BlackSky Technology Inc. — Director's Dealing 2025

Sep 11, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BlackSky Technology Inc. (BKSY)
CIK: 0001753539
Period of Report: 2025-09-11

Reporting Person: Porteous William D. (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-11	Class A Common Stock	A	8625	—	Acquired	73075	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	719881	Indirect

Footnotes

F1: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs are awarded in connection with the Company's Outside Director Compensation Policy and will vest in full upon the earlier of the one-year anniversary of the award date or the date of the Issuer's next annual meeting of the stockholders, in each case subject to the Reporting Person's continued service on the Issuer's board of directors through the applicable vesting date.

F2: 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.