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<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0306 </schemaVersion> |
| <documentType> 4 </documentType> |
| <periodOfReport> 2020-01-02 </periodOfReport> |
| <issuer> |
| | <issuerCik> 0000921582 </issuerCik> |
| | <issuerName> IMAX CORP </issuerName> |
| | <issuerTradingSymbol> IMAX </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0000944011 </rptOwnerCik> |
| | | <rptOwnerName> GELFOND RICHARD L </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 902 BROADWAY </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 20TH FLOOR </rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState></rptOwnerState> |
| | | <rptOwnerZipCode> 10010-6002 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> true </isDirector> |
| | | <isOfficer> true </isOfficer> |
| | | <isTenPercentOwner> false </isTenPercentOwner> |
| | | <isOther> false </isOther> |
| | | <officerTitle> Chief Executive Officer </officerTitle> |
| | | <otherText></otherText> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <nonDerivativeTable> |
| | <nonDerivativeHolding> |
| | | <securityTitle> |
| <value> common shares (opening balance) </value> |
| </securityTitle> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 271992 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </nonDerivativeHolding> |
| | </nonDerivativeTable> |
| <derivativeTable> |
| | <derivativeTransaction> |
| | | <securityTitle> |
| <value> restricted share units </value> |
| <footnoteId id="F1"/> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <value> 0.00 </value> |
| <footnoteId id="F2"/> |
| </conversionOrExercisePrice> |
| | | <transactionDate> |
| <value> 2020-01-02 </value> |
| </transactionDate> |
| | | <deemedExecutionDate></deemedExecutionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> A </transactionCode> |
| <equitySwapInvolved> false </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionTimeliness></transactionTimeliness> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 134146 </value> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 0.00 </value> |
| <footnoteId id="F2"/> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> A </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <exerciseDate> |
| <footnoteId id="F3"/> |
| </exerciseDate> |
| | | <expirationDate> |
| <footnoteId id="F3"/> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> common shares </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 134146 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 0 </value> |
| <footnoteId id="F4"/> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </derivativeTransaction> |
| | </derivativeTable> |
| <footnotes> |
| | <footnote id="F1"> Each restricted share unit represents a contingent right to receive one common share of IMAX Corporation. </footnote> |
| | <footnote id="F2"> Each restricted share unit is the economic equivalent of one common share of IMAX Corporation. </footnote> |
| | <footnote id="F3"> The restricted share units vest and will be converted to common shares in three installments: 44,715 on each of January 2, 2021 and January 2, 2022 and 44,716 on January 2, 2023. </footnote> |
| | <footnote id="F4"> This represents the number of restricted share units for this transaction only. Mr. Gelfond's aggregate remaining outstanding option, restricted share unit and common share balances following these transactions will be 3,396,343; 134,146 and 271,992, respectively. </footnote> |
| | </footnotes> |
| <remarks></remarks> |
| <ownerSignature> |
| | <signatureName> /s/ Richard L. Gelfond </signatureName> |
| | <signatureDate> 2020-01-06 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |