BlackSky (NYSE: BKSY) CFO disposes shares to cover RSU tax withholding

Rhea-AI Filing Summary

BlackSky Technology Inc. Chief Financial Officer Henry Edward Dubois reported an automatic share disposition linked to equity compensation. On the Form 4, 14,749 shares of Class A Common Stock were sold at a weighted-average price of $34.10 per share to cover statutory tax withholding obligations arising from the vesting of Restricted Stock Units, and the filing states this was not a discretionary sale.

After this tax-related sale, Dubois directly holds 502,156 shares of Class A Common Stock. He also holds stock options covering 36,778 underlying shares at an exercise price of $16.80 per share expiring on June 10, 2032, and options covering 189,598 underlying shares at an exercise price of $9.23 per share expiring on March 10, 2035, subject to time-based vesting schedules under BlackSky’s equity incentive plans.

Insights

Insider transactions analyst

Filing shows routine tax-withholding sale and substantial remaining holdings.

The Form 4 for BlackSky Technology Inc. reports CFO Henry Edward Dubois disposing of 14,749 shares of Class A Common Stock at a weighted-average price of $34.10. A footnote explains these shares were sold solely to satisfy statutory tax withholding on RSU vesting, not as a discretionary open-market sale.

Following this event, Dubois still directly holds 502,156 common shares, plus options over 36,778 shares at $16.80 expiring on June 10, 2032 and 189,598 shares at $9.23 expiring on March 10, 2035. This combination of a tax-driven sale and large remaining equity position is typically viewed as an administrative compensation event rather than a signal about his view of the stock.

Insider Trade Summary

Net Seller: 14,749 shares ($502,941)

Net Sell 3 txns

Insider Dubois Henry Edward

Role Chief Financial Officer

Sold 14,749 shs ($503K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	14,749	$34.10	$503K
holding	Options (Right To Buy)	--	--	--
holding	Options (Right To Buy)	--	--	--

Holdings After Transaction: Class A Common Stock — 502,156 shares (Direct, null); Options (Right To Buy) — 189,598 shares (Direct, null)

Footnotes (1)

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. Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU. This holding report is reflected solely to clarify the vesting schedule set forth in the Form 4 filed on March 12, 2025. Each Option represents a right to purchase the underlying securities of the Issuer reported in Table II. The options are granted pursuant to the BlackSky Technology Inc. 2021 Equity Incentive Plan. The number of options and exercise price for the options was calculated based on the closing price of a share of BlackSky Technology Inc.'s Class A Common Stock on the New York Stock Exchange on March 10, 2025. One third (1/3rd) of the award vests on March 10, 2026, and thereafter, one thirty-sixth (1/36th) of the award vests or is scheduled to vest monthly on the 10th day of each month, subject to the Reporting Person continuing to be a service provider through the applicable vesting date This holding report is reflected solely to clarify the expiration date set forth in the Form 4 filed on June 15, 2022. Each Option represents the right to purchase the underlying securities of the Issuer reported in Table II. The options are granted pursuant to the BlackSky Technology Inc. Equity Incentive Plan. The shares subject to the Option will vest as follows: 25% of the shares subject to the Option will vest on June 10, 2023, and then 1/48th of the shares subject to the Option vest on a monthly basis thereafter, subject to the Reporting Person's continued service to the Issuer through such date. The exercise price and number of shares have been updated to reflect the reverse stock split that occurred on September 4, 2024.

Key Figures

Tax-withholding shares sold: 14,749 shares at $34.10 Common shares held after transaction: 502,156 shares Option strike price 2032 grant: $16.80 per share +3 more

6 metrics

Tax-withholding shares sold 14,749 shares at $34.10 Disposition to cover statutory tax withholding on RSU vesting

Common shares held after transaction 502,156 shares Direct Class A Common Stock holdings post-transaction

Option strike price 2032 grant $16.80 per share Options expiring June 10, 2032 on 36,778 underlying shares

Underlying shares 2032 options 36,778 shares Options (Right To Buy) for Class A Common Stock

Option strike price 2035 grant $9.23 per share Options expiring March 10, 2035 on 189,598 underlying shares

Underlying shares 2035 options 189,598 shares Options (Right To Buy) for Class A Common Stock

Key Terms

Restricted Stock Units (RSUs), statutory tax withholding obligations, Equity Incentive Plan, vesting schedule, +1 more

5 terms

Restricted Stock Units (RSUs) financial

"Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock..."

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

statutory tax withholding obligations financial

"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units..."

Equity Incentive Plan financial

"The options are granted pursuant to the BlackSky Technology Inc. 2021 Equity Incentive Plan."

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

vesting schedule financial

"One third (1/3rd) of the award vests on March 10, 2026, and thereafter, one thirty-sixth (1/36th) of the award vests..."

A vesting schedule is a timeline that determines when someone gains full ownership of certain benefits, such as company stock or retirement contributions. Think of it like earning the right to own a gift gradually over time, rather than receiving it all at once. It matters to investors because it affects when they can fully access or sell these benefits, influencing their financial planning and decision-making.

reverse stock split financial

"The exercise price and number of shares have been updated to reflect the reverse stock split that occurred on September 4, 2024."

A reverse stock split is when a company reduces the number of its shares outstanding, making each share more valuable. For example, if you own 100 shares worth $1 each, a 1-for-10 reverse split would turn your 100 shares into 10 shares worth $10 each. Companies often do this to boost their stock price and appear more stable to investors.

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Form 4 Insider Transactions: What Each Field Means →

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 VIRGINIA 20171

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/10/2026

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

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

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

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	06/10/2026		S		14,749(1)	D	$34.1	502,156(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
Options (Right To Buy)	$9.23							(3)	03/10/2035	Class A Common Stock	189,598		189,598	D
Options (Right To Buy)	$16.8							(4)	06/10/2032	Class A Common Stock	36,778		36,778	D

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. Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

3. This holding report is reflected solely to clarify the vesting schedule set forth in the Form 4 filed on March 12, 2025. Each Option represents a right to purchase the underlying securities of the Issuer reported in Table II. The options are granted pursuant to the BlackSky Technology Inc. 2021 Equity Incentive Plan. The number of options and exercise price for the options was calculated based on the closing price of a share of BlackSky Technology Inc.'s Class A Common Stock on the New York Stock Exchange on March 10, 2025. One third (1/3rd) of the award vests on March 10, 2026, and thereafter, one thirty-sixth (1/36th) of the award vests or is scheduled to vest monthly on the 10th day of each month, subject to the Reporting Person continuing to be a service provider through the applicable vesting date

4. This holding report is reflected solely to clarify the expiration date set forth in the Form 4 filed on June 15, 2022. Each Option represents the right to purchase the underlying securities of the Issuer reported in Table II. The options are granted pursuant to the BlackSky Technology Inc. Equity Incentive Plan. The shares subject to the Option will vest as follows: 25% of the shares subject to the Option will vest on June 10, 2023, and then 1/48th of the shares subject to the Option vest on a monthly basis thereafter, subject to the Reporting Person's continued service to the Issuer through such date. The exercise price and number of shares have been updated to reflect the reverse stock split that occurred on September 4, 2024.

Remarks:

	/s/ Christiana L. Lin, attorney-in-fact on behalf of Henry Dubois	06/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

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

BlackSky reported that CFO Henry Edward Dubois disposed of 14,749 shares of Class A Common Stock at a weighted-average price of $34.10 per share. A footnote explains the sale was to cover statutory tax withholding on RSU vesting, not a discretionary open-market sale.

How many BlackSky (BKSY) shares does the CFO hold after this Form 4?

After the tax-related share sale, CFO Henry Edward Dubois directly holds 502,156 shares of BlackSky Class A Common Stock. This post-transaction balance reflects his remaining equity stake following the RSU vesting and related withholding sale disclosed in the Form 4 filing.

Were the BlackSky (BKSY) shares sold by the CFO part of a tax withholding event?

Yes. The Form 4 footnote states the 14,749 shares were sold to satisfy statutory tax withholding obligations tied to the vesting of Restricted Stock Units. The filing specifies this does not represent a discretionary sale by CFO Henry Edward Dubois in the open market.

What stock options does the BlackSky (BKSY) CFO hold according to this Form 4?

The filing shows options over 36,778 underlying shares at an exercise price of $16.80 expiring June 10, 2032, and options over 189,598 underlying shares at an exercise price of $9.23 expiring March 10, 2035, subject to time-based vesting.

What do the RSU-related footnotes in the BlackSky (BKSY) Form 4 explain?

One footnote explains certain securities are Restricted Stock Units (RSUs), each representing a contingent right to one Class A share, subject to vesting. Another clarifies that the reported sale covered statutory tax withholding for RSU vesting and was not a discretionary trade by the CFO.

How are the BlackSky (BKSY) CFO’s option grants scheduled to vest?

The Form 4 footnotes describe time-based vesting. One option grant vests one-third on March 10, 2026, then one-thirty-sixth monthly thereafter. Another option vests 25% on June 10, 2023, then one-forty-eighth monthly, subject to continued service with BlackSky.