X0508 4 2026-03-10 0 0001753539 BlackSky Technology Inc. BKSY 0001443092 O'Toole Brian E C/O BLACKSKY TECHNOLOGY INC., 2411 DULLES CORNER PARK, SUITE 300 HERNDON VA 20171 1 1 0 0 CEO and President 0 Class A Common Stock 2026-03-11 4 F 0 24999 24 D 963522 D Class A Common Stock 2026-03-10 4 A 0 191666 0 A 1155188 D Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of vested restricted stock units (RSUs) and not a market transaction. 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 securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Class A Common Stock. The RSUs will vest as follows: one-fourth of the RSUs will vest on March 10, 2027, and thereafter, one-sixteenth of the total number of RSUs will vest quarterly on the 10th day of the third month of each quarter (March 10 June 10, September 10 and December 10), in each case subject to the Reporting Person continuing to be a service provider through the applicable vesting date. /s/ Christiana L. Lin, attorney-in-fact on behalf of Brian E. OToole 2026-03-12