BlackSky CFO sells 12,912 shares in tax withholding transaction

BlackSky Technology Inc.'s Chief Financial Officer, Henry Dubois, reported an automatic sale of Class A common stock tied to equity compensation.

Rhea-AI Filing Summary

BlackSky Technology Inc.'s Chief Financial Officer, Henry Dubois, reported an automatic sale of Class A common stock tied to equity compensation. On 12/12/2025, he sold 12,912 shares of BlackSky Class A common stock at a weighted-average price of $19.27 per share. According to the filing, these shares were sold solely to cover statutory tax withholding obligations resulting from the vesting of Restricted Stock Units, and are not described as a discretionary sale. After this transaction, Dubois beneficially owned 463,373 shares of BlackSky Class A common stock.

Insider Trade Summary

Net Seller: 12,912 shares

Net Sell 1 txn

Insider Dubois Henry Edward

Role Chief Financial Officer

Sold 12,912 shs ($249K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	12,912	$19.27	$249K

Holdings After Transaction: Class A Common Stock — 463,373 shares (Direct)

Footnotes (1)

1. F1. 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. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold.

FAQ

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

What insider transaction did BlackSky (BKSY) report for its CFO?

BlackSky reported that its Chief Financial Officer, Henry Dubois, sold 12,912 shares of Class A common stock on 12/12/2025. The filing states that this sale was made to satisfy statutory tax withholding obligations related to the vesting of Restricted Stock Units rather than as a discretionary sale.

At what price were the BlackSky (BKSY) shares sold by the CFO on 12/12/2025?

The Form 4 discloses that the 12,912 shares of BlackSky Class A common stock were sold at a weighted-average price of $19.27 per share. The amount and price reported are aggregate figures for the shares sold in the transaction.

How many BlackSky (BKSY) shares does the CFO own after the reported transaction?

Following the reported sale to cover tax withholding, Henry Dubois is shown as beneficially owning 463,373 shares of BlackSky Class A common stock. This reflects his holdings after the 12,912-share transaction on 12/12/2025.

Was the BlackSky (BKSY) CFO’s share sale a discretionary transaction?

The filing explains that the 12,912 shares were sold to cover statutory tax withholding obligations arising from the vesting of Restricted Stock Units. It specifically notes that the transaction does not represent a discretionary sale by the reporting person.

What type of security was involved in the BlackSky (BKSY) insider transaction?

The transaction involved Class A common stock of BlackSky Technology Inc. The sale was related to the vesting of Restricted Stock Units (RSUs), with shares sold to satisfy tax withholding requirements.

Who signed the BlackSky (BKSY) Form 4 reporting the CFO transaction?

The Form 4 was signed by Christiana L. Lin as attorney-in-fact on behalf of Henry Dubois on 12/12/2025, indicating that she had authority to sign for the reporting person.

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

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Accepted by SEC EDGAR 12/12/2025 - 04:06 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Dubois Henry Edward

(Last) (First) (Middle)

C/O BLACKSKY TECHNOLOGY INC.,

2411 DULLES CORNER PARK, SUITE 300

(Street)

HERNDON VA 20171

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BlackSky Technology Inc. [ BKSY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	12/12/2025		S		12,912(1)	D	$19.27	463,373	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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. The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold.

Remarks:

	/s/ Christiana L. Lin, attorney-in-fact on behalf of Henry Dubois	12/12/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.