<SEC-DOCUMENT>0000815556-25-000074.txt : 20250318
<SEC-HEADER>0000815556-25-000074.hdr.sgml : 20250318
<ACCEPTANCE-DATETIME>20250318112802
ACCESSION NUMBER:		0000815556-25-000074
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250314
FILED AS OF DATE:		20250318
DATE AS OF CHANGE:		20250318

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lewis Holden
		CENTRAL INDEX KEY:			0001681628
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16125
		FILM NUMBER:		25746957

	MAIL ADDRESS:	
		STREET 1:		6714 MELODY LANE
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FASTENAL CO
		CENTRAL INDEX KEY:			0000815556
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-BUILDING MATERIALS, HARDWARE, GARDEN SUPPLY [5200]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				410948415
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2001 THEURER BLVD
		CITY:			WINONA
		STATE:			MN
		ZIP:			55987
		BUSINESS PHONE:		5074545374

	MAIL ADDRESS:	
		STREET 1:		2001 THEURER BLVD
		CITY:			WINONA
		STATE:			MN
		ZIP:			55987
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1742311676.xml
<DESCRIPTION>FORM 4
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                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14781</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Shares held in a living Trust maintained by the reporting person and his spouse.</footnote>
        <footnote id="F2">The option was previously reported in a filing dated 1/3/2019 as covering 11,538 securities at a strike price of $52 and the amounts were adjusted to reflect a 2-for-1 stock split on 5/22/2019.</footnote>
        <footnote id="F3">The option will vest and become exercisable over a period of five years, with 25% of the option vesting and becoming exercisable two years following the grant date and the remainder vesting and becoming exercisable proportionately (20%) each year thereafter.</footnote>
        <footnote id="F4">The option will fully vest and become exercisable over a period of five years, with 40% vesting and becoming exercisable two years following the date of grant and the remainder vesting and becoming exercisable proportionately each year thereafter.</footnote>
        <footnote id="F5">The option will fully vest and become exercisable over a period of five years, with 20% vesting and becoming exercisable each year following the grant date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ John J. Milek,  Attorney-in-Fact</signatureName>
        <signatureDate>2025-03-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
