David G. Dewalt - 08 May 2026 Form 4 Insider Report for HawkEye 360, Inc. (HAWK)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: HAWK
Reported as of: 08 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 May 2026, 16:15:30 UTC
Prior SEC filing: 06 May 2026
Next SEC filing: 14 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael S. Turner, Attorney-in-Fact

Key filing fact

David G. Dewalt filed Form 4 for HawkEye 360, Inc. (HAWK) on 12 May 2026.

Key facts

This page summarizes David G. Dewalt's Form 4 filing for HawkEye 360, Inc. (HAWK).
33 reported transactions and 24 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 0001228853 Primary reporting owner

DEWALT DAVID G

Relationship: Director, 10%+ Owner
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: +467,726
Change %
Price
Shares after: 467,726
Date: 08 May 2026
Ownership: Direct
Footnotes: F1

HAWK transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +5,841,537
Change %: +546%
Price
Shares after: 6,911,018
Date: 08 May 2026
Ownership: See footnote
Footnotes: F1, F2

HAWK transaction

Common Stock

Options Exercise

Transaction value
Shares: +30,645
Change %: +0.44%
Price
Shares after: 6,941,663
Date: 08 May 2026
Ownership: See footnote
Footnotes: F2, F3

HAWK transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -12
Change %: -0%
Price
Shares after: 6,941,651
Date: 08 May 2026
Ownership: See Footnote
Footnotes: F2, F3

HAWK transaction

Common Stock

Options Exercise

Transaction value
Shares: +85,273
Change %: +1.2%
Price
Shares after: 7,026,924
Date: 08 May 2026
Ownership: See footnote
Footnotes: F2, F4

HAWK transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -33
Change %: -0%
Price
Shares after: 7,026,891
Date: 08 May 2026
Ownership: See Footnote
Footnotes: F2, F4

HAWK transaction

Common Stock

Options Exercise

Transaction value
Shares: +13,535
Change %: +0.19%
Price
Shares after: 7,040,426
Date: 08 May 2026
Ownership: See footnote
Footnotes: F2, F5

HAWK transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -5,818
Change %: -0.08%
Price
Shares after: 7,034,608
Date: 08 May 2026
Ownership: See footnote
Footnotes: F2, F5

HAWK transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +2,114,806
Change %
Price
Shares after: 2,114,806
Date: 08 May 2026
Ownership: See footnote
Footnotes: F1, F6

Reported derivative securities

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

HAWK transaction Derivative

Series A-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -120,242
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 120,242
Exercise price
Footnotes: F1

HAWK transaction Derivative

Series A-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -32,719
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 32,719
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series A-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -271,102
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 271,102
Exercise price
Footnotes: F1, F6

HAWK transaction Derivative

Series A-2 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -133,023
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 133,023
Exercise price
Footnotes: F1

HAWK transaction Derivative

Series A-2 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -36,196
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 36,196
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series A-2 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -299,917
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 299,917
Exercise price
Footnotes: F1, F6

HAWK transaction Derivative

Series A-3 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -45,008
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 45,008
Exercise price
Footnotes: F1

HAWK transaction Derivative

Series A-3 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -12,247
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 12,247
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series A-3 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -101,477
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 101,477
Exercise price
Footnotes: F1, F6

HAWK transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -116,825
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 116,825
Exercise price
Footnotes: F1

HAWK transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -31,789
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 31,789
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -263,398
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 263,398
Exercise price
Footnotes: F1, F6

HAWK transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -37,589
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 37,589
Exercise price
Footnotes: F1

HAWK transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -5,017,739
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 5,017,739
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -84,751
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 84,751
Exercise price
Footnotes: F1, F6

HAWK transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -15,039
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 15,039
Exercise price
Footnotes: F1

HAWK transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -220,162
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 220,162
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -33,909
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 33,909
Exercise price
Footnotes: F1, F6

HAWK transaction Derivative

Series D-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -278,635
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 278,635
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares: -212,050
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 212,050
Exercise price
Footnotes: F1, F2

HAWK transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,060,252
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 1,060,252
Exercise price
Footnotes: F1, F6

HAWK transaction Derivative

Warrant to Purchase Common Stock

Options Exercise

Transaction value
Shares: -30,645
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 30,645
Exercise price: $0.0100
Footnotes: F3, F7

HAWK transaction Derivative

Warrant to Purchase Common Stock

Options Exercise

Transaction value
Shares: -85,273
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 85,273
Exercise price: $0.0100
Footnotes: F4, F7

HAWK transaction Derivative

Warrant to Purchase Common Stock

Options Exercise

Transaction value
Shares: -13,535
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: See Footnote
Underlying class: Common Stock
Underlying amount: 13,535
Exercise price: $11.17
Footnotes: F5, F7

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

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, Series D-1 Preferred Stock and Series E Preferred Stock automatically converted into common stock upon the closing of the Issuer's initial public offering for no additional consideration, on a 1-for-1 basis, and had no expiration date.

Footnote F2

The shares are held of record by NightDragon Growth I, L.P. ("NightDragon I"). NightDragon Growth GP I, LLC ("NightDragon GP I") is the general partner of NightDragon I. The Reporting Person is the managing member of NightDragon GP I and may be deemed to hold voting and investment power with respect to the shares held by NightDragon I.

Footnote F3

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 $0.01 per share. The holder paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 12 of the warrant shares to pay the exercise price and issuing to the holder the remaining 30,633 shares.

Footnote F4

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 $0.01 per share. The holder paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 33 of the warrant shares to pay the exercise price and issuing to the holder the remaining 85,240 shares.

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 5,818 of the warrant shares to pay the exercise price and issuing to the holder the remaining 7,717 shares.

Footnote F6

The shares are held of record by NightDragon Growth II, L.P. ("NightDragon II"). NightDragon Growth GP II, LLC ("NightDragon GP II") is the general partner of NightDragon II. The Reporting Person is the managing member of NightDragon GP II and may be deemed to hold voting and investment power with respect to the shares held by NightDragon II.

Footnote F7

The Warrant is held of record by NightDragon I. NightDragon GP I is the general partner of NightDragon I. The Reporting Person is the managing member of NightDragon GP I and may be deemed to hold voting and investment power with respect to the shares held by NightDragon I.