BlackRock voting stake in ADTRAN edges up to 10.87% from 10.85%

• BlackRock trimmed its ADTRAN voting-rights stake to 10.87% from 10.85% on Sept. 9.
• Equity voting rights fell to 6.44% from 7.66%.
• Voting rights through instruments rose to 4.43% from 3.19%, including lent securities and contracts for difference.

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_2398972_en) on September 14, 2026, and is solely responsible for the information contained therein.