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 x
Filed by a Party Other Than the Registrant ¨
Check the Appropriate Box:
| ¨ | Preliminary Proxy Statement | |||||||
| ¨ | Confidential, for Use of the Commission Only (as Permitted by Rule 14a-6(e)(2)) | |||||||
| ¨ | Definitive Proxy Statement | |||||||
| x | Definitive Additional Materials | |||||||
| ¨ | Soliciting Material Pursuant to §240.14a-12 | |||||||
| Pfizer 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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