BKSY files Rule 144 notice for 27,587 RSUs

BKSY submitted a Rule 144 notice reporting the proposed sale of Class A Common Stock, including 27,587 restricted stock units dated 06/10/2026.

Rhea-AI Filing Summary

BKSY submitted a Rule 144 notice reporting the proposed sale of Class A Common Stock, including 27,587 restricted stock units dated 06/10/2026. The filing lists securities information and numeric entries appearing on the form, with a reference date of 06/11/2026.

Insights

Securities Compliance Analyst

Routine Rule 144 notice listing restricted stock units for resale.

The excerpt lists Class A Common Stock and a line showing 27,587 restricted stock units dated 06/10/2026. Rule 144 notices commonly disclose intended resale by affiliates or insiders under resale safe-harbors.

Timing and cash-flow treatment are not stated in the excerpt; subsequent filings or transaction reports would show actual dispositions and purchasers.

Key Figures

Restricted stock units: 27,587 shares Numeric field: 40,592,538 Numeric field: 409,234.10

3 metrics

Restricted stock units 27,587 shares Restricted Stock Units dated <date>06/10/2026</date>

Numeric field 40,592,538 Numeric entry in securities information line with date <date>06/11/2026</date>

Numeric field 409,234.10 Numeric entry in securities information line appearing before 40,592,538

Key Terms

Restricted Stock Units, Class A Common Stock, Rule 144

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 27587 | 06/10/2026"

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.

Class A Common Stock financial

"Class A Common Stock | Morgan Stanley Smith Barney LLC Executive Financial Services"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Rule 144 regulatory

"Form type: 144 (Rule 144 notice for resale of restricted securities)"

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.

FAQ

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

What did BKSY report in this Rule 144 filing?

The filing reports a Rule 144 notice for Class A Common Stock, including 27,587 restricted stock units dated 06/10/2026, and lists securities information with a reference date of 06/11/2026.

Does the filing show proceeds or buyers for the BKSY shares?

No cash-proceeds or buyer details are shown in the excerpt. The content lists quantities and dates but does not disclose sale proceeds, counterparties, or transaction completion details.

What securities are named in the BKSY excerpt?

The excerpt names Class A Common Stock and specifically identifies Restricted Stock Units totaling 27,587 with a date of 06/10/2026 in the securities section.

What dates appear in the BKSY filing excerpt?

The excerpt shows the restricted stock units dated 06/10/2026 and a reference date of 06/11/2026 in the securities information line.

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

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Accepted by SEC EDGAR 06/11/2026 - 05:10 PM EDT 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	0001400954
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	BlackSky Technology Inc.
SEC File Number	001-39113
Address of Issuer	2411 DULLES CORNER PARK SUITE 300 HERNDON VIRGINIA 20171
Phone	571-267-1571
Name of Person for Whose Account the Securities are To Be Sold	Lin Christiana L
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
Class A Common Stock	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza, 8th Floor New York NY 10004	12001	409234.10	40592538	06/11/2026	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 *
Class A Common Stock	06/10/2026	Restricted Stock Units	Issuer			27587	06/10/2026	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	Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (RSUs) and does not represent a discretionary sale by the Reporting Person
Date of Notice	06/11/2026
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	Christiana Lin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)