Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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

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1. Name and Address of Reporting Person * DOKKUM JAN VAN 2. Issuer Name and Ticker or Trading Symbol Vertiv Holdings Co [VRT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O VERTIV HOLDINGS CO, 505 N. CLEVELAND AVE 3. Date of Earliest Transaction (Month/Day/Year) 02/26/2026 (Street) WESTERVILLE, OH 43082 4. If Amendment, Date Original Filed (Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 02/26/2026 M 38,647 A $20.56 63,647 D(1) Class A Common Stock 02/26/2026 S 22,989 D $254.49(2) 40,658 D(1) Class A Common Stock 02/26/2026 S 15,658 D $255.42(3) 25,000 D(1)

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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

$20.56

02/26/2026

M

38,647

(4)

02/04/2031

Class A Common Stock

38,647

$20.56

0

D

Stock Option

$11.5

(5)

03/03/2032

Class A Common Stock

38,647

38,647

D

Stock Option

$15.84

(6)

03/07/2033

Class A Common Stock

30,000

30,000

D

Stock Option

$72.09

(7)

03/07/2034

Class A Common Stock

15,000

15,000

D

Stock Option

$85.04

(8)

03/07/2035

Class A Common Stock

15,000

15,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DOKKUM JAN VAN C/O VERTIV HOLDINGS CO 505 N. CLEVELAND AVE WESTERVILLE, OH 43082	X

Signatures

/s/ Eric Boxterman, as attorney-in-fact		03/02/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Reported shares shown are held by Mr. Joseph van Dokkum and Mrs. Lynn van Dokkum, as tenants in common.
(2)	The trade was executed in a series of transactions with a price range of $254.00 to $254.99, inclusive, with a weighted average price of $254.49. 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 and in footnote 3.
(3)	The trade was executed in a series of transactions with a price range of $255.04 to $255.84, inclusive, with a weighted average price of $255.42.
(4)	Consists of 38,647 stock options granted on February 4, 2021, which vested as to 9,662 on each of February 4, 2022, February 4, 2023 and February 4, 2024, and as to 9,661 on February 4, 2025.
(5)	Consists of 38,647 stock options granted on March 3, 2022, which vested as to 9,661 on March 3, 2023 and as to 9,662 on each of March 3, 2024 and March 3, 2025, and which will vest as to 9,662 on March 3, 2026.
(6)	Consists of 30,000 stock options granted on March 7, 2023, which vested as to 7,500 on each of March 15, 2024 and March 15, 2025, and which will vest as to 7,500 on each of March 15, 2026 and March 15, 2027.
(7)	Consists of 15,000 stock options granted on March 7, 2024, which vested as to 3,750 on March 15, 2025, and which will vest as to 3,750 on each of March 15, 2026, March 15, 2027 and March 15, 2028.
(8)	Consists of 15,000 stock options granted on March 7, 2025, which will vest as to 3,750 on each of March 15, 2026, March 15, 2027, March 15, 2028 and March 15, 2029.

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