BlackSky (BKSY) director receives 894 shares instead of cash fees

Q: What are the indirect BlackSky (BKSY) holdings related to William D. Porteous?

An additional 719,881 BlackSky Class A shares are held by RRE Ventures IV, L.P. The general partner and its managing members, including Porteous, disclaim beneficial ownership of these securities except to the extent of any pecuniary interest they may have.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Porteous William D. reported acquisition or exercise transactions in this Form 4 filing.

BlackSky Technology Inc. director William D. Porteous received a grant of 894 shares of Class A Common Stock as compensation for serving as an outside director for the quarter ended March 31, 2026. He elected to take this quarter’s cash compensation in stock, with the share amount based on the March 31, 2026 closing price.

After this grant, he holds 77,785 Class A shares directly. Separately, 719,881 shares are held indirectly through RRE Ventures IV, L.P., where an affiliated general partner and its managing members, including Porteous, disclaim beneficial ownership except to the extent of any pecuniary interest.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Porteous William D.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	894	$0.00	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 77,785 shares (Direct); Class A Common Stock — 719,881 shares (Indirect, See footnote)

Footnotes (1)

These shares represent the Class A Common Stock that the Reporting Person elected to receive in lieu of cash compensation under the Issuer's Outside Director Compensation Policy for the quarter ended March 31, 2026. The number of shares awarded in lieu of cash was calculated based on the closing price of a share of Class A Common Stock on March 31, 2026. 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. These shares are held by RRE Ventures IV, L.P. ("Ventures IV"). The general partner of Ventures IV is RRE Ventures GP VI, LLC ("GP VI"). The managing members and officers of GP VI are James D. Robinson IV, Stuart J. Ellman, and William D. Porteous. Each of GP VI and Messrs. Robinson IV, Ellman, and Porteous disclaim beneficial ownership of the securities reported on this Form 4, except to the extent of its or his pecuniary interest therein, if any.

Key Figures

Stock grant: 894 shares Direct holdings after grant: 77,785 shares Indirect holdings: 719,881 shares

3 metrics

Stock grant 894 shares Quarter ended March 31, 2026 director fees taken in stock

Direct holdings after grant 77,785 shares Class A Common Stock held directly by William D. Porteous

Indirect holdings 719,881 shares Class A Common Stock held by RRE Ventures IV, L.P., with beneficial ownership disclaimed except for pecuniary interest

Key Terms

Outside Director Compensation Policy, RSUs, pecuniary interest

3 terms

Outside Director Compensation Policy financial

"under the Issuer's Outside Director Compensation Policy for the quarter ended March 31, 2026"

RSUs financial

"Certain of these securities are RSUs. Each RSU represents a contingent right"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

pecuniary interest financial

"disclaim beneficial ownership of the securities... except to the extent of its or his pecuniary interest therein"

Form 4 Insider Transactions: What Each Field Means →

04/01/2026 - 04:08 PM

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^*

Porteous William D.

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	03/31/2026		A		894⁽¹⁾	A	$0	77,785⁽²⁾	D
Class A Common Stock								719,881	I	See footnote⁽³⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. These shares represent the Class A Common Stock that the Reporting Person elected to receive in lieu of cash compensation under the Issuer's Outside Director Compensation Policy for the quarter ended March 31, 2026. The number of shares awarded in lieu of cash was calculated based on the closing price of a share of Class A Common Stock on March 31, 2026.

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. These shares are held by RRE Ventures IV, L.P. ("Ventures IV"). The general partner of Ventures IV is RRE Ventures GP VI, LLC ("GP VI"). The managing members and officers of GP VI are James D. Robinson IV, Stuart J. Ellman, and William D. Porteous. Each of GP VI and Messrs. Robinson IV, Ellman, and Porteous disclaim beneficial ownership of the securities reported on this Form 4, except to the extent of its or his pecuniary interest therein, if any.

Remarks:

	/s/ Christiana L. Lin, attorney-in-fact on behalf of William D. Porteous	04/01/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did BlackSky (BKSY) director William D. Porteous report on this Form 4?

He reported receiving 894 shares of Class A Common Stock as compensation for serving as an outside director for the quarter ended March 31, 2026. This was taken in stock instead of cash under the company’s Outside Director Compensation Policy.

How many BlackSky (BKSY) shares does William D. Porteous hold directly after this grant?

Following the grant, he directly holds 77,785 shares of BlackSky Class A Common Stock. This reflects his updated direct ownership position after receiving 894 shares in lieu of quarterly cash compensation under the Outside Director Compensation Policy.

Why did William D. Porteous receive 894 BlackSky (BKSY) shares for the quarter?

The 894 shares represent director fees that he chose to receive in stock instead of cash for the quarter ended March 31, 2026. The number of shares was calculated using the closing price of BlackSky Class A stock on March 31, 2026.

Does this BlackSky (BKSY) Form 4 involve RSUs?

The filing notes that certain reported securities are RSUs, with each RSU representing a contingent right to receive one share of Class A Common Stock, subject to vesting schedules and conditions. These RSUs are part of the overall equity-based compensation structure for the reporting person.

How was the number of BlackSky (BKSY) shares granted to Porteous determined?

The 894-share grant was calculated using the closing market price of BlackSky Class A Common Stock on March 31, 2026. This price was applied to convert the quarter’s cash director compensation into an equivalent number of shares under the Outside Director Compensation Policy.