AVIAT NETWORKS, INC. — Proxy Solicitation & Information Statement 2022

Sep 29, 2022

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A (Rule 14a-101)

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

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¨ Preliminary Proxy Statement ¨ Confidential, for use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy Statement þ Definitive Additional Materials ¨ Soliciting Material under to § 240.14a-12

Aviat Networks, Inc. (Name of Registrant as Specified In Its Charter)

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