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ADTN ADTRAN HOLDINGS INC Management Changes 8-K Filing

DTRN

DTN

ADTRAN HOLDINGS INC

(ADTN)

2025 8-K

Financial Results Report

Management Changes

Financial Results Announced

Preliminary Financial Results

Management Change

Financial Results Announcement

Convertible Notes Issued

Credit Agreement Update

Financial Statements

Financial Statements

Financial Statements

Increase, Decrease in Divid...

Reorganizations

Restatements of financial s...

Debt Restructuring

Financial Statements

Financial Adjustment

Management Changes

Financial Results

Q3 2024 Results

Financial Results Announcement

Resignation of Director

Credit Agreement Amendment

Stock Incentive Plan Approval

Closure of Facility in Germany

Financial Results

Financial Results Announcement

Financial Restatements

Credit Agreement Amendment

Departure of Directors or C...

Salary Reductions and Stock...

Financial Results and Busin...

Compensation Committee Appr...

Earnings Reports

Restatement of Financial St...

Financial Results and Divid...

Consulting Agreement with M...

Amendment to Employment Agr...

Annual Meeting of Stockholders

Financial Results and Divid...

Financial Results Announcement

Amendment to Employment Agr...

External Links:

On December 9, 2025, ADTRAN Holdings, Inc. updated the employment agreement of its CTO Christoph Glingener, extending his contract to December 31, 2026, and raising his salary to €400,000, along with performance incentives.

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ADTRAN HOLDINGS INC

2025

8 K

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