{"cik":"0001840918","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"Insight Partners Fund X (Delaware) Follow-On Fund, L.P.","tickers":[],"exchanges":[],"ein":"861313222","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"E9","stateOfIncorporationDescription":"Cayman Islands","addresses":{"mailing":{"street1":"1114 AVENUE OF THE AMERICAS, 36TH FLOOR","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10036","stateOrCountryDescription":"NY","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1114 AVENUE OF THE AMERICAS, 36TH FLOOR","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10036","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"(212) 230-9200","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001974078-25-000382","0001974078-25-000358","0001974078-25-000348","0001974078-25-000215","0001974078-24-000440","0001974078-24-000417","0000899140-24-000442","0001974078-24-000140","0000899140-24-000034","0001974078-24-000037","0001974078-24-000024","0000899140-24-000018","0001974078-24-000014","0001567619-21-013044","0001567619-21-013043","0000899140-21-000076"],"filingDate":["2025-10-14","2025-10-06","2025-10-01","2025-07-07","2024-11-13","2024-11-12","2024-04-03","2024-04-01","2024-01-09","2024-01-08","2024-01-05","2024-01-05","2024-01-03","2021-07-06","2021-07-06","2021-01-25"],"reportDate":["","","","","","","2024-04-01","","2024-01-05","","","2024-01-03","","2021-07-02","2021-07-02",""],"acceptanceDateTime":["2025-10-14T21:26:08.000Z","2025-10-06T21:17:18.000Z","2025-10-01T21:39:52.000Z","2025-07-07T20:45:03.000Z","2024-11-13T23:42:49.000Z","2024-11-12T16:01:00.000Z","2024-04-04T01:06:47.000Z","2024-04-01T21:37:40.000Z","2024-01-09T22:11:01.000Z","2024-01-08T20:05:03.000Z","2024-01-05T21:25:53.000Z","2024-01-05T21:14:58.000Z","2024-01-03T21:41:41.000Z","2021-07-07T01:14:25.000Z","2021-07-07T01:12:28.000Z","2021-01-25T13:28:59.000Z"],"act":["","","","","","","34","","34","","","34","","34","34","33"],"form":["144","144","144","144","144","144","4","144","4","144/A","144","4","144","4","3","D"],"fileNumber":["","","","","","","001-40531","","001-40531","","","001-40531","","001-40531","001-40531","021-387158"],"filmNumber":["","","","","","","24821326","","24524063","","","24516403","","211076057","211076049","21548060"],"items":["","","","","","","","","","","","","","","","06b,3C,3C.7"],"core_type":["144","144","144","144","144","144","4","144","4","144/A","144","4","144","4","3","D"],"size":[9440,7518,6262,4962,6373,5235,36733,31377,35542,23033,6296,42870,4941,52287,48534,10434],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xsl144X01/primary_doc.xml","xsl144X01/primary_doc.xml","xsl144X01/primary_doc.xml","xsl144X01/primary_doc.xml","xsl144X01/primary_doc.xml","xsl144X01/primary_doc.xml","xslF345X05/form4.xml","xsl144X01/primary_doc.xml","xslF345X05/form4.xml","xsl144X01/primary_doc.xml","xsl144X01/primary_doc.xml","xslF345X05/form4.xml","xsl144X01/primary_doc.xml","xslF345X03/doc1.xml","xslF345X02/doc1.xml","xslFormDX01/primary_doc.xml"],"primaryDocDescription":["","","","","","","","","","","","","","FORM 4","FORM 3",""]},"files":[]}}