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Filed by the Registrant ☒
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Filed by a Party other than the Registrant ☐
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Preliminary Proxy Statement
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Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
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| ☐ | Definitive Proxy Statement |
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| ☒ | Definitive Additional Materials |
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| ☐ | Soliciting Material Pursuant to § 240.14a-12 |
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CytomX Therapeutics, Inc.
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(Name of Registrant as Specified In Its Charter)
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(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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No fee required.
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Fee paid previously with preliminary materials.
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| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |
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