Mark Spoto - 08 May 2026 Form 4 Insider Report for HawkEye 360, Inc. (HAWK)

Reporting relationship: Director
Issuer ticker: HAWK
Reported as of: 08 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 May 2026, 16:15:25 UTC
Prior SEC filing: 06 May 2026
Next SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael S. Turner, Attorney-in-Fact

Key filing fact

Mark Spoto filed Form 4 for HawkEye 360, Inc. (HAWK) on 12 May 2026.

Key facts

This page summarizes Mark Spoto's Form 4 filing for HawkEye 360, Inc. (HAWK).
17 reported transactions and 12 derivative rows are listed below.
Accepted by SEC: 12 May 2026, 16:15.

Change

Previous filing in this sequence was filed on 06 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001836585 Primary reporting owner

Spoto Mark

Relationship: Director
Address: C/O HAWKEYE 360, INC., 450 SPRINGPARK PLACE, SUITE 500, HERNDON
Signature: /s/ Michael S. Turner, Attorney-in-Fact
Signature date: 12 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HAWK transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +2,279,591
Change %: +5754%
Price
Shares after: 2,319,211
Date: 08 May 2026
Ownership: See footnote
Footnotes: F1, F2

HAWK transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,389,294
Change %: +5721%
Price
Shares after: 1,413,578
Date: 08 May 2026
Ownership: See footnote
Footnotes: F1, F3

HAWK transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +789,044
Change %: +461%
Price
Shares after: 960,042
Date: 08 May 2026
Ownership: See footnote
Footnotes: F1, F4

HAWK transaction

Common Stock

Options Exercise

Transaction value
Shares: +10,867
Change %: +1.1%
Price
Shares after: 970,909
Date: 08 May 2026
Ownership: See footnote
Footnotes: F4, F5

HAWK transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -4,671
Change %: -0.48%
Price
Shares after: 966,238
Date: 08 May 2026
Ownership: See footnote
Footnotes: F4, F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HAWK transaction Derivative

Series A-2 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,371,302
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 1,371,302
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series A-2 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -835,740
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 835,740
Exercise price
Footnotes: F1, F3

HAWK transaction Derivative

Series A-3 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -311,186
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 311,186
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series A-3 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -189,652
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 189,652
Exercise price
Footnotes: F1, F3

HAWK transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -513,701
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 513,701
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -313,073
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 313,073
Exercise price
Footnotes: F1, F3

HAWK transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -343,934
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 343,934
Exercise price
Footnotes: F1, F4

HAWK transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -221,391
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 221,391
Exercise price
Footnotes: F1, F4

HAWK transaction Derivative

Series D-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -83,402
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 83,402
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series D-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -50,829
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 50,829
Exercise price
Footnotes: F1, F3

HAWK transaction Derivative

Series D-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -223,719
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 223,719
Exercise price
Footnotes: F1, F4

HAWK transaction Derivative

Warrant to Purchase Common Stock

Options Exercise

Transaction value
Shares: -10,867
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 10,867
Exercise price: $11.17
Footnotes: F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

The 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 automatically converted into common stock upon the closing of the Issuer's initial public offering (IPO) for no additional consideration, on a 1-for-1 basis, and had no expiration date.

Footnote F2

These securities are owned directly by Razor's Edge Fund II, LP. Razor's Edge Ventures II, LLC is the general partner of Razor's Edge Fund II, LP. The reporting person is a managing member of Razor's Edge Ventures II, LLC and may be deemed to be the beneficial owner of the securities held by Razor's Edge Fund II, LP. The reporting person disclaims beneficial ownership of the securities held by Razor's Edge Fund II, LP except to the extent of his pecuniary interest therein.

Footnote F3

These securities are owned directly by Razor's Edge Fund II-A, LP. Razor's Edge Ventures II, LLC is the general partner of Razor's Edge Fund II-A, LP. The reporting person is a managing member of Razor's Edge Ventures II, LLC and may be deemed to be the beneficial owner of the securities held by Razor's Edge Fund II-A, LP. The reporting person disclaims beneficial ownership of the securities held by Razor's Edge Fund II-A, LP except to the extent of his pecuniary interest therein.

Footnote F4

These securities are owned directly by REII Sidecar 2, LLC. Razor's Edge Ventures II, LLC is the manager of REII Sidecar 2, LLC. The reporting person is a managing member of Razor's Edge Ventures II, LLC and may be deemed to be the beneficial owner of the securities held by REII Sidecar 2, LLC. The reporting person disclaims beneficial ownership of the securities held by REII Sidecar 2, LLC except to the extent of his pecuniary interest therein.

Footnote F5

The warrant to acquire common stock automatically net exercised into shares of the Issuer's common stock immediately prior to consummation of the IPO. The warrant had an exercise price of $11.1747 per share. The holder paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 4,671 of the warrant shares to pay the exercise price and issuing to the holder the remaining 6,196 shares.