<SEC-DOCUMENT>0001105838-21-000003.txt : 20211116
<SEC-HEADER>0001105838-21-000003.hdr.sgml : 20211116
<ACCEPTANCE-DATETIME>20211116174111
ACCESSION NUMBER:		0001105838-21-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211112
FILED AS OF DATE:		20211116
DATE AS OF CHANGE:		20211116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROBOTTI ROBERT
		CENTRAL INDEX KEY:			0001105838

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06311
		FILM NUMBER:		211417565

	MAIL ADDRESS:	
		STREET 1:		60 EAST 42ND STREET
		STREET 2:		SUITE 3100
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10165

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TIDEWATER INC
		CENTRAL INDEX KEY:			0000098222
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				720487776
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6002 ROGERDALE ROAD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77072
		BUSINESS PHONE:		7134705300

	MAIL ADDRESS:	
		STREET 1:		6002 ROGERDALE ROAD
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77072

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TIDEWATER MARINE SERVICE INC
		DATE OF NAME CHANGE:	19780724
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-11-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000098222</issuerCik>
        <issuerName>TIDEWATER INC</issuerName>
        <issuerTradingSymbol>TDW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001105838</rptOwnerCik>
            <rptOwnerName>ROBOTTI ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>60 EAST 42ND STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3100</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10165</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.001 Par Value Per Share</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>15500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.6759</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1885259</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.001 Par Value Per Share</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.0997</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1891759</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.001 Par Value Per Share</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.0551</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1909759</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This amount includes 422,872 shares of the Common Stock, par value $0.001 per share (the &quot;Common Stock&quot;) directly beneficially owned by the performance-fee paying advisory clients of Robotti &amp; Company Advisors, LLC, an investment adviser registered under the Investment Advisers Act of 1940, as amended  (&quot;Robotti Advisors&quot;), 894,609 shares of the Common Stock directly beneficially owned by The Ravenswood Investment Company, LP (&quot;RIC&quot;), 521,030 shares of the Common Stock directly beneficially owned by Ravenswood Investments III, L.P. (&quot;RI&quot;), 3,000 shares of the Common Stock directly beneficially owned by Suzanne and Robert Robotti Foundation, Inc. (&quot;Robotti Foundation&quot;), 26,381 shares of the Common Stock directly beneficially owned by Suzanne Robotti (&quot;Su Robotti&quot;), wife of Robert Robotti, and 17,367 shares of the Common Stock, of which 11,349 shares are restricted stock, directly beneficially owned by Robert Robotti.</footnote>
        <footnote id="F2">This amount includes 422,872 shares of the Common Stock, directly beneficially owned by the performance-fee paying advisory clients of Robotti Advisors, 894,609 shares of the Common Stock directly beneficially owned by RIC, 521,030 shares of the Common Stock directly beneficially owned by RI, 3,000 shares of the Common Stock directly beneficially owned by Robotti Foundation, 32,881 shares of the Common Stock directly beneficially owned by Su Robotti, wife of Robert Robotti, and 17,367 shares of the Common Stock, of which 11,349 shares are restricted stock, directly beneficially owned by Robert Robotti.</footnote>
        <footnote id="F3">This amount includes 422,872 shares of the Common Stock, directly beneficially owned by the performance-fee paying advisory clients of Robotti Advisors, 894,609 shares of the Common Stock directly beneficially owned by RIC, 521,030 shares of the Common Stock directly beneficially owned by RI, 3,000 shares of the Common Stock directly beneficially owned by Robotti Foundation, 32,881 shares of the Common Stock directly beneficially owned by Su Robotti, wife of Robert Robotti, and 35,367 shares of the Common Stock, of which 11,349 shares are restricted stock, directly beneficially owned by Robert Robotti.</footnote>
        <footnote id="F4">Mr. Robotti may be deemed to beneficially own (solely for the purpose of Rule 16a-1(a)(2) under the Securities Exchange Act of 1934, as amended (&quot;Exchange Act&quot;)) certain of the shares of Common Stock set forth in this Form 4 through his indirect proportionate ownership of Robotti Advisors, as managing director of Ravenswood Management Company, LLC, which serves as the general partner of RIC and RI and through his marriage to Su Robotti.  Mr. Robotti disclaims beneficial ownership of all securities reported herein except to the extent of his pecuniary interest therein, if any.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Robert E. Robotti</signatureName>
        <signatureDate>2021-11-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
