SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

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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

x Definitive Additional Materials

¨ Soliciting Material Pursuant to § 240.14a-12

ACADIA 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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	*** Exercise Your Right to Vote ***
	Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on June 06, 2014
			Meeting Information
	ACADIA PHARMACEUTICALS INC.		Meeting Type:  Annual Meeting
			For holders as of:  April 08, 2014
			Date:  June 06, 2014            Time:  8:00 AM PDT
			Location:  Hilton La Jolla Torrey Pines
			10950 North Torrey Pines Road
			La Jolla, California 92037
		You are receiving this communication because you hold shares in the above named company. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting.
			See the reverse side of this notice to obtain proxy materials and voting instructions.

Broadridge Internal Use Only

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— Before You Vote —

How to Access the Proxy Materials

	Proxy Materials Available to VIEW or RECEIVE:
	1. Annual report/ 10-K          2. Proxy Statement How to View Online: Have the information that is printed in the box marked by the arrow (located on the following page) and visit: www.proxyvote.com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET:         www.proxyvote.com 2) BY TELEPHONE:     1-800-579-1639 3) BY E-MAIL*:             sendmaterial@proxyvote.com *  If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow (located on the following page) in the subject line. Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 25, 2014 to facilitate timely delivery.
— How To Vote — Please Choose One of the Following Voting Methods
	Vote In Person: If you choose to vote these shares in person at the meeting, you must request a “legal proxy.” To do so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the appropriate instructions. Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance.
	Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a voting instruction form.	Internal Use Only

Voting items
The Board of Directors recommends that you vote FOR the following:
1.	Election of Directors
	Nominees
01	Michael Borer            02      Mary Ann Gray            03      Lester Kaplan
The Board of Directors recommends you vote FOR the following proposal(s):
2	To approve, on an advisory basis, the Company’s executive compensation.
3	To ratify the selection of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2014.
NOTE: Such other business as may properly come before the meeting or any adjournment thereof.

                       

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Voting Instructions

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THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE