[144] BlackSky Technology Inc. SEC Filing

A shareholder has filed a notice of proposed sale of 10,388 shares of the issuer’s Class A common stock through Morgan Stanley Smith Barney LLC on the NYSE.

Rhea-AI Filing Summary

A shareholder has filed a notice of proposed sale of 10,388 shares of the issuer’s Class A common stock through Morgan Stanley Smith Barney LLC on the NYSE. The shares have an indicated aggregate market value of $200,176.80, compared with 36,017,721 shares outstanding of this class. The shares were acquired on 12/10/2025 via restricted share units that vested as equity compensation, with payment dated 12/11/2025.

The filing also reports that the same seller, Christiana Lin, sold 24,036 shares of Class A common stock on 09/11/2025, generating gross proceeds of $419,428.20. By signing the notice, the seller represents that they are not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.

FAQ

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

What does this Form 144 filing for BKSY disclose?

It discloses that a shareholder plans to sell 10,388 shares of the issuer’s Class A common stock on the NYSE through Morgan Stanley Smith Barney LLC, with an indicated aggregate market value of $200,176.80.

How many BKSY Class A shares are outstanding in this Form 144?

The notice states that there are 36,017,721 shares of the issuer’s Class A common stock outstanding at the time of the filing.

How were the BKSY shares in this Form 144 acquired?

The 10,388 shares to be sold were acquired on 12/10/2025 through restricted share units vesting, described as equity compensation, with the payment date shown as 12/11/2025.

What prior BKSY stock sales by this person are reported?

The filing reports that Christiana Lin sold 24,036 shares of Class A common stock on 09/11/2025, generating $419,428.20 in gross proceeds over the past three months.

Which broker and exchange are involved in this BKSY Form 144 sale?

The planned sale will be executed through Morgan Stanley Smith Barney LLC Executive Financial Services on the New York Stock Exchange (NYSE).

What representation does the seller make in this BKSY Form 144?

By signing, the seller represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

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

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Accepted by SEC EDGAR 12/11/2025 - 09:23 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	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	703-935-1930
Name of Person for Whose Account the Securities are To Be Sold	Christiana Lin
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	10388	200176.8	36017721	12/12/2025	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 Commone Stock	12/10/2025	Restricted Share Units Vesting - See Remarks.	Issuer			10388	12/11/2025	Equity Compensation

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Christiana Lin 2411 Dulles Corner Park Suite 300 Herndon VA 20171	Class A Common Stock	09/11/2025	24036	419428.2

144: Remarks and Signature

Remarks	The reporting person sold the securities reported herein pursuant to an Issuer-implemented, non-discretionary sell-to-cover arrangement for the purposes of satisfying income tax liabilities incurred upon vesting of restricted share unit awards only, unless the reporting person elects to pay such tax liabilities in cash.
Date of Notice	12/11/2025
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/ Christiana Lin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)