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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(Print or Type Responses)

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 (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 4,783 A $14.49 39,529.22 D Class A Common Stock 02/26/2026 M 9,823 A $11.25 49,352.22 D Class A Common Stock 02/26/2026 M 6,080 A $15.84 55,432.22 D Class A Common Stock 02/26/2026 M 4,047 A $24.87 59,479.22 D Class A Common Stock 02/26/2026 M 5,754 A $72.09 65,233.22 D Class A Common Stock 02/26/2026 S 10,290 D $245.17(1) 54,943.22 D Class A Common Stock 02/26/2026 S 7,500 D $246.54(2) 47,443.22 D Class A Common Stock 02/26/2026 S 3,350 D $247.66(3) 44,083.22 D Class A Common Stock 02/26/2026 S 9,347 D $248.89(4) 34,746.22(5) D Class A Common Stock 65.75(6) I By 401(k) plan

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

$14.49

02/26/2026

M

4,783

(7)

04/04/2032

Class A Common Stock

4,783

(7)

4,784

D

Stock Option

$11.25

02/26/2026

M

9,823

(8)

10/03/2032

Class A Common Stock

9,823

(8)

9,823

D

Stock Option

$15.84

02/26/2026

M

6,080

(9)

03/07/2033

Class A Common Stock

6,080

(9)

12,160

D

Stock Option

$24.87

02/26/2026

M

4,047

(10)

07/03/2033

Class A Common Stock

4,047

(10)

8,096

D

Stock Option

$72.09

02/26/2026

M

5,754

(11)

03/07/2034

Class A Common Stock

5,754

(11)

17,263

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, OH 43082			EVP, Man., Logistics and Op Ex

Signatures

/s/ Robert M. Wolfe, 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)	The trade was executed in a series of transactions with a price range of $245.00 to $245.91, inclusive, with a weighted average price of $245.17. 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 footnotes 2 through 4, inclusive.
(2)	The trade was executed in a series of transactions with a price range of $246.35 to $246.94, inclusive, with a weighted average price of $246.54.
(3)	The trade was executed in a series of transactions with a price range of $247.43 to $248.20, inclusive, with a weighted average price of $247.66.
(4)	The trade was executed in a series of transactions with a price range of $248.54 to $249.10, inclusive, with a weighted average price of $248.89.
(5)	Includes shares, RSUs and dividend-equivalent stock units ("DSUs").
(6)	Reflects shares acquired under the Company's 401(k) plan in transactions exempt from reporting requirements.
(7)	Consists of 9,567 stock options granted on April 4, 2022, which vested as to 4,783 on March 3, 2025, and which will vest as to 4,784 on March 3, 2026.
(8)	Consists of 19,646 stock options granted on October 3, 2022, which vested as to 9,823 on October 3, 2025, and which will vest as to 9,823 on October 3, 2026.
(9)	Consists of 18,240 stock options granted on March 7, 2023, which vested as to 6,080 on March 15, 2025, and which will vest as to 6,080 on each of March 15, 2026 and March 15, 2027.
(10)	Consists of 12,143 stock options granted on July 3, 2023, which vested as to 4,047 on July 15, 2025, and which will vest as to 4,048 on each of July 15, 2026 and July 15, 2027.
(11)	Consists of 23,017 stock options granted on March 7, 2024, which vested as to 5,754 on March 15, 2025, and which will vest as to 5,754 on each of March 15, 2026 and March 15, 2027, and as to 5,755 on March 15, 2028.

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