BKSY Rule 144: Notice to Sell Class A Shares

BKSKY filing a Rule 144 notice disclosing proposed sales of Class A Common Stock.

Rhea-AI Filing Summary

BKSKY filing a Rule 144 notice disclosing proposed sales of Class A Common Stock. The notice lists 15,512 (numeric entry) and a separate entry of 35,659 tied to Restricted Stock Units, with transaction dates of 06/10/2026 and a filing date of 06/11/2026. The intermediary shown is Morgan Stanley Smith Barney LLC Executive Financial Services.

Insights

Securities Compliance Analyst

TL;DR: Rule 144 notice lists proposed resale of Class A shares via a broker and restricted stock units on 06/10/2026.

The excerpt lists Class A Common Stock and a separate line for Restricted Stock Units with dates 06/10/2026 and a filing date of 06/11/2026. An intermediary, Morgan Stanley Smith Barney LLC Executive Financial Services, is shown as the selling broker.

Cash‑flow treatment and definitive amounts designated as "registered" versus context figures are not fully described in the excerpt. Subsequent filings or the full Rule 144 form would clarify the exact number of shares proposed for resale and whether sales are via brokered transactions.

Key Figures

Numeric entry: 15,512 Monetary-style entry: 528,959.00 Numeric entry: 40,592,538 +1 more

4 metrics

Numeric entry 15,512 Listed on a Class A Common Stock line

Monetary-style entry 528,959.00 Numeric value appearing in the excerpt (label not specified)

Numeric entry 40,592,538 Numeric value appearing in the excerpt (label not specified)

Restricted Stock Units 35,659 Listed on a Restricted Stock Units line dated <date>06/10/2026</date>

Key Terms

Restricted Stock Units, Class A Common Stock, Rule 144

3 terms

Restricted Stock Units financial

"Class A Common Stock | 06/10/2026 | Restricted Stock Units"

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 indicated as 144: Filer Information"

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 does the BKSY Rule 144 filing disclose?

The filing discloses proposed sales of Class A Common Stock and Restricted Stock Units, listing 15,512 and 35,659 with dates 06/10/2026 and a filing date of 06/11/2026.

Who is listed as the selling intermediary in the BKSY filing?

The excerpt names Morgan Stanley Smith Barney LLC Executive Financial Services at New York Plaza as the intermediary handling the proposed sales on the filing.

Are the amounts in the BKSY excerpt confirmed as shares being sold?

The excerpt shows numeric entries such as 15,512 and 35,659 tied to securities lines, but the provided text does not explicitly label a single aggregate as the definitive number being sold.

What dates are associated with the transactions in the BKSY filing?

Transaction or security lines include the date 06/10/2026 and the filing shows 06/11/2026, each attached to the Class A and RSU entries in the excerpt.

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

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Accepted by SEC EDGAR 06/11/2026 - 05:30 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	0001443092
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	O'Toole Brian E
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
Relationship to Issuer	Director

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	15512	528959.00	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			35659	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	Brian O'Toole
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)