Adtran Holdings, INC. 8-K Filing
Ticker: ADTN · Form: 8-K · Filed: Dec 11, 2025 · CIK: 926282
Sentiment: neutral
Filing Stats: 732 words · 3 min read · ~2 pages · Grade level 12.5 · Accepted 2025-12-11 16:05:26
Key Financial Figures
- $0.01 — ch registered Common Stock, Par Value $0.01 per share ADTN Nasdaq Global Select
Filing Documents
- adtn-20251209.htm (8-K) — 46KB
- adtn-ex10_1.htm (EX-10.1) — 96KB
- 0001193125-25-315910.txt ( ) — 258KB
- adtn-20251209.xsd (EX-101.SCH) — 24KB
- adtn-20251209_htm.xml (XML) — 5KB
01 Financial Statements and Exhibits
Item 9.01 Financial Statements and Exhibits. Exhibit Number Description 10.1 Twentieth Amendment to Employment Agreement, dated December 9, 2025, by and between Adtran Networks SE and Christoph Glingener 104 Cover Page Interactive Data File – the cover page iXBRL tags are embedded within the Inline XBRL document
SIGNATURES
SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ADTRAN Holdings, Inc. Date: December 11, 2025 By: /s/ Timothy Santo Timothy Santo Senior Vice President and Chief Financial Officer