• Morgan Stanley lifted its combined stake in ADTRAN to 7.06% from 5.74% on Oct. 5, 2026.
• Equity voting rights edged up to 4.31% from 4.16%, representing 3,511,195 shares.
• Instrument-linked voting rights rose to 2.75% from 1.58%, led by recall rights over securities lending agreements.

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 (Ref. ID: PVR_2413712_en) on October 11, 2026, and is solely responsible for the information contained therein.