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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. )
Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐
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☐ Preliminary Proxy Statement
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☐ Definitive Proxy Statement
☒ Definitive Additional Materials
☐ Soliciting Material Under § 240.14a-12
Pieris Pharmaceuticals, 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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