You must log in to view this page.

ADTRAN Holdings Inc. – Filings and Transcripts

NASDAQ: ADTN
Share price (6/25/26): $14.04
Market cap (6/25/26): $1.137 billion

Warning: Large portions of this site require JavaScript enabled in order to function properly. Please make sure JavaScript is enabled in your browser.

Please let us know at support@bamsec.com if you have any questions or concerns.

Search in Documents

Key Exhibits

External Links

Financials Filter

ended 03/31/26 Q1

ended 12/31/25 FY 2025

ended 09/30/25 Q3

ended 06/30/25 Q2

ended 03/31/25 Q1

Prospectuses and Registrations Filter

Shelf registration

Registration of securities for employees

Registration of securities for employees

Automatic shelf registration

Securities registration termination

Ownership Filter

Wilson James Denson Jr

Wilson James Denson Jr

Glingener Christoph

Glingener Christoph

Vanguard Portfolio Management LLC

News Filter

Appoints Anne DelSanto to Board of Directors

Amendment to Articles of Incorporation or Bylaws, or Change in Fiscal Year, Shareholder Vote Results, Financial Statements or Exhibits

Reports First Quarter 2026 Financial Results

Change in Directors, Officers or Compensation, Financial Statements or Exhibits

Reports Fourth Quarter and Full Year 2025 Financial Results

Proxies Filter

Additional info about upcoming vote

Additional info about upcoming vote

Definitive proxy

Preliminary proxy

Additional info about upcoming vote

Other Filter

Conflict Minerals disclosure

Scanned paper annual report submission

Scanned paper annual report submission – amended

Conflict Minerals disclosure

Scanned paper annual report submission