Form D Raw Data - Electronic Filing Depository

EFDID: 564411EFD: Raw Data

Issuer: Deep Isolation Nuclear, Inc. (0001918080) - D

Accession: 0001213900-25-073238 () (EDGAR Files) (Form D)

Edgar Posted: Aug. 7, 2025
EFD Posted: Aug. 8, 2025

- < edgarSubmission >

< schemaVersion > X0708 </ schemaVersion >

< submissionType > D </ submissionType >

< testOrLive > LIVE </ testOrLive >

- < primaryIssuer >

< cik > 0001918080 </ cik >

< entityName > Deep Isolation Nuclear, Inc. </ entityName >

- < issuerAddress >

< street1 > 2001 ADDISON STREET </ street1 >

< street2 > SUITE 300 </ street2 >

< city > BERKELEY </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ issuerAddress >

< issuerPhoneNumber > 509-943-5222 </ issuerPhoneNumber >

< jurisdictionOfInc > DELAWARE </ jurisdictionOfInc >

- < issuerPreviousNameList >

< value > None </ value >

</ issuerPreviousNameList >

- < edgarPreviousNameList >

< previousName > Aspen-1 Acquisition Inc. </ previousName >

</ edgarPreviousNameList >

< entityType > Corporation </ entityType >

- < yearOfInc >

< withinFiveYears > true </ withinFiveYears >

< value > 2021 </ value >

</ yearOfInc >

</ primaryIssuer >

- < relatedPersonsList >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Elizabeth </ firstName >

< lastName > Muller </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Director </ relationship >

</ relatedPersonRelationshipList >

< relationshipClarification > Ms. Muller is the chair of the Issuer's board of directors and is the co-founder of Deep Isolation, Inc., the Issuer's wholly owned subsidiary. </ relationshipClarification >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Rodney </ firstName >

< lastName > Baltzer </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

< relationship > Director </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Leslie </ firstName >

< middleName > Goldman </ middleName >

< lastName > Tepper </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Director </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Kent </ firstName >

< lastName > Cole </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Director </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Jonathon </ firstName >

< lastName > Angell </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Director </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Sophie </ firstName >

< lastName > McCallum </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Christopher </ firstName >

< lastName > Parker </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Jesse </ firstName >

< lastName > Sloane </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

- < relatedPersonInfo >

- < relatedPersonName >

< firstName > Steven </ firstName >

< lastName > Airhart </ lastName >

</ relatedPersonName >

- < relatedPersonAddress >

< street1 > 2001 Addison Street </ street1 >

< street2 > Suite 300 </ street2 >

< city > Berkeley </ city >

< stateOrCountry > CA </ stateOrCountry >

< stateOrCountryDescription > CALIFORNIA </ stateOrCountryDescription >

< zipCode > 94704 </ zipCode >

</ relatedPersonAddress >

- < relatedPersonRelationshipList >

< relationship > Executive Officer </ relationship >

</ relatedPersonRelationshipList >

</ relatedPersonInfo >

</ relatedPersonsList >

- < offeringData >

- < industryGroup >

< industryGroupType > Other </ industryGroupType >

</ industryGroup >

- < issuerSize >

< revenueRange > $5,000,001 - $25,000,000 </ revenueRange >

</ issuerSize >

- < federalExemptionsExclusions >

< item > 06b </ item >

</ federalExemptionsExclusions >

- < typeOfFiling >

- < newOrAmendment >

< isAmendment > false </ isAmendment >

</ newOrAmendment >

- < dateOfFirstSale >

< value > 2025-07-23 </ value >

</ dateOfFirstSale >

</ typeOfFiling >

- < durationOfOffering >

< moreThanOneYear > false </ moreThanOneYear >

</ durationOfOffering >

- < typesOfSecuritiesOffered >

< isEquityType > true </ isEquityType >

< isOptionToAcquireType > true </ isOptionToAcquireType >

</ typesOfSecuritiesOffered >

- < businessCombinationTransaction >

< isBusinessCombinationTransaction > true </ isBusinessCombinationTransaction >

< clarificationOfResponse > The initial sale of the subject securities occurred concurrently with the closing of a reverse triangular merger with Deep Isolation, Inc. The Issuer changed its name to Deep Isolation Nuclear, Inc. at the effective time of the merger. </ clarificationOfResponse >

</ businessCombinationTransaction >

< minimumInvestmentAccepted > 4998 </ minimumInvestmentAccepted >

- < salesCompensationList >

- < recipient >

< recipientName > Seaport Global Securities LLC </ recipientName >

< recipientCRDNumber > 000116270 </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > 360 Madison Ave </ street1 >

< street2 > 22nd Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10017 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< state > CA </ state >

< description > CALIFORNIA </ description >

< state > CO </ state >

< description > COLORADO </ description >

< state > FL </ state >

< description > FLORIDA </ description >

< state > GA </ state >

< description > GEORGIA </ description >

< state > MD </ state >

< description > MARYLAND </ description >

< state > MA </ state >

< description > MASSACHUSETTS </ description >

< state > MN </ state >

< description > MINNESOTA </ description >

< state > MO </ state >

< description > MISSOURI </ description >

< state > NJ </ state >

< description > NEW JERSEY </ description >

< state > NY </ state >

< description > NEW YORK </ description >

< state > PA </ state >

< description > PENNSYLVANIA </ description >

< state > TX </ state >

< description > TEXAS </ description >

< state > WI </ state >

< description > WISCONSIN </ description >

</ statesOfSolicitationList >

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

- < recipient >

< recipientName > Phoenix Financial Services </ recipientName >

< recipientCRDNumber > 000144403 </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > 100 WALL STREET </ street1 >

< street2 > FLOOR 10 </ street2 >

< city > NEW YORK </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10005 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< state > AL </ state >

< description > ALABAMA </ description >

< state > AZ </ state >

< description > ARIZONA </ description >

< state > AR </ state >

< description > ARKANSAS </ description >

< state > CA </ state >

< description > CALIFORNIA </ description >

< state > CO </ state >

< description > COLORADO </ description >

< state > CT </ state >

< description > CONNECTICUT </ description >

< state > DE </ state >

< description > DELAWARE </ description >

< state > DC </ state >

< description > DISTRICT OF COLUMBIA </ description >

< state > FL </ state >

< description > FLORIDA </ description >

< state > IA </ state >

< description > IOWA </ description >

< state > KS </ state >

< description > KANSAS </ description >

< state > KY </ state >

< description > KENTUCKY </ description >

< state > LA </ state >

< description > LOUISIANA </ description >

< state > MD </ state >

< description > MARYLAND </ description >

< state > MA </ state >

< description > MASSACHUSETTS </ description >

< state > MI </ state >

< description > MICHIGAN </ description >

< state > MS </ state >

< description > MISSISSIPPI </ description >

< state > NV </ state >

< description > NEVADA </ description >

< state > NJ </ state >

< description > NEW JERSEY </ description >

< state > NY </ state >

< description > NEW YORK </ description >

< state > NC </ state >

< description > NORTH CAROLINA </ description >

< state > OH </ state >

< description > OHIO </ description >

< state > OR </ state >

< description > OREGON </ description >

< state > PA </ state >

< description > PENNSYLVANIA </ description >

< state > RI </ state >

< description > RHODE ISLAND </ description >

< state > TN </ state >

< description > TENNESSEE </ description >

< state > TX </ state >

< description > TEXAS </ description >

< state > VT </ state >

< description > VERMONT </ description >

< state > VA </ state >

< description > VIRGINIA </ description >

< state > WA </ state >

< description > WASHINGTON </ description >

< state > WI </ state >

< description > WISCONSIN </ description >

</ statesOfSolicitationList >

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

- < recipient >

< recipientName > Network 1 Financial Securities, Inc. </ recipientName >

< recipientCRDNumber > 000013577 </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > THE GALLERIA, SUITE 241 </ street1 >

< street2 > 2 BRIDGE AVENUE </ street2 >

< city > RED BANK </ city >

< stateOrCountry > NJ </ stateOrCountry >

< stateOrCountryDescription > NEW JERSEY </ stateOrCountryDescription >

< zipCode > 07701 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< state > AL </ state >

< description > ALABAMA </ description >

< state > AZ </ state >

< description > ARIZONA </ description >

< state > CA </ state >

< description > CALIFORNIA </ description >

< state > CO </ state >

< description > COLORADO </ description >

< state > CT </ state >

< description > CONNECTICUT </ description >

< state > FL </ state >

< description > FLORIDA </ description >

< state > GA </ state >

< description > GEORGIA </ description >

< state > IL </ state >

< description > ILLINOIS </ description >

< state > LA </ state >

< description > LOUISIANA </ description >

< state > MD </ state >

< description > MARYLAND </ description >

< state > MA </ state >

< description > MASSACHUSETTS </ description >

< state > MI </ state >

< description > MICHIGAN </ description >

< state > NE </ state >

< description > NEBRASKA </ description >

< state > NJ </ state >

< description > NEW JERSEY </ description >

< state > NY </ state >

< description > NEW YORK </ description >

< state > NC </ state >

< description > NORTH CAROLINA </ description >

< state > OH </ state >

< description > OHIO </ description >

< state > PA </ state >

< description > PENNSYLVANIA </ description >

< state > SC </ state >

< description > SOUTH CAROLINA </ description >

< state > TX </ state >

< description > TEXAS </ description >

</ statesOfSolicitationList >

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

- < recipient >

< recipientName > Maxim Group LLC </ recipientName >

< recipientCRDNumber > 000120708 </ recipientCRDNumber >

< associatedBDName > Christopher James Fiore </ associatedBDName >

< associatedBDCRDNumber > 002269479 </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > 300 PARK AVE </ street1 >

< street2 > 16TH FLOOR </ street2 >

< city > NEW YORK </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10022 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< state > FL </ state >

< description > FLORIDA </ description >

</ statesOfSolicitationList >

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

- < recipient >

< recipientName > The Benchmark Company, LLC </ recipientName >

< recipientCRDNumber > 000022982 </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > 150 E 58th Street </ street1 >

< street2 > 17th Floor </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10155 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< state > CA </ state >

< description > CALIFORNIA </ description >

< state > FL </ state >

< description > FLORIDA </ description >

</ statesOfSolicitationList >

< foreignSolicitation > false </ foreignSolicitation >

</ recipient >

- < recipient >

< recipientName > Dinosaur Financial Group, L.L.C. </ recipientName >

< recipientCRDNumber > 000104446 </ recipientCRDNumber >

< associatedBDName > None </ associatedBDName >

< associatedBDCRDNumber > None </ associatedBDCRDNumber >

- < recipientAddress >

< street1 > 33 Whitehall St. </ street1 >

< street2 > 1102 </ street2 >

< city > New York </ city >

< stateOrCountry > NY </ stateOrCountry >

< stateOrCountryDescription > NEW YORK </ stateOrCountryDescription >

< zipCode > 10004 </ zipCode >

</ recipientAddress >

- < statesOfSolicitationList >

< state > NJ </ state >

< description > NEW JERSEY </ description >

< state > NY </ state >

< description > NEW YORK </ description >

</ statesOfSolicitationList >

< foreignSolicitation > true </ foreignSolicitation >

</ recipient >

</ salesCompensationList >

- < offeringSalesAmounts >

< totalOfferingAmount > 33037348 </ totalOfferingAmount >

< totalAmountSold > 33037348 </ totalAmountSold >

< totalRemaining > 0 </ totalRemaining >

</ offeringSalesAmounts >

- < investors >

< hasNonAccreditedInvestors > false </ hasNonAccreditedInvestors >

< totalNumberAlreadyInvested > 241 </ totalNumberAlreadyInvested >

</ investors >

- < salesCommissionsFindersFees >

- < salesCommissions >

< dollarAmount > 3188387 </ dollarAmount >

</ salesCommissions >

- < findersFees >

< dollarAmount > 0 </ dollarAmount >

</ findersFees >

< clarificationOfResponse > The Issuer also issued warrants to purchase an aggregate of: (i) 166,667 shares of common stock at an exercise price of $0.0001 to Benchmark and Seaport and (ii) 829,730 shares of common stock at an exercise price of $3.00 to the Placement Agents. </ clarificationOfResponse >

</ salesCommissionsFindersFees >

- < useOfProceeds >

- < grossProceedsUsed >

< dollarAmount > 0 </ dollarAmount >

</ grossProceedsUsed >

< clarificationOfResponse />

</ useOfProceeds >

- < signatureBlock >

< authorizedRepresentative > false </ authorizedRepresentative >

- < signature >

< issuerName > Deep Isolation Nuclear, Inc. </ issuerName >

< signatureName > /s/ Rodney Baltzer </ signatureName >

< nameOfSigner > Rodney Baltzer </ nameOfSigner >

< signatureTitle > President and Chief Executive Officer </ signatureTitle >

< signatureDate > 2025-08-07 </ signatureDate >

</ signature >

</ signatureBlock >

</ offeringData >

</ edgarSubmission >