X0609 4 2026-06-01 0 0001883685 DraftKings Inc. DKNG 0002019299 Ellingson Alan Wayne false C/O DRAFTKINGS INC. 222 BERKELEY STREET, 5TH FLOOR BOSTON MA 02116 0 1 0 0 Chief Financial Officer 0 Class A Common Stock 2026-06-01 4 M 0 2140 A 164414 D Class A Common Stock 2026-06-01 4 F 0 1003 26.33 D 163411 D Class A Common Stock 2026-06-01 4 M 0 742 A 164153 D Class A Common Stock 2026-06-01 4 F 0 359 26.33 D 163794 D Class A Common Stock 2026-06-01 4 M 0 5301 A 169095 D Class A Common Stock 2026-06-01 4 F 0 2564 26.33 D 166531 D Class A Common Stock 2026-06-01 4 M 0 19920 A 186451 D Class A Common Stock 2026-06-01 4 F 0 9632 26.33 D 176819 D Restricted Stock Units 2026-06-01 4 M 0 2140 0 D Class A Common Stock 2140 6421 D Restricted Stock Units 2026-06-01 4 M 0 742 0 D Class A Common Stock 742 5192 D Restricted Stock Units 2026-06-01 4 M 0 5301 0 D Class A Common Stock 5301 58305 D Restricted Stock Units 2026-06-01 4 M 0 19920 0 D Class A Common Stock 19920 298805 D No shares of Class A Common Stock were transferred or sold upon the vesting of the restricted stock units ("RSUs") other than to the Issuer to satisfy withholding taxes. The Reporting Person received the net of the 2,140 shares of Class A Common Stock underlying the RSUs listed in Table II, and 1,003 shares of Class A Common Stock withheld by the Issuer. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. No shares of Class A Common Stock were transferred or sold upon the vesting of the RSUs other than to the Issuer to satisfy withholding taxes. The Reporting Person received the net of the 742 shares of Class A Common Stock underlying the RSUs listed in Table II, and 359 shares of Class A Common Stock withheld by the Issuer. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. No shares of Class A Common Stock were transferred or sold upon the vesting of the RSUs other than to the Issuer to satisfy withholding taxes. The Reporting Person received the net of the 5,301 shares of Class A Common Stock underlying the RSUs listed in Table II, and 2,564 shares of Class A Common Stock withheld by the Issuer. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. No shares of Class A Common Stock were transferred or sold upon the vesting of the RSUs other than to the Issuer to satisfy withholding taxes. The Reporting Person received the net of the 19,920 shares of Class A Common Stock underlying the RSUs listed in Table II, and 9,632 shares of Class A Common Stock withheld by the Issuer. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. On March 1, 2023, the Reporting Person was granted 34,245 RSUs vesting quarterly over four (4) years from March 1, 2023. On February 16, 2024, the Reporting Person was granted 11,868 RSUs vesting quarterly over four (4) years from March 1, 2024. On February 10, 2025, the Reporting Person was granted 84,807 RSUs vesting quarterly over four (4) years from March 1, 2025. On February 17, 2026, the Reporting Person was granted 318,725 RSUs vesting quarterly over four (4) years from March 1, 2026. /s/ Faisal Hasan, attorney-in-fact 2026-06-02