BlackSky (BKSY) Form 4: CFO Tax-Withholding Sale and Reporting Correction

Rhea-AI Filing Summary

BlackSky Technology Inc. (BKSY) Chief Financial Officer Henry Dubois reported a non-discretionary sale of 31,646 shares on 09/10/2025 to cover statutory tax withholding tied to vested Restricted Stock Units (RSUs). The shares were sold at a weighted-average price of $17.45. After the transaction, the filing reports 474,582 shares beneficially owned by the reporting person; the Form corrects an earlier reporting error from the Form 4 filed June 12, 2025 that misreported the post-transaction share total. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Dubois on 09/15/2025.

Positive

• Transaction disclosed as non-discretionary sale to cover tax withholding from vested RSUs, which clarifies motive for the sale
• Form corrects prior reporting error regarding shares beneficially owned, improving accuracy of insider holdings disclosure

Negative

• Prior Form 4 contained an incorrect beneficial ownership figure, indicating a reporting error that required amendment

Insights

Financial Analyst

TL;DR: Routine tax-withholding sale of RSUs by the CFO; transaction is non-discretionary and minimally material to shareholders.

The reported sale of 31,646 shares at a weighted-average price of $17.45 was executed to satisfy statutory tax withholding obligations upon RSU vesting, not as a discretionary cash-out. Such transactions are common for executives and typically do not signal a change in company outlook or insider sentiment. The filing also corrects a prior reporting error related to the number of shares beneficially owned, which should restore accuracy of insider holdings but does not change the nature of the underlying transaction.

Corporate Governance Expert

TL;DR: Disclosure aligns with standard insider reporting practices; correction improves reporting integrity.

The Form 4 appropriately discloses a share disposition tied to tax withholding for vested RSUs, classified with transaction code "S," and provides the weighted-average sale price. The amendment note acknowledging an earlier incorrect beneficial ownership figure indicates remediation of a reporting mistake; timely correction is important for compliance and investor transparency. No evidence in the filing suggests unusual governance concerns beyond the prior misreporting, which appears administrative.

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

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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)
09/10/2025

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	09/10/2025		S		31,646(1)	D	$17.45	474,582(2)	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.

2. The original Form 4, filed June 12, 2025, incorrectly reported the number of shares beneficially owned following the reported transaction.

Remarks:

	/s/ Christiana L. Lin, attorney-in-fact on behalf of Henry Dubois	09/15/2025
	** 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.

FAQ

What transaction did BKSY CFO Henry Dubois report on Form 4?

He reported the sale of 31,646 shares on 09/10/2025 to cover statutory tax withholding tied to vested RSUs.

At what price were the BKSY shares sold in the reported transaction?

Shares were sold at a weighted-average price of $17.45.

How many BKSY shares does the reporting person beneficially own after the transaction?

The filing reports 474,582 shares beneficially owned following the reported transaction.

Why was an amendment or correction noted in the Form 4 filing?

The original Form 4 filed on June 12, 2025 incorrectly reported the number of shares beneficially owned, and this filing corrects that error.

Who signed the Form 4 on behalf of Henry Dubois and when?

The Form 4 was signed by Christiana L. Lin, attorney-in-fact on 09/15/2025.