[Form 4] BlackSky Technology Inc. Insider Trading Activity

Rhea-AI Filing Summary

Christiana L. Lin, General Counsel & CAO and director of BlackSky Technology Inc. (BKSY), reported a non-discretionary sale of 24,036 shares of Class A common stock on 09/10/2025 at a weighted-average price of $17.45 per share to satisfy statutory tax withholding obligations arising from the vesting of Restricted Stock Units (RSUs). After the withholding sale, the reporting person beneficially owned 402,652 shares. The Form 4 was signed on 09/15/2025. The filing explicitly states the sale was not a discretionary cash sale but executed solely to cover taxes.

Positive

• Clear disclosure of transaction date, amount, price, and explanatory remark stating the sale was to cover RSU tax withholding
• Continued significant ownership: reporting person still beneficially owns 402,652 shares after the transaction

Negative

• Reduction in beneficial ownership of 24,036 shares due to the withholding sale

Insights

Corporate Governance Expert

TL;DR: Routine withholding sale for RSU taxes; indicates standard equity compensation mechanics and compliance with Section 16 reporting.

The transaction is described as a sale to cover statutory tax withholding from RSU vesting rather than a voluntary disposition. That distinction is important for governance reviewers because it signals compensation settlement activity, not an insider-driven liquidity event. The reporting person remains a significant beneficial owner with 402,652 shares after the transaction. Documentation on Form 4 appears complete with transaction date, aggregate price, and explanation, supporting transparent disclosure practices.

Securities Analyst

TL;DR: Non-discretionary sale of 24,036 shares at $17.45 reduces insider stake modestly; not likely material by itself.

The sale was executed to satisfy tax withholding from RSU vesting, with a reported weighted-average price of $17.45 and a post-transaction beneficial ownership of 402,652 shares. For investors assessing insider activity, this is a routine compensation-related transaction rather than an indicator of changed insider sentiment. The filing includes a signature and the required explanatory remark, meeting standard Section 16 reporting requirements.

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
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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^*

Lin Christiana L

(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)
	General Counsel & CAO

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		24,036(1)	D	$17.45	402,652	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	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 Christiana L. Lin report on Form 4 for BKSY?

She reported a sale of 24,036 Class A shares on 09/10/2025 at a weighted-average price of $17.45 per share.

Why were the 24,036 BKSY shares sold according to the Form 4?

The shares were sold to cover statutory tax withholding obligations arising from the vesting of Restricted Stock Units (RSUs); the filing states it was not a discretionary sale.

How many BKSY shares does Christiana L. Lin beneficially own after the reported transaction?

402,652 shares of Class A common stock are reported as beneficially owned following the transaction.

When was the Form 4 for this transaction signed?

The Form 4 was signed on 09/15/2025 by Christiana L. Lin.

What role does the reporting person hold at BlackSky (BKSY)?

Christiana L. Lin is General Counsel & CAO and a director of BlackSky Technology Inc., as stated on the filing.