<SEC-DOCUMENT>0001415889-14-002157.txt : 20140716
<SEC-HEADER>0001415889-14-002157.hdr.sgml : 20140716
<ACCEPTANCE-DATETIME>20140716175947
ACCESSION NUMBER:		0001415889-14-002157
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20140715
FILED AS OF DATE:		20140716
DATE AS OF CHANGE:		20140716

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACADIA PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001070494
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				061376651
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11085 TORREYANA ROAD
		STREET 2:		SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-558-2871

	MAIL ADDRESS:	
		STREET 1:		11085 TORREYANA ROAD
		STREET 2:		SUITE 100
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DAVIS STEPHEN
		CENTRAL INDEX KEY:			0001131146

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50768
		FILM NUMBER:		14978864

	MAIL ADDRESS:	
		STREET 1:		NEUROGEN CORP
		STREET 2:		35 NORTHEAST INDUSTRIAL RD
		CITY:			BRANFORD
		STATE:			CT
		ZIP:			06405
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3-07162014_020739.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2014-07-15</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001070494</issuerCik>
        <issuerName>ACADIA PHARMACEUTICALS INC</issuerName>
        <issuerTradingSymbol>ACAD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001131146</rptOwnerCik>
            <rptOwnerName>DAVIS STEPHEN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>11085 TORREYANA ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92121</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>EVP, CFO AND CBO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Glenn F. Baity, Attorney-in-Fact</signatureName>
        <signatureDate>2014-07-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-07162014_020739.htm
<TEXT>
<!DOCTYPE html PUBLIC "-//IETF//DTD HTML//EN">
<html><head><title>ex24-07162014_020739.htm</title></head><body style="margin-top:0;font-family:Times New Roman; font-size:10pt; color:#000000">
<p style="margin:0px; font-size:12pt" align="center"><b>POWER OF ATTORNEY</b></p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px; font-size:12pt" align="justify">Know all by these presents, that the undersigned hereby authorizes <b>Uli Hacksell </b>or <b>Glenn F. Baity</b> to execute for and on behalf of the undersigned, in the undersigned's capacity as an officer of <b>ACADIA Pharmaceuticals Inc.</b> (the "Company"), Forms 3, 4 and 5 and any Amendments thereto, and cause such form(s) to be filed with the Securities and Exchange Commission pursuant to Section 16(a) of the Securities Exchange Act of 1934, relating to the undersigned's beneficial ownership of securities in the Company. &nbsp;The undersigned hereby grants to such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or substitute or substitutes of such attorney-in-fact, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. &nbsp;The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, is not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.</p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px; font-size:12pt" align="justify">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of, and transactions in, securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact.</p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px; font-size:12pt" align="justify">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed this 15th day of July 2014.</p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px" align="justify"><br></p>
<p style="margin:0px; padding-left:384px; text-indent:48px; font-size:12pt" align="justify"><u>/s/ Stephen R. Davis</u></p>
<p style="margin:0px; padding-left:432px; font-size:7.2pt" align="justify">STEPHEN R. DAVIS</p>
<p style="margin:0px" align="justify"><br><br><br></p>
<p style="line-height:10pt; margin:0px; font-family:Century Schoolbook,Times New Roman; font-size:12pt">&nbsp;</p>
</body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
