ADTRAN Holdings, Inc. (ADTN)

Every official ADTRAN Holdings, Inc. filing in one place: annual reports, quarterly results, current reports, proxy statements, shareholding and announcements, straight from the regulator. Free to search.

ADTRAN Holdings, Inc. documents

• ADTRAN Holdings, Inc. 10-K 2026ADTN 10-K 2026: annual report for fiscal 2026
• ADTRAN Holdings, Inc. 10-K 2025ADTN 10-K 2025: annual report for fiscal 2025
• ADTRAN Holdings, Inc. 10-K 2024ADTN 10-K 2024: annual report for fiscal 2024
• ADTRAN Holdings, Inc. 10-K 2023ADTN 10-K 2023: annual report for fiscal 2023
• ADTRAN Holdings, Inc. 10-K 2022ADTN 10-K 2022: annual report for fiscal 2022
• ADTRAN Holdings, Inc. 10-Q 2026ADTN 10-Q 2026: quarterly report for fiscal 2026
• ADTRAN Holdings, Inc. 10-Q 2025ADTN 10-Q 2025: quarterly report for fiscal 2025
• ADTRAN Holdings, Inc. 10-Q 2024ADTN 10-Q 2024: quarterly report for fiscal 2024
• ADTRAN Holdings, Inc. 10-Q 2023ADTN 10-Q 2023: quarterly report for fiscal 2023
• ADTRAN Holdings, Inc. 10-Q 2022ADTN 10-Q 2022: quarterly report for fiscal 2022
• ADTRAN Holdings, Inc. 8-K 2026ADTN 8-K 2026: current report for fiscal 2026
• ADTRAN Holdings, Inc. 8-K 2025ADTN 8-K 2025: current report for fiscal 2025
• ADTRAN Holdings, Inc. 8-K 2024ADTN 8-K 2024: current report for fiscal 2024
• ADTRAN Holdings, Inc. 8-K 2023ADTN 8-K 2023: current report for fiscal 2023
• ADTRAN Holdings, Inc. 8-K 2022ADTN 8-K 2022: current report for fiscal 2022
• ADTRAN Holdings, Inc. DEF 14A 2026ADTN DEF 14A 2026: proxy statement for fiscal 2026
• ADTRAN Holdings, Inc. DEF 14A 2025ADTN DEF 14A 2025: proxy statement for fiscal 2025
• ADTRAN Holdings, Inc. DEF 14A 2024ADTN DEF 14A 2024: proxy statement for fiscal 2024
• ADTRAN Holdings, Inc. DEF 14A 2023ADTN DEF 14A 2023: proxy statement for fiscal 2023
• ADTRAN Holdings, Inc. DEF 14A 2022ADTN DEF 14A 2022: proxy statement for fiscal 2022
• ADTRAN Holdings, Inc. Form 4 2026ADTN Form 4 2026: insider trading filing for fiscal 2026
• ADTRAN Holdings, Inc. Form 4 2025ADTN Form 4 2025: insider trading filing for fiscal 2025
• ADTRAN Holdings, Inc. Form 4 2024ADTN Form 4 2024: insider trading filing for fiscal 2024
• ADTRAN Holdings, Inc. Form 4 2023ADTN Form 4 2023: insider trading filing for fiscal 2023
• ADTRAN Holdings, Inc. Form 4 2022ADTN Form 4 2022: insider trading filing for fiscal 2022
• ADTRAN Holdings, Inc. S-1 2026ADTN S-1 2026: registration statement for fiscal 2026
• ADTRAN Holdings, Inc. S-1 2025ADTN S-1 2025: registration statement for fiscal 2025
• ADTRAN Holdings, Inc. S-1 2024ADTN S-1 2024: registration statement for fiscal 2024
• ADTRAN Holdings, Inc. S-1 2023ADTN S-1 2023: registration statement for fiscal 2023
• ADTRAN Holdings, Inc. S-1 2022ADTN S-1 2022: registration statement for fiscal 2022
• ADTRAN Holdings, Inc. 13F 2026ADTN 13F 2026: institutional holdings for fiscal 2026
• ADTRAN Holdings, Inc. 13F 2025ADTN 13F 2025: institutional holdings for fiscal 2025
• ADTRAN Holdings, Inc. 13F 2024ADTN 13F 2024: institutional holdings for fiscal 2024
• ADTRAN Holdings, Inc. 13F 2023ADTN 13F 2023: institutional holdings for fiscal 2023
• ADTRAN Holdings, Inc. 13F 2022ADTN 13F 2022: institutional holdings for fiscal 2022

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