Form D Raw Data - Electronic Filing Depository

EFDID: 539754EFD: Raw Data

Issuer: Guggenheim Investments Private Debt Fund IV-B (U), L.P. (0002047687) - D/A

Accession: 0002047687-25-000002 () (EDGAR Files) (Form D)

Edgar Posted: Dec. 9, 2025
EFD Posted: Dec. 9, 2025

- < edgarSubmission >

< schemaVersion > X0708 </ schemaVersion >

< submissionType > D/A </ submissionType >

< testOrLive > LIVE </ testOrLive >

- < primaryIssuer >

< cik > 0002047687 </ cik >

< entityName > Guggenheim Investments Private Debt Fund IV-B (U), L.P. </ entityName >

- < issuerAddress >

< street1 > 330 MADISON AVENUE, 10TH FLOOR </ street1 >

< city > NEW YORK </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ issuerAddress >

< issuerPhoneNumber > (212) 739-0700 </ issuerPhoneNumber >

< jurisdictionOfInc > DELAWARE </ jurisdictionOfInc >

- < issuerPreviousNameList >

< value > None </ value >

</ issuerPreviousNameList >

- < edgarPreviousNameList >

< value > None </ value >

</ edgarPreviousNameList >

< entityType > Limited Partnership </ entityType >

- < yearOfInc >

< withinFiveYears > true </ withinFiveYears >

< value > 2024 </ value >

</ yearOfInc >

</ primaryIssuer >

- < relatedPersonsList >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > n/a </ firstName >

< lastName > Guggenheim Investments Private Debt Fund IV GP, LLC </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 330 Madison Avenue </ street1 >

< street2 > 10th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Promoter </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification />

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > n/a </ firstName >

< lastName > Guggenheim Corporate Funding, LLC </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 330 Madison Avenue </ street1 >

< street2 > 10th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Promoter </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification />

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Kevin </ firstName >

< middleName > H. </ middleName >

< lastName > Gundersen </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 330 Madison Avenue </ street1 >

< street2 > 10th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification />

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Joseph </ firstName >

< lastName > McCurdy </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 330 Madison Avenue </ street1 >

< street2 > 10th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification />

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Russell </ firstName >

< middleName > W. </ middleName >

< lastName > Parks III </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 330 Madison Avenue </ street1 >

< street2 > 10th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification />

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Daniel </ firstName >

< middleName > M. </ middleName >

< lastName > Montegari </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 330 Madison Avenue </ street1 >

< street2 > 10th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification />

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Alastair </ firstName >

< lastName > McKeever </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 330 Madison Avenue </ street1 >

< street2 > 10th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification />

</ relatedPersonInfo >

</ relatedPersonsList >

- < offeringData >

- < industryGroup >

< industryGroupType > Pooled Investment Fund </ industryGroupType >

- < investmentFundInfo >

< investmentFundType > Other Investment Fund </ investmentFundType >

< is40Act > false </ is40Act >

</ investmentFundInfo >

</ industryGroup >

- < issuerSize >

< aggregateNetAssetValueRange > Decline to Disclose </ aggregateNetAssetValueRange >

</ issuerSize >

- < federalExemptionsExclusions >

< item > 06b </ item >

< item > 3C </ item >

< item > 3C.7 </ item >

</ federalExemptionsExclusions >

- < typeOfFiling >

- < newOrAmendment >

< isAmendment > true </ isAmendment >

< previousAccessionNumber > 0002047687-24-000001 </ previousAccessionNumber >

</ newOrAmendment >

- < dateOfFirstSale >

< value > 2024-12-17 </ value >

</ dateOfFirstSale >

</ typeOfFiling >

- < durationOfOffering >

< moreThanOneYear > false </ moreThanOneYear >

</ durationOfOffering >

- < typesOfSecuritiesOffered >

< isPooledInvestmentFundType > true </ isPooledInvestmentFundType >

</ typesOfSecuritiesOffered >

- < businessCombinationTransaction >

< isBusinessCombinationTransaction > false </ isBusinessCombinationTransaction >

< clarificationOfResponse />

</ businessCombinationTransaction >

< minimumInvestmentAccepted > 0 </ minimumInvestmentAccepted >

- < salesCompensationList >

- < recipient >

< recipientName > Guggenheim Funds Distributors, LLC </ recipientName >

< recipientCRDNumber > 39805 </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > 227 West Monroe Street, 7th Floor </ street1 >

< city > Chicago </ city >

< stateOrCountry > IL </ stateOrCountry >

< stateOrCountryDescription > ILLINOIS </ stateOrCountryDescription >

< zipCode > 60606 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< value > All States </ value >

</ statesOfSolicitationList >

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

- < recipient >

< recipientName > First Avenue Partners LLP </ recipientName >

< recipientCRDNumber > None </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > Swan House </ street1 >

< street2 > 17-19 Stratford Place </ street2 >

< city > London </ city >

< stateOrCountry > X0 </ stateOrCountry >

< stateOrCountryDescription > UNITED KINGDOM </ stateOrCountryDescription >

< zipCode > WlC lBQ </ zipCode >

</ recipientAddress >

< statesOfSolicitationList />

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

- < recipient >

< recipientName > FAP USA, L.P. </ recipientName >

< recipientCRDNumber > 145860 </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > 461 Fifth Avenue </ street1 >

< street2 > 14th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< state > DE </ state >

< description > DELAWARE </ description >

< state > HI </ state >

< description > HAWAII </ description >

< state > TX </ state >

< description > TEXAS </ description >

< state > MA </ state >

< description > MASSACHUSETTS </ description >

< state > MD </ state >

< description > MARYLAND </ description >

< state > IA </ state >

< description > IOWA </ description >

< state > ME </ state >

< description > MAINE </ description >

< state > ID </ state >

< description > IDAHO </ description >

< state > MI </ state >

< description > MICHIGAN </ description >

< state > UT </ state >

< description > UTAH </ description >

< state > MN </ state >

< description > MINNESOTA </ description >

< state > MO </ state >

< description > MISSOURI </ description >

< state > IL </ state >

< description > ILLINOIS </ description >

< state > IN </ state >

< description > INDIANA </ description >

< state > MS </ state >

< description > MISSISSIPPI </ description >

< state > MT </ state >

< description > MONTANA </ description >

< state > AK </ state >

< description > ALASKA </ description >

< state > AL </ state >

< description > ALABAMA </ description >

< state > VA </ state >

< description > VIRGINIA </ description >

< state > AR </ state >

< description > ARKANSAS </ description >

< state > NC </ state >

< description > NORTH CAROLINA </ description >

< state > ND </ state >

< description > NORTH DAKOTA </ description >

< state > NE </ state >

< description > NEBRASKA </ description >

< state > RI </ state >

< description > RHODE ISLAND </ description >

< state > AZ </ state >

< description > ARIZONA </ description >

< state > NH </ state >

< description > NEW HAMPSHIRE </ description >

< state > NJ </ state >

< description > NEW JERSEY </ description >

< state > VT </ state >

< description > VERMONT </ description >

< state > NM </ state >

< description > NEW MEXICO </ description >

< state > FL </ state >

< description > FLORIDA </ description >

< state > NV </ state >

< description > NEVADA </ description >

< state > WA </ state >

< description > WASHINGTON </ description >

< state > NY </ state >

< description > NEW YORK </ description >

< state > SC </ state >

< description > SOUTH CAROLINA </ description >

< state > SD </ state >

< description > SOUTH DAKOTA </ description >

< state > WI </ state >

< description > WISCONSIN </ description >

< state > OH </ state >

< description > OHIO </ description >

< state > GA </ state >

< description > GEORGIA </ description >

< state > OK </ state >

< description > OKLAHOMA </ description >

< state > CA </ state >

< description > CALIFORNIA </ description >

< state > WV </ state >

< description > WEST VIRGINIA </ description >

< state > WY </ state >

< description > WYOMING </ description >

< state > OR </ state >

< description > OREGON </ description >

< state > KS </ state >

< description > KANSAS </ description >

< state > CO </ state >

< description > COLORADO </ description >

< state > KY </ state >

< description > KENTUCKY </ description >

< state > CT </ state >

< description > CONNECTICUT </ description >

< state > PA </ state >

< description > PENNSYLVANIA </ description >

< state > LA </ state >

< description > LOUISIANA </ description >

< state > TN </ state >

< description > TENNESSEE </ description >

< state > DC </ state >

< description > DISTRICT OF COLUMBIA </ description >

</ statesOfSolicitationList >

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

</ salesCompensationList >

- < offeringSalesAmounts >

< totalOfferingAmount > Indefinite </ totalOfferingAmount >

< totalAmountSold > 285387849 </ totalAmountSold >

< totalRemaining > Indefinite </ totalRemaining >

< clarificationOfResponse />

</ offeringSalesAmounts >

- < investors >

< hasNonAccreditedInvestors > false </ hasNonAccreditedInvestors >

< totalNumberAlreadyInvested > 2 </ totalNumberAlreadyInvested >

</ investors >

- < salesCommissionsFindersFees >

- < salesCommissions >

< dollarAmount > 10000000 </ dollarAmount >

< isEstimate > true </ isEstimate >

</ salesCommissions >

- < findersFees >

< dollarAmount > 0 </ dollarAmount >

</ findersFees >

< clarificationOfResponse > The fees are paid by the investment advisor of the Issuer and the estimate includes amounts that may be payable over the next 12 months. </ clarificationOfResponse >

</ salesCommissionsFindersFees >

- < useOfProceeds >

- < grossProceedsUsed >

< dollarAmount > 0 </ dollarAmount >

</ grossProceedsUsed >

< clarificationOfResponse />

</ useOfProceeds >

- < signatureBlock >

< authorizedRepresentative > false </ authorizedRepresentative >

- < signature >

< issuerName > Guggenheim Investments Private Debt Fund IV-B (U), L.P. </ issuerName >

< signatureName > Robert Saperstein </ signatureName >

< nameOfSigner > Robert Saperstein </ nameOfSigner >

< signatureTitle > CCO of the Sole Member of the GP of Issuer </ signatureTitle >

< signatureDate > 2025-12-09 </ signatureDate >

</ signature >

</ signatureBlock >

</ offeringData >

</ edgarSubmission >