ADTRAN

SEC Filings

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Date Filing Type Filing Description Download / View
December 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
December 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
November 20, 2023
Form 4
Statement of Changes in Beneficial Ownership
November 20, 2023
Form 4
Statement of Changes in Beneficial Ownership
November 17, 2023
Form 4
Statement of Changes in Beneficial Ownership
November 17, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 21, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
September 7, 2023
Form 4
Statement of Changes in Beneficial Ownership
August 10, 2023
Form NT 10-Q
Notification that Quarterly Report will be submitted late
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
June 8, 2023
Form 4
Statement of Changes in Beneficial Ownership
May 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
May 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
May 3, 2023
Form DEFA14A
Additional Proxy Soliciting Materials (definitive)
March 28, 2023
Form ARS
Annual Report to Security Holders
March 28, 2023
Form DEFA14A
Additional Proxy Soliciting Materials (definitive)
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
March 23, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 25, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 24, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 24, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership
January 4, 2023
Form 4
Statement of Changes in Beneficial Ownership