ADTRAN Holdings, Inc. — DEF 14A

ADTRAN Holdings, Inc. of HUNTSVILLE, AL filed a DEF 14A with the SEC on 2003-03-10. Industry: Telephone & Telegraph Apparatus.

Filing

Documents (5)

SeqTypeDescription
1DEF 14ANOTICE AND PROXY
3GRAPHICGRAPHIC
4GRAPHICGRAPHIC
5GRAPHICGRAPHIC
6GRAPHICGRAPHIC

Filing timeline for this registrant (60)

Showing 12 of 60 filings.

FiledForm
2026-05-01DEFA14A
2026-03-27DEFA14A
2026-03-27DEF 14A
2026-03-13PRE 14A
2025-06-06DEFA14A
2025-06-06DEFR14A
2025-05-27DEFA14A
2025-05-13DEFA14A
2025-03-31DEFA14A
2025-03-31DEF 14A
2024-04-04DEFA14A
2024-03-27DEFA14A

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