{"cik":"0001731136","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Pioneer Fund (U.S.) L.P.","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"9724 E. PRESERVE WAY","street2":null,"city":"SCOTTSDALE","stateOrCountry":"AZ","zipCode":"85262","stateOrCountryDescription":"AZ","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"9724 E. PRESERVE WAY","street2":null,"city":"SCOTTSDALE","stateOrCountry":"AZ","zipCode":"85262","stateOrCountryDescription":"AZ","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"(647) 505-0354","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001140361-18-009225"],"filingDate":["2018-02-21"],"reportDate":[""],"acceptanceDateTime":["2018-02-21T15:06:13.000Z"],"act":["33"],"form":["D"],"fileNumber":["021-306074"],"filmNumber":["18627258"],"items":["06b,3C.1"],"core_type":["D"],"size":[8534],"isXBRL":[0],"isInlineXBRL":[0],"isXBRLNumeric":[null],"primaryDocument":["xslFormDX01/primary_doc.xml"],"primaryDocDescription":[""]},"files":[]}}