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ADTRAN Holdings, Inc. — Investor Relations & Filings

Ticker · ADTN ISIN · US00486H1059 LEI · 549300XWTHXJVGKWU616 F Manufacturing
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Filings indexed 2,238 across all filing types
Latest filing 2026-02-05 Major Shareholding Noti…
Country US United States of America
Listing F ADTN

About ADTRAN Holdings, Inc.

https://www.adtran.com/

ADTRAN Holdings, Inc. is a global provider of open, disaggregated networking and communications solutions. The company's portfolio includes hardware, software, and services designed for telecommunication service providers and other network operators. Its offerings encompass fiber broadband access, access and aggregation technologies, and open optical networking systems. These solutions enable the delivery of voice, data, video, and high-speed internet services to residential and business customers. ADTRAN also develops AI-powered software platforms, such as Mosaic One, to simplify network operations and management, providing end-to-end visibility and control from the network core to the subscriber premises.

Recent filings

Filing Released Lang Actions
Major Shareholding Notification 2026
Major Shareholding Notification Classification · 1% confidence The document is a formal 'Stimmrechtsmitteilung' (Voting Rights Notification) filed under § 40 Abs. 1 WpHG (German Securities Trading Act). It details a change in the shareholding percentage of EGORA Ventures AG in Adtran Holdings, Inc., specifically noting a change in the total number of voting rights. This falls squarely under the definition of a Major Shareholding Notification (MRQ).
2026-02-05 German
Release according to Article 41 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution
Declaration of Voting Results & Voting Rights Announcements Classification · 1% confidence The document is an official announcement regarding the 'Total number of voting rights' for Adtran Holdings, Inc., issued in compliance with Section 41 of the German Securities Trading Act (WpHG). It explicitly states the new total number of voting rights following a conditional capital increase. This falls under the category of Declaration of Voting Results & Voting Rights Announcements.
2026-01-31 English
Adtran Holdings, Inc.: James Denson Wilson Jr, Acquisition of 2,468 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 8,825 Performance Stock Units (PSUs) (granted January 20,
Director's Dealing Classification · 1% confidence The document is a formal notification of a transaction by a person discharging managerial responsibilities (PDMR), specifically the Chief Revenue Officer of Adtran Holdings, Inc. It details the acquisition of shares resulting from the vesting of Performance Stock Units (PSUs). This falls directly under the definition of 'Director's Dealing' (DIRS), which covers personal share transactions by company directors and executives.
2026-01-30 English
4/A Filing
Director's Dealing
2026-01-30 English
Major Shareholding Notification 2026
Major Shareholding Notification Classification · 1% confidence The document is a formal notification of major holdings (voting rights) filed by Morgan Stanley regarding Adtran Holdings, Inc. It explicitly references 'Article 40, Section 1 of the WpHG' (German Securities Trading Act) and provides detailed tables regarding the acquisition/disposal of shares and voting rights. This fits the definition of a Major Shareholding Notification (MRQ).
2026-01-29 English
Adtran Holdings, Inc.: James Denson Wilson Jr, Acquisition of 2,690 shares in ADTRAN Holdings, Inc. (ISIN US00486H1059) due to the vesting of 8,825 Performance Stock Units (PSUs) (granted January 20,
Director's Dealing Classification · 1% confidence The document is a formal notification of a transaction by a person discharging managerial responsibilities (PDMR), specifically the Chief Revenue Officer of Adtran Holdings, Inc. It details the acquisition of shares resulting from the vesting of Performance Stock Units (PSUs). This falls directly under the definition of 'Director's Dealing' (DIRS), which covers personal share transactions by company directors and executives.
2026-01-29 English

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