Form 3 HawkEye 360, Inc. For: May 06 Filed by: Insight Holdings Group, LLC

May 6, 2026 9:57 PM

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person ^*

Insight Holdings Group, LLC

(Last)

(First)

(Middle)

C/O INSIGHT PARTNERS

1114 AVENUE OF THE AMERICAS, 36TH FLOOR

(Street)

NEW YORK

10036

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/06/2026

3. Issuer Name and Ticker or Trading Symbol
HawkEye 360, Inc. [ HAWK ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Series A-1 Preferred Stock	⁽²⁾	⁽²⁾	Common Stock	584,256	⁽²⁾	I	See footnote ⁽¹⁾
Series A-2 Preferred Stock	⁽²⁾	⁽²⁾	Common Stock	646,372	⁽²⁾	I	See footnote ⁽¹⁾
Series A-3 Preferred Stock	⁽²⁾	⁽²⁾	Common Stock	218,698	⁽²⁾	I	See footnote ⁽¹⁾
Series B Preferred Stock	⁽²⁾	⁽²⁾	Common Stock	567,664	⁽²⁾	I	See footnote ⁽¹⁾
Series C Preferred Stock	⁽²⁾	⁽²⁾	Common Stock	182,653	⁽²⁾	I	See footnote ⁽¹⁾
Series D Preferred Stock	⁽²⁾	⁽²⁾	Common Stock	73,080	⁽²⁾	I	See footnote ⁽¹⁾

Explanation of Responses:

1. Held directly by Insight Partners Holdings Focus-H, L.P.

2. 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.

Remarks:

This Form 3 is the fourth 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 List

Exhibit 99.3 - Joint Filer Information

	Insight Holdings Group, LLC, By: /s/ Andrew Prodromos/Authorized Officer	05/06/2026
	** Signature of Reporting Person	Date
	Insight Partners Holdings Focus-H, L.P., By: Insight Partners Warehouse GP, LLC, its general partner, By: /s/ Andrew Prodromos/Authorized Officer	05/06/2026
	** Signature of Reporting Person	Date
	Insight Partners Warehouse GP, LLC, By: /s/ Andrew Prodromos/Authorized Officer	05/06/2026
	** Signature of Reporting Person	Date
	Insight Venture Management, LLC, By: /s/ Andrew Prodromos/Authorized Officer	05/06/2026
	** Signature of Reporting Person	Date
	Insight Falcon Partners (A), L.P., By: Insight Falcon Associates, Ltd., its general partner, By: /s/ Andrew Prodromos/Authorized Officer	05/06/2026
	** Signature of Reporting Person	Date
	Insight Falcon Associates, Ltd., By: /s/ Andrew Prodromos/Authorized Officer	05/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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Form 3 HawkEye 360, Inc. For: May 06 Filed by: Insight Holdings Group, LLC

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