0002142754-26-000001.txt : 20261005 0002142754-26-000001.hdr.sgml : 20261005 20261002184900 ACCESSION NUMBER: 0002142754-26-000001 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: 20261005 DATE AS OF CHANGE: 20261002 EFFECTIVENESS DATE: 20261005 FILER: COMPANY DATA: COMPANY CONFORMED NAME: IronArc Opportunities XXVIII, LP CENTRAL INDEX KEY: 0002142754 ORGANIZATION NAME: EIN: 422365882 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-599852 FILM NUMBER: 261438341 BUSINESS ADDRESS: STREET 1: 111 SANDRA MURAIDA WAY STREET 2: STE. 100 CITY: AUSTIN STATE: TX ZIP: 78703 BUSINESS PHONE: 2064507899 MAIL ADDRESS: STREET 1: 111 SANDRA MURAIDA WAY STREET 2: STE. 100 CITY: AUSTIN STATE: TX ZIP: 78703 D 1 primary_doc.xml X0708 D LIVE 0002142754 IronArc Opportunities XXVIII, LP 111 SANDRA MURAIDA WAY STE. 100 AUSTIN TX TEXAS 78703 2064507899 DELAWARE None None Limited Partnership true 2026 Patrick Flynn 111 Sandra Muraida Way Ste. 100 Austin TX TEXAS 78703 Executive Officer Promoter Principal of the General Partner of the Issuer n/a IronArc GP-A, LLC 111 Sandra Muraida Way Ste. 100 Austin TX TEXAS 78703 Promoter General Partner of the Issuer Pooled Investment Fund Venture Capital Fund false Decline to Disclose 06b 3C 3C.1 false 2026-06-16 false true false 100000 12500000 12500000 0 false 2 0 0 0 false IronArc Opportunities XXVIII, LP /s/ Patrick Flynn Patrick Flynn Principal of the General Partner of the Issuer 2026-10-02