Henry Edward Dubois - 10 Jun 2026 Form 4 Insider Report for BlackSky Technology Inc. (BKSY)

Reporting relationship: Chief Financial Officer
Issuer ticker: BKSY
Reported as of: 10 Jun 2026
Net transaction value: -$502,941
SEC form: 4
Accepted by SEC: 12 Jun 2026, 16:04:01 UTC
Prior SEC filing: 12 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Christiana L. Lin, attorney-in-fact on behalf of Henry Dubois

Key filing fact

Henry Edward Dubois filed Form 4 for BlackSky Technology Inc. (BKSY) on 12 Jun 2026.

Key facts

This page summarizes Henry Edward Dubois's Form 4 filing for BlackSky Technology Inc. (BKSY).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 12 Jun 2026, 16:04.

Change

Previous filing in this sequence was filed on 12 Mar 2026.
Current net transaction value: -$502,941.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001349983 Primary reporting owner

Dubois Henry Edward

Relationship: Chief Financial Officer
Address: C/O BLACKSKY TECHNOLOGY INC.,, 2411 DULLES CORNER PARK, SUITE 300, HERNDON
Signature: /s/ Christiana L. Lin, attorney-in-fact on behalf of Henry Dubois
Signature date: 12 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BKSY transaction

Class A Common Stock

Sale

Transaction value: $502,941
Shares: -14,749
Change %: -2.9%
Price: $34.10
Shares after: 502,156
Date: 10 Jun 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BKSY holding Derivative

Options (Right To Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 189,598
Date: 10 Jun 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 189,598
Exercise price: $9.23
Footnotes: F3

BKSY holding Derivative

Options (Right To Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 36,778
Date: 10 Jun 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 36,778
Exercise price: $16.80
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote F2

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.

Footnote F3

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

Footnote F4

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.