X0609 4 2026-05-20 0 0001883685 DraftKings Inc. DKNG 0001824092 Bradbury Erik false C/O DRAFTKINGS INC. 222 BERKELEY STREET, 5TH FLOOR BOSTON MA 02116 0 1 0 0 Chief Accounting Officer 1 Class A Common Stock 2026-05-20 4 S 0 862 25.33 D 38168 D The reported sale was made pursuant to a pre-arranged program for selling shares of Class A Common Stock adopted on November 10, 2025 pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.26 to $25.38, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote 2 to this Form 4. Includes 862 shares of Class A Common Stock purchased through the Amended and Restated DraftKings Inc. Employee Stock Purchase Plan for the period ended May 19, 2026. /s/ Faisal Hasan, attorney-in-fact 2026-05-22