as well as a minor decrease in voting rights held through instruments. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. ADTRAN Holdings Inc. published the original content used to generate this news brief via EQS News, a service of EQS Group AG (Ref. ID: PVR_2208854_en), on October 06, 2025, and is solely responsible for the information contained therein. © Copyright 2025 - Public Technologies (PUBT)</p>

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<p>Morgan Stanley & Co. LLC has increased its voting rights in ADTRAN Holdings Inc. from 5.09% to 5.52%, a rise of 0.43 percentage points. This change indicates an increase in voting rights linked to shares, despite a slight decrease in rights held through instruments.</p>

Morgan Stanley & Co. LLC Increases Total Voting Rights in ADTRAN Holdings Inc. to 5.52%