<SEC-DOCUMENT>0001209191-19-049231.txt : 20190911
<SEC-HEADER>0001209191-19-049231.hdr.sgml : 20190911
<ACCEPTANCE-DATETIME>20190911191929
ACCESSION NUMBER:		0001209191-19-049231
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190909
FILED AS OF DATE:		20190911
DATE AS OF CHANGE:		20190911

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Miller Eric Alejandro
		CENTRAL INDEX KEY:			0001758494

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50768
		FILM NUMBER:		191089280

	MAIL ADDRESS:	
		STREET 1:		C/O ACADIA PHARMACEUTICALS INC.
		STREET 2:		3611 VALLEY CENTRE DRIVE, SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130

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:		3611 VALLEY CENTRE DRIVE
		STREET 2:		SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
		BUSINESS PHONE:		858-558-2871

	MAIL ADDRESS:	
		STREET 1:		3611 VALLEY CENTRE DRIVE
		STREET 2:		SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
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            <transactionTimeliness>
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            <transactionAmounts>
                <transactionShares>
                    <value>7500</value>
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                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            </transactionAmounts>
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            <expirationDate>
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            </expirationDate>
            <underlyingSecurity>
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            <expirationDate>
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                <underlyingSecurityShares>
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            <expirationDate>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
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            <conversionOrExercisePrice>
                <value>16.50</value>
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                <value>2019-09-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1972</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F8"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-04-06</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1972</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3598</value>
                </sharesOwnedFollowingTransaction>
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    <footnotes>
        <footnote id="F1">Includes 860 shares of the Issuer's common stock acquired by the reporting person on November 15, 2018 and 573 shares of the Issuer's common stock acquired by the reporting person on May 15, 2019 pursuant to an employee stock purchase program.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.49 to $39.58, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.1401 to $41.255, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.</footnote>
        <footnote id="F4">The option is fully vested and exercisable.</footnote>
        <footnote id="F5">25% of the shares subject to the Stock Option vested and became exercisable on January 1, 2017, and the remaining shares vest and become exercisable in 36 equal monthly installments thereafter.</footnote>
        <footnote id="F6">25% of the shares subject to the Stock Option vested and became exercisable on March 8, 2018, and the remaining shares vest and become exercisable in 36 equal monthly installments thereafter.</footnote>
        <footnote id="F7">25% of the shares subject to the Stock Option vested and became exercisable on September 7, 2018, and the remaining shares vest and become exercisable in 36 equal monthly installments thereafter.</footnote>
        <footnote id="F8">25% of the shares subject to the Stock Option vest and become exercisable on April 7, 2019, and the remaining shares vest and become exercisable in 36 equal monthly installments thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Austin D. Kim, Attorney-in-Fact</signatureName>
        <signatureDate>2019-09-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
