144 0001824092 XXXXXXXX LIVE 0001883685 DraftKings Inc. 001-41379 222 BERKELEY STREET BOSTON MA 02116 (617) 986-6744 Bradbury Erik Officer Class A Common UBS Financial Services Inc.

11 Madison Avenue 4th Floor New York NY 10010

2883 70787.74 492991385 03/03/2026 NASDAQ Class A Common 03/02/2026 Vesting of Restricted Stock Units Issuer N 2883 03/02/2026 N/A N Erik Bradbury

222 BERKELEY STREET Boston MA 02116

Class A Common 02/19/2026 7268 163498.02 Seller represents that the sale reported in Table I of this Form 144 was made pursuant to a Rule 10b5-1 trading plan for selling shares of Issuer's Class A Common Stock. As listed in Table II of this Form 144, Seller further represents that the sale of 7,268 shares on February 19, 2026 was made pursuant to a Rule 10b5-1 trading plan for selling shares of Issuer's Class A Common Stock. 03/03/2026 11/10/2025 /s/ UBS Financial Services Inc, as attorney-in-fact for Erik Bradbury