Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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SCHEDULE 14A INFORMATION

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

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Filed by the Registrant  ☒

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Filed by a Party other than the Registrant  ☐

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Check the appropriate box:

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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.
☒	Definitive Additional Materials.
☐	Soliciting Material Pursuant to §240.14a-12

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SOLIGENIX, INC.

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(Name of Registrant as Specified in Its Charter)

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☒	No fee required.
☐	Fee paid previously with preliminary materials.
☐	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a6(i)(1) and 0-11.

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[The following is a post made to the Company’s social media pages on Twitter, Facebook, Instagram and LinkedIn on May 17, 2024]

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Your vote is needed. Please participate in our Annual Meeting of Shareholders today. Go to www.proxyvote.com or call 1-800-690-6903 (have your proxy card available) to vote your shares.

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