UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. )

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☐    Preliminary Proxy Statement

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☐    Definitive Proxy Statement

☒    Definitive Additional Materials

☐    Soliciting Material Pursuant to §240.14a-12

Hawthorn Bancshares, Inc.

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(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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