X0607 3 2026-05-06 0 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 0001912017 Insight Associates XII, L.P. false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001912092 Insight Associates XII, Ltd. false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0001848470 Insight Partners XII, L.P. false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0002133821 Insight Satellite Co-Invest, L.P. false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true 0002133820 Insight Satellite Co-Invest GP, LLC false C/O INSIGHT PARTNERS 1114 AVENUE OF THE AMERICAS, 36TH FLOOR NEW YORK NY 10036 true Series A-1 Preferred Stock Common Stock 725646 I See footnote Series A-2 Preferred Stock Common Stock 802794 I See footnote Series A-3 Preferred Stock Common Stock 271623 I See footnote Series B Preferred Stock Common Stock 705039 I See footnote Series C Preferred Stock Common Stock 226855 I See footnote Series D Preferred Stock Common Stock 90766 I See footnote Held directly by Insight Satellite Co-Invest, L.P. Each share of the Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series A-3 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, and Series D-1 Preferred Stock is convertible into shares of the Issuer's common stock on a 1-for-1 basis, at the holder's election, and will automatically convert into shares of the Issuer's common stock upon the closing of the initial public offering (IPO) pursuant to their terms. The Series A-1 Preferred Stock, Series A-2 Preferred Stock, Series A-3 Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, and Series D-1 Preferred Stock have no expiration date. This Form 3 is the third of four Forms 3 filed relating to the same event. The Form 3 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 3 to a maximum of 10 reporting persons. Each Form 3 is filed by Designated Filer, Insight Holdings Group, LLC. Exhibit 99.3 - Joint Filer Information Insight Holdings Group, LLC, By: /s/ Andrew Prodromos/Authorized Officer 2026-05-06 Insight Associates XII, L.P., By: Insight Associates XII, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer 2026-05-06 Insight Associates XII, Ltd., By: /s/ Andrew Prodromos/Authorized Officer 2026-05-06 Insight Partners XII, L.P., By: Insight Associates XII, L.P., its general partner, By: Insight Associates XII, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer 2026-05-06 Insight Satellite Co-Invest, L.P., By: Insight Satellite Co-Invest GP, LLC, its general partner, By: /s/ Andrew Prodromos/Authorized Officer 2026-05-06 Insight Satellite Co-Invest GP, LLC, By: /s/ Andrew Prodromos/Authorized Officer 2026-05-06