Sec Form 4 Filing - Karros Kirt P @ Hewlett Packard Enterprise Co - 2026-06-20

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 Karros Kirt P 2. Issuer Name and Ticker or Trading Symbol Hewlett Packard Enterprise Co [ HPE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP, Treasurer, Corp Dev (Last) (First) (Middle) C/O HEWLETT PACKARD ENTERPRISE COMPANY, 1701 E MOSSY OAKS ROAD 3. Date of Earliest Transaction (MM/DD/YY) 06/20/2026 (Street) SPRING, TX77389 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 Common Stock 06/22/2026 S 18,785 D $ 48.5 0 D

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 Restricted Stock Units ( 1 ) 01/16/2026 A 364.4148 ( 2 ) ( 2 ) ( 2 ) Common Stock 364.4148 ( 2 ) 33,057.4148 D Restricted Stock Units ( 1 ) 01/16/2026 A 593.111 ( 3 ) ( 3 ) ( 3 ) Common Stock 593.111 ( 3 ) 52,391.111 D Restricted Stock Units ( 1 ) 01/16/2026 A 1,391.3392 ( 4 ) ( 4 ) ( 4 ) Common Stock 1,391.3392 ( 4 ) 120,488.8753 D Restricted Stock Units ( 1 ) 01/16/2026 A 984.7825 ( 5 ) ( 5 ) ( 5 ) Common Stock 984.7825 ( 5 ) 84,806.7825 D Restricted Stock Units ( 1 ) 06/20/2026 A 21,093 ( 6 ) ( 6 ) ( 6 ) Common Stock 21,093 ( 6 ) 21,093 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Karros Kirt P C/O HEWLETT PACKARD ENTERPRISE COMPANY 1701 E MOSSY OAKS ROAD SPRING, TX77389 SVP, Treasurer, Corp Dev Signatures Jonathan Sturz as Attorney-in-Fact for Kirt P. Karros 06/23/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock. ( 2 )As previously reported, on 12/07/23, the reporting person was granted 93,052 Restricted Stock Units ("RSUs"), 31,017 of which vested on 12/07/24, 31,017 of which vested on 12/07/25, and 31,018 of which will vest on 12/07/26. Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on Issuer's common stock. The number of derivative securities in column 5 reflects 206.1597 dividend equivalent rights at $21.44 per RSU credited to the reporting person's account on 01/16/26, and 158.2551 dividend equivalent rights at $27.93 per RSU credited to the reporting person's account on 04/23/26. ( 3 )As previously reported, on 12/09/24, the reporting person was granted 75,725 RSUs, 25,241 of which vested on 12/09/25, and 25,242 of which will vest on each of 12/09/26 and 12/09/27. The number of derivative securities in column 5 reflects 335.5396 dividend equivalent rights at $21.44 per RSU credited to the reporting person's account on 01/16/26, and 257.5714 dividend equivalent rights at $27.93 per RSU credited to the reporting person's account on 04/23/26. ( 4 )As previously reported, on 07/20/25, the reporting person was granted 118,427 RSUs, 39,475 of which will vest on 07/20/26, and 39,476 of which will vest on each of 07/20/27 and 07/20/28. The number of derivative securities in column 5 reflects 787.1198 dividend equivalent rights at $21.44 per RSU credited to the reporting person's account on 01/16/26, and 604.2194 dividend equivalent rights at $27.93 per RSU credited to the reporting person's account on 04/23/26. ( 5 )As previously reported, on 12/08/25, the reporting person was granted 83,822 RSUs, 27,940 of which will vest on 12/08/26, and 27,941 of which will vest on each of 12/08/27 and 12/08/28. Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on Issuer's common stock. The number of derivative securities in column 5 reflects 557.1192 dividend equivalent rights at $21.44 per RSU credited to the reporting person's account on 01/16/26, and 427.6633 dividend equivalent rights at $27.93 per RSU credited to the reporting person's account on 04/23/26. ( 6 )On 06/20/26, the reporting person was granted 21,093 RSUs, 7,031 of which will vest on each of 06/20/27, 06/20/28, and 06/20/29. Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on Issuer's common stock.

Remarks: The reported transaction occurred pursuant to a trading plan adopted on 03/23/26.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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