Sec Form 4 Filing - Park Jason @ DraftKings Inc. - 2022-06-10

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Park Jason 2. Issuer Name and Ticker or Trading Symbol DraftKings Inc. [ DKNG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O DRAFTKINGS INC., 222 BERKELEY STREET, 5TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 06/10/2022 (Street) BOSTON, MA02116 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 06/10/2022 M( 1 ) 33,664 A $ 4.7 383,592 D Class A Common Stock 06/10/2022 M( 1 ) 15,638 A $ 4.7 399,230 D Class A Common Stock 29,174 I Held by Park Family 2021 Grantor Retained Annuity Trust Class A Common Stock 100,000 I Held by Park Family 2021 GRAT II Class A Common Stock 100,000 I Held by Park Family 2021 Grantor Retained Annuity Trust III Class A Common Stock 70,826 I Held by Park Family 2021 Grantor Retained Annuity Trust IV

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option $ 4.7 06/10/2022 M( 1 ) 33,664( 2 ) ( 3 ) 06/04/2029 Class A Common Stock 33,664 $ 0 475,475 D Stock Option $ 4.7 06/10/2022 M( 1 ) 15,638( 2 ) ( 4 ) 06/04/2029 Class A Common Stock 15,638 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Park Jason C/O DRAFTKINGS INC. 222 BERKELEY STREET, 5TH FLOOR BOSTON, MA02116 Chief Financial Officer Signatures /s/ Faisal Hasan, attorney-in-fact 06/14/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These options originate from the Agreement and Plan of Merger, dated August 9, 2021, and in consummation of the relevant merger, each outstanding stock option to purchase DraftKings Inc. (now known as DraftKings Holdings Inc.) Class A Common Stock was converted into an equivalent stock option to purchase New Duke Holdco, Inc. (now known as DraftKings Inc.) Class A Common Stock. ( 2 )Represents the acquisition of Class A Common Stock that resulted from the exercise of stock options. ( 3 )These stock options were granted on June 4, 2019. As of the date hereof, 342,867 of such stock options have vested. The remaining stock options will vest in four (4) equal quarterly installments beginning September 4, 2022. ( 4 )These stock options are vested and exercisable as of the date hereof.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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