X0708 D LIVE 0001883685 DraftKings Inc. 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 (617) 986-6744 NEVADA New Duke Holdco, Inc. Corporation true 2022 Jason D Robins 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Executive Officer Director Matthew Kalish 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Executive Officer Director Paul Liberman 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Executive Officer Director Robert Stanton Dodge 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Executive Officer Alan Wayne Ellingson 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Executive Officer Harry Evans Sloan 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Woodrow H Levin 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Jocelyn Moore 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Ryan R Moore 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Valerie Mosley 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Steven J Murray 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Marni M Walden 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Erik Bradbury 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Executive Officer Gregory W Wendt 222 Berkeley Street 5th Floor Boston MA MASSACHUSETTS 02116 Director Other Technology Over $100,000,000 06b false 2025-10-21 false true true The shares issued in this offering are in connection with DraftKings Inc.'s acquisition of Railbird Technologies Inc. 0 228700000 228700000 0 Shares are being issued as (i) upfront consideration and (ii) a contingent earnout, with the value reflecting a good-faith estimate assuming full achievement of the earnout paid in shares, though a portion may be paid in cash at the issuer's option. false 86 0 0 0 false DraftKings Inc. /s/ Alan Ellingson Alan Ellingson Chief Financial Officer 2025-11-05