ADTN
ADTRAN Inc
7.20$
+1.4%
vs. previous close
Closing price · As of: Sep 18, 2026
Filings
Filings
Listed US companies must report material events to the Securities and Exchange Commission. This page lists the filings of ADTRAN Inc (ADTN) with date, type and a link to the original document.
| Date | Type | Filing | Original |
|---|---|---|---|
| 08/10/2026 | Current report (8-K) | ADTRAN Holdings, Inc. (ADTN): Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers; Financial Statements and Exhibits | View report ↗ |
| 08/04/2026 | Current report (8-K) | ADTRAN Holdings, Inc. (ADTN): Results of Operations and Financial Condition; Regulation FD Disclosure; Financial Statements and Exhibits | View report ↗ |
| 07/23/2026 | Current report (8-K) | ADTRAN Holdings, Inc. (ADTN): Entry into a Material Definitive Agreement; Termination of a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant; Financial Statements and Exhibits | View report ↗ |
| 07/22/2026 | Current report (8-K) | ADTRAN Holdings, Inc. (ADTN): Results of Operations and Financial Condition; Regulation FD Disclosure; Financial Statements and Exhibits | View report ↗ |
Showing the 100 most recent filings of the selected type.
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q) · Filings: SEC EDGAR
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.