<SEC-DOCUMENT>0001254402-14-000006.txt : 20141021
<SEC-HEADER>0001254402-14-000006.hdr.sgml : 20141021
<ACCEPTANCE-DATETIME>20141021105353
ACCESSION NUMBER:		0001254402-14-000006
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130617
FILED AS OF DATE:		20141021
DATE AS OF CHANGE:		20141021

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VICOR CORP
		CENTRAL INDEX KEY:			0000751978
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS, NEC [3679]
		IRS NUMBER:				042742817
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		25 FRONTAGE ROAD
		CITY:			ANDOVER
		STATE:			MA
		ZIP:			01810
		BUSINESS PHONE:		9784702900

	MAIL ADDRESS:	
		STREET 1:		25 FRONTAGE RD
		CITY:			ANDOVER
		STATE:			MA
		ZIP:			01810

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIMMS JAMES A
		CENTRAL INDEX KEY:			0001254402

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18277
		FILM NUMBER:		141165177

	MAIL ADDRESS:	
		STREET 1:		8383 SENECA TURNPIKE
		CITY:			NEW HARTFORD
		STATE:			NY
		ZIP:			13413
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
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            <transactionAmounts>
                <transactionShares>
                    <value>0</value>
                    <footnoteId id="F11"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F11"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F11"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F11"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Granted 5/1/2008 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vests over a five year period.</footnote>
        <footnote id="F2">Granted 6/24/2010 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vests over a two year period.</footnote>
        <footnote id="F3">Granted 6/23/2011 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vests over a two year period.</footnote>
        <footnote id="F4">Granted 6/21/2012 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan and vests over a two year period.</footnote>
        <footnote id="F5">Granted 8/27/2010 under the Company's Amended and Restated 2000 Stock Option and Incentive Plan, vesting when certain defined performance milestones for the Company's Brick Business Unit are achieved.</footnote>
        <footnote id="F6">On 6/17/2013, the issuer canceled, pursuant to the issuer's Offer to Exchange, filed on Schedule TO with the Securities and Exchange Commission on May 17, 2013, options granted to the reporting person. In exchange, the reporting person was awarded replacement options, having exercise prices ranging from $6.29 to $10.48 per share.</footnote>
        <footnote id="F7">The replacement options vest over a five year period in equal installments.</footnote>
        <footnote id="F8">Pursuant to the issuer's Offer to Exchange, the replacement options awarded in exchange for the Brick Business Unit performance options canceled are broken into five price increments: the first fifth vests on the first anniversary date, the second fifth on the second anniversary date, the third fifth on the third anniversary date, the fourth fifth on the fourth anniversary date, and the last fifth on the fifth anniversary date of the new options award.</footnote>
        <footnote id="F9">On a Form 4 filed on June 19, 2013, the reporting person reported acquiring options to purchase 10,000 shares pursuant to the Company's Amended and Restated 2000 Stock Option and Incentive Plan. However, the Company subsequently determined that, in an aggregate amount including the options to purchase 695 shares that are the subject of this amendment, options to purchase 29,514 shares were not validly granted during 2013 pursuant to the Company's Amended and Restated 2000 Stock Option and Incentive Plan because the grants exceeded the limit on the number of options that may be granted to any individual participant within any calendar year.  Accordingly, the attempted grant of these excess options was ineffective, and they were never granted to the reporting person.  The reporting person is filing this amendment to report the correct amount of options acquired on June 17, 2013.</footnote>
        <footnote id="F10">On a Form 4 filed on June 19, 2013, the reporting person reported acquiring options to purchase 10,000 shares pursuant to the Company's Amended and Restated 2000 Stock Option and Incentive Plan. However, the Company subsequently determined that, in an aggregate amount including the options to purchase 10,000 shares that are the subject of this amendment, options to purchase 29,514 shares were not validly granted during 2013 pursuant to the Company's Amended and Restated 2000 Stock Option and Incentive Plan because the grants exceeded the limit on the number of options that may be granted to any individual participant within any calendar year.  Accordingly, the attempted grant of these excess options was ineffective, and they were never granted to the reporting person.  The reporting person is filing this amendment to report the correct amount of options acquired on June 17, 2013.</footnote>
        <footnote id="F11">On a Form 4 filed on June 19, 2013, the reporting person reported acquiring options to purchase 10,000 shares pursuant to the Company's Amended and Restated 2000 Stock Option and Incentive Plan. However, the Company subsequently determined that, in an aggregate amount including the options to purchase 10,000 shares that are the subject of this amendment, options to purchase 29,514 shares were not validly granted during 2013 pursuant to the Company's Amended and Restated 2000 Stock Option and Incentive Plan because the grants exceeded the limit on the number of options that may be granted to any individual participant within any calendar year.  Accordingly, the attempted grant of these excess options was ineffective, and they were never granted to the reporting person.  The reporting person is filing this amendment to report the correct amount of options acquired on June 17, 2013.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Kemble D. Morrison, Attorney in Fact for James A. Simms</signatureName>
        <signatureDate>2014-10-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
