X0508 4 2026-03-01 0 0001883685 DraftKings Inc. DKNG 0001810190 Kalish Matthew C/O DRAFTKINGS INC. 222 BERKELEY STREET, 5TH FLOOR BOSTON MA 02116 1 1 0 0 See Remarks 0 Class A Common Stock 2026-03-01 4 M 0 22059 A 5844359 D Class A Common Stock 2026-03-01 4 F 0 10666 23.84 D 5833693 D Class A Common Stock 2026-03-01 4 M 0 9649 A 5843342 D Class A Common Stock 2026-03-01 4 F 0 4666 23.84 D 5838676 D Class A Common Stock 2026-03-01 4 M 0 7950 A 5846626 D Class A Common Stock 2026-03-01 4 F 0 3844 23.84 D 5842782 D Class A Common Stock 196309 I Held by Kalish Family 2020 Irrevocable Trusts Class A Common Stock 2938 I Held by Matthew P. Kalish 2020 Trust Restricted Stock Units 2026-03-01 4 M 0 22059 0 D Class A Common Stock 22059 0 D Restricted Stock Units 2026-03-01 4 M 0 9649 0 D Class A Common Stock 9649 0 D Restricted Stock Units 2026-03-01 4 M 0 7950 0 D Class A Common Stock 7950 0 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 22,059 shares of Class A Common Stock underlying the RSUs listed in Table II, and 10,666 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 9,649 shares of Class A Common Stock underlying the RSUs listed in Table II, and 4,666 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 7,950 shares of Class A Common Stock underlying the RSUs listed in Table II, and 3,844 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 February 13, 2023, the Reporting Person was granted 352,941 RSUs vesting quarterly over four (4) years from March 1, 2023. On February 12, 2024, the Reporting Person was granted 154,392 RSUs vesting quarterly over four (4) years from March 1, 2024. On February 10, 2025, the Reporting Person was granted 127,211 RSUs vesting quarterly over four (4) years from March 1, 2025. President, DraftKings North America /s/ Faisal Hasan, attorney-in-fact 2026-03-03