• iShares Trust lifted its combined voting rights stake in ADTRAN to 4.27% from 4.23%.
• Equity voting rights fell to 2.79% from 3.27%.
• Voting rights via instruments rose to 1.48% from 0.96%, driven by lent securities with a right to recall.
• Threshold was crossed on Aug. 27, 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_2391714_en) on September 01, 2026, and is solely responsible for the information contained therein.