0002067241-25-000001.txt : 20251010 0002067241-25-000001.hdr.sgml : 20251010 20251010134746 ACCESSION NUMBER: 0002067241-25-000001 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(1) FILED AS OF DATE: 20251010 DATE AS OF CHANGE: 20251010 EFFECTIVENESS DATE: 20251010 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Washington Harbour Sandbox LLC CENTRAL INDEX KEY: 0002067241 ORGANIZATION NAME: EIN: 932339123 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-560504 FILM NUMBER: 251387521 BUSINESS ADDRESS: STREET 1: 1201 WILSON BLVD STREET 2: STE 2210 CITY: ARLINGTON STATE: VA ZIP: 22209 BUSINESS PHONE: 2028916202 MAIL ADDRESS: STREET 1: 1201 WILSON BLVD STREET 2: STE 2210 CITY: ARLINGTON STATE: VA ZIP: 22209 D 1 primary_doc.xml X0708 D LIVE 0002067241 Washington Harbour Sandbox LLC 1201 WILSON BLVD STE 2210 ARLINGTON VA VIRGINIA 22209 2028916202 DELAWARE None None Limited Liability Company true 2023 - Washington Harbour Partners, LP 1201 WILSON BLVD ARLINGTON VA VIRGINIA 22209 Director Promoter Investment Manager and General Partner of the Issuer Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.1 false 2024-12-10 true true false 100000 Indefinite 1000000 Indefinite false 11 0 0 0 false Washington Harbour Sandbox LLC /s/ Stephen Guffey Stephen Guffey Chief Financial Officer and Chief Compliance Officer 2025-10-10