UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

(AMENDMENT NO.    )

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Filed by the Registrant x    Filed by a Party other than the Registrant     o

Check the appropriate box:

o Preliminary Proxy Statement

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o Definitive Proxy Statement

x Definitive Additional Materials

o Soliciting Material under §240.14a-12

Sprout Social, Inc.

(Name of Registrant as Specified In Its Charter)

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

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