Sec Form 4 Filing - Karlborg Anders @ Vertiv Holdings Co - 2024-12-02

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 Karlborg Anders 2. Issuer Name and Ticker or Trading Symbol Vertiv Holdings Co [ VRT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP, Man., Logistics and Op Ex (Last) (First) (Middle) C/O VERTIV HOLDINGS CO, 505 N. CLEVELAND AVE 3. Date of Earliest Transaction (MM/DD/YY) 12/02/2024 (Street) WESTERVILLE, OH43082 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 12/02/2024 M 9,566 A $ 14.49 32,067.91 ( 1 ) D Class A Common Stock 12/02/2024 M 19,646 A $ 11.25 51,713.91 ( 1 ) D Class A Common Stock 12/02/2024 M 6,080 A $ 15.84 57,793.91 ( 1 ) D Class A Common Stock 12/02/2024 M 4,047 A $ 24.87 61,840.91 ( 1 ) D Class A Common Stock 12/02/2024 S 39,339 ( 2 ) D $ 128.98 22,501.91 ( 1 ) 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 Stock Options $ 14.49 12/02/2024 M 9,566 ( 3 ) 04/04/2032 Class A Common Stock 9,566 $ 0 9,567 D Stock Options $ 11.25 12/02/2024 M 19,646 ( 4 ) 10/03/2032 Class A Common Stock 19,646 $ 0 19,646 D Stock Options $ 15.84 12/02/2024 M 6,080 ( 5 ) 03/07/2033 Class A Common Stock 6,080 $ 0 18,240 D Stock Options $ 24.87 12/02/2024 M 4,047 ( 6 ) 07/03/2033 Class A Common Stock 4,047 $ 0 12,143 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Karlborg Anders C/O VERTIV HOLDINGS CO 505 N. CLEVELAND AVE WESTERVILLE, OH43082 EVP, Man., Logistics and Op Ex Signatures /s/ Robert M. Wolfe, as attorney-in-fact 12/04/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes shares, RSUs and DSUs. ( 2 )Represents the weighted average sale price. The trades were executed in a series of transactions with price ranges of $128.95 to $129.135. The reporting person undertakes to provide to Vertiv Holdings Co, any security holder of Vertiv Holdings Co, 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 ranges set forth in this footnote. ( 3 )4,783 stock options vested on each of March 3, 2023 and March 3, 2024, 4,783 stock options are scheduled to vest on March 3, 2025 and 4,784 stock options are scheduled to vest on March 3, 2026. ( 4 )9,823 stock options vested on each of October 3, 2023 and October 3, 2024, and 9,823 stock options are scheduled to vest on each of October 3, 2025 and October 3, 2026. ( 5 )6,080 stock options vested on March 15, 2024 and 6,080 stock options are scheduled to vest on each of March 15, 2025, March 15, 2026, and March 15, 2027. ( 6 )4,047 stock options vested on of July 15, 2024, 4.047 stock options are scheduled to vest on July 15, 2025 and 4,048 stock options are scheduled to vest on each of July 15, 2026 and July 15, 2027.

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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