HawkEye 360 officer may sell 19,189 shares in 2026

A HawkEye 360 officer filed a Rule 144 notice to sell up to 19,189 shares tied to RSU vesting and tax withholding arrangements.

Rhea-AI Filing Summary

HawkEye 360, Inc. (HAWK) received a Rule 144 notice from officer Craig Searle covering potential sales of common stock related to vesting Restricted Stock Units. The notice lists 19,189 shares of common stock to be sold on or after September 15, 2026, with the issuer as the securities source.

The filing also reports that 9,228 shares of HawkEye 360 common stock were sold through Morgan Stanley Smith Barney LLC on the NYSE on September 15, 2026, for an aggregate value of $151,154.64. A remark explains that the sales include shares used in a mandatory sell-to-cover transaction to fund tax withholding upon RSU vesting and settlement.

Key Figures

Shares to be sold: 19,189 shares Shares sold in past 3 months: 9,228 shares Aggregate sale value: $151,154.64 +2 more

5 metrics

Shares to be sold 19,189 shares Maximum common shares to be sold from RSUs on or after September 15, 2026

Shares sold in past 3 months 9,228 shares Common shares sold through Morgan Stanley Smith Barney LLC

Aggregate sale value $151,154.64 Total value of 9,228 shares sold on September 15, 2026

Sale date September 15, 2026 Date of reported NYSE sale of 9,228 shares

Security type Common Stock Class of HawkEye 360 securities covered by the notice

Key Terms

Rule 144, Restricted Stock Units, sell-to-cover transaction, tax withholding obligations

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Units financial

"Common Stock | 09/15/2026 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

sell-to-cover transaction financial

"be funded by a sell-to-cover transaction upon the vesting"

A sell-to-cover transaction is when a person granted company stock (for example as part of compensation or option exercise) immediately sells enough of those shares to pay required taxes or exercise costs and keeps the rest. Think of it like cashing part of a bonus to cover the tax bill; it provides necessary cash without the holder needing outside funds. Investors watch these sales because they increase trading volume and slightly reduce insider holdings, but they often reflect routine tax or cost management rather than a judgment on the company’s prospects.

tax withholding obligations financial

"tax withholding obligations be funded by a sell-to-cover"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filing disclose for HawkEye 360 (HAWK)?

The Form 144 reports that officer Craig Searle may sell up to 19,189 shares of HawkEye 360 common stock on or after September 15, 2026, with the shares coming from Restricted Stock Units issued by HawkEye 360.

How many HawkEye 360 (HAWK) shares were sold in the past three months?

The filing states that 9,228 shares of HawkEye 360 common stock were sold through Morgan Stanley Smith Barney LLC on the NYSE on September 15, 2026, for an aggregate value of $151,154.64.

What type of securities are involved in the HawkEye 360 (HAWK) Form 144?

The notice involves HawkEye 360 common stock underlying Restricted Stock Units. It identifies the issuer as HawkEye 360, Inc. and indicates that the RSUs are the source of the 19,189 shares covered by the planned sale.

Why does the HawkEye 360 (HAWK) filing mention tax withholding?

The remarks explain that the shares include those sold pursuant to the issuer’s mandatory election that tax withholding obligations be funded by a sell-to-cover transaction upon the vesting and settlement of Restricted Stock Units.

Who is the person selling HawkEye 360 (HAWK) shares under this Form 144?

The person for whose account the securities are to be sold is Craig Searle, identified in the filing as an officer of HawkEye 360, Inc.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/15/2026 - 05:03 PM Accepted by SEC EDGAR 09/15/2026 - 05:01 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002127284
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	HawkEye 360, Inc.
SEC File Number	001-43266
Address of Issuer	450 SPRINGPARK PL SUITE 500 HERNDON VIRGINIA 20170
Phone	571-203-0360
Name of Person for Whose Account the Securities are To Be Sold	Searle Craig Chih-Meng
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	9228	151154.64	97965552	09/15/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	09/15/2026	Restricted Stock Units	Issuer			19189	09/15/2026	n/a

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Includes shares to be sold pursuant to the Issuer's mandatory election that tax withholding obligations be funded by a sell-to-cover transaction upon the vesting and settlement of Restricted Stock Units.
Date of Notice	09/15/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Craig Searle
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)