BlackRock raises total voting rights stake in Adtran to 11.16% from 10.96%

BlackRock lifted its total voting rights stake in ADTRAN Holdings to 11.16% from 10.96%. Equity voting rights rose to 7.83% from 7.49%. * Voting rights via instruments eased to 3.32% from 3.46%. * Threshold was reached on Sep. 18, 2026. 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_2404804_en) on September 24, 2026, and is solely responsible for the information contained therein. (C)