UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
(Rule 14a-101)
INFORMATION REQUIRED IN PROXY STATEMENT
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No. )
Filed by the Registrant ☒
Filed by a Party other than the Registrant ☐
Check the appropriate box:
☐ Preliminary Proxy Statement
☐ Confidential for Use of the Commission... (continue reading...)
Date: June 26, 2026
U.S. Securities and Exchange Commission
100 F Street, NE
Washington, D.C. 20549
Re:
Notice of Disclosure filed in Annual Report on Form 20-F under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Exchange Act
Ladies and Gentlemen:
Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as... (continue reading...)
http://archive.fast-edgar.com/20260626/A622WG2EZZ2RMZZ222ZM2ZYQS4AMEZ22X28G
Filed on: June 26, 2026
UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): June 23, 2026
ADTRAN Holdings, Inc.
(Exact name of Registrant as Specified in Its Charter)
Delaware
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