X0609 4 2026-05-08 0001750704 HawkEye 360, Inc. HAWK 0001305473 Insight Holdings Group, LLC false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0002133838 Insight Partners Holdings Focus-H, L.P. false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0002133807 Insight Partners Warehouse GP, LLC false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001498545 Insight Venture Management, LLC false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0002133817 Insight Falcon Partners (A), L.P. false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0002133811 Insight Falcon Associates, Ltd. false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true false Common Stock 2026-05-08 4 C 0 2272723 A 2272723 I See footnote Series A-1 Preferred Stock 2026-05-08 4 C 0 584256 D Common Stock 584256 0 I See footnote Series A-2 Preferred Stock 2026-05-08 4 C 0 646372 D Common Stock 646372 0 I See footnote Series A-3 Preferred Stock 2026-05-08 4 C 0 218698 D Common Stock 218698 0 I See footnote Series B Preferred Stock 2026-05-08 4 C 0 567664 D Common Stock 567664 0 I See footnote Series C Preferred Stock 2026-05-08 4 C 0 182653 D Common Stock 182653 0 I See footnote Series D Preferred Stock 2026-05-08 4 C 0 73080 D Common Stock 73080 0 I See footnote See Exhibit 99.1 See Exhibit 99.1 This Form 4 is the fourth of four Forms 4 filed relating to the same event. The Form 4 has been split into four filings because there are more than 10 reporting persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting persons. Each Form 4 is filed by Designated Filer, Insight Holdings Group, LLC. Exhibit List Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Signatures Exhibit 99.3 - Joint Filer Information Insight Holdings Group, LLC, By: /s/ Andrew Prodromos/Authorized Officer 2026-05-12