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  4. [Form 4] Vertiv Holdings Co Insider Trading Activity

Vertiv director sells 15,287 shares after option

Vertiv director Edward L. Monser exercised options and sold 15,287 VRT shares on September 1, 2026 under a previously adopted Rule 10b5-1 trading plan.

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Vertiv Holdings Co (VRT) director Edward L. Monser reported exercising 15,287 stock options for Class A common stock on September 1, 2026 at an exercise price of $11.50 per share. He then sold 15,287 shares of Class A common stock the same day in multiple open-market transactions under a Rule 10b5-1 trading plan adopted on May 22, 2026, at weighted-average prices reflecting ranges from approximately $248.94 to $256.72 per share. The option award was fully vested at the time of exercise, and 918 shares are reported as held indirectly through his spouse.

Positive

  • None.

Negative

  • None.
Insider MONSER EDWARD L
Role Director
Sold 15,287 shs ($3.88M)
Approx. gross sale proceeds $3.88M
Approx. exercise cost $176K
Approx. pre-tax spread $3.70M
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) F11 15,287 $0.00 $0.00
Exercise Class A Common Stock 15,287 $11.50 $176K
Sale Class A Common Stock F1, F2 880 $249.4284 $219K
Sale Class A Common Stock F1, F3 1,040 $250.5797 $261K
Sale Class A Common Stock F1, F4 1,440 $251.5618 $362K
Sale Class A Common Stock F1, F5 2,280 $252.5283 $576K
Sale Class A Common Stock F1, F6 1,000 $253.3695 $253K
Sale Class A Common Stock F1, F7 3,040 $254.6258 $774K
Sale Class A Common Stock F1, F8 3,520 $255.5791 $900K
Sale Class A Common Stock F1, F9 2,087 $256.3607 $535K
holding Class A Common Stock F10 -- -- --
Holdings After Transaction: Stock Option (Right to Buy) — 0 contracts (Direct); Class A Common Stock — 16,500 shares (Direct); Class A Common Stock — 918 shares (Indirect, See Footnote)
Footnotes (11)
  1. F1. These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 22, 2026.
  2. F2. These shares were sold in multiple transactions ranging from $248.9400 to $249.8800. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote and in footnotes 2 through 9, inclusive.
  3. F3. These shares were sold in multiple transactions ranging from $250.0200 to $251.0150.
  4. F4. These shares were sold in multiple transactions ranging from $251.0500 to $252.0300.
  5. F5. These shares were sold in multiple transactions ranging from $252.0500 to $253.0400.
  6. F6. These shares were sold in multiple transactions ranging from $253.0600 to $253.8400.
  7. F7. These shares were sold in multiple transactions ranging from $254.0800 to $255.0700.
  8. F8. These shares were sold in multiple transactions ranging from $255.0800 to $256.0700.
  9. F9. These shares were sold in multiple transactions ranging from $256.0800 to $256.7200.
  10. F10. Reflects securities held directly by the Reporting Person's spouse.
  11. F11. The stock options were fully vested as of the date of the transactions reported herein.
Options exercised 15,287 shares Stock options exercised for Vertiv Class A common stock on September 1, 2026
Option exercise price $11.50 per share Exercise price of stock options converted into 15,287 shares
Shares sold 15,287 shares Total Vertiv Class A common shares sold in open-market transactions on September 1, 2026
Sale price range (low) $248.94 per share Lowest price range reported for sales in the multiple transactions footnotes
Sale price range (high) $256.72 per share Highest price range reported for sales in the multiple transactions footnotes
Indirect holdings 918 shares Class A common stock held indirectly through the reporting person’s spouse
Options remaining after transaction 0 options Reported total shares following transaction for the exercised option award
Rule 10b5-1 trading plan regulatory
"transactions were automatically effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Stock Option (Right to Buy) financial
"security title is listed as Stock Option (Right to Buy)"
indirect ownership financial
"Reflects securities held directly by the Reporting Person's spouse"
open market or private transaction financial
"Sale in open market or private transaction"

FAQ

What did Vertiv (VRT) director Edward L. Monser report in this Form 4?
He exercised 15,287 stock options for Vertiv Class A common stock at $11.50 per share and on the same day sold 15,287 shares in multiple open-market transactions under a previously adopted Rule 10b5-1 trading plan.

How many Vertiv (VRT) options did Edward L. Monser exercise and at what price?
He exercised 15,287 stock options for Vertiv Class A common stock with an exercise price of $11.50 per share. The filing states that these stock options were fully vested as of the transaction date.

How many Vertiv (VRT) shares did Edward L. Monser sell and at what prices?
He sold 15,287 shares of Vertiv Class A common stock in multiple open-market transactions on September 1, 2026, at prices reflecting ranges from approximately $248.94 to $256.72 per share, as detailed across several price-range footnotes.

Was Edward L. Monser’s sale of Vertiv (VRT) shares made under a Rule 10b5-1 plan?
Yes. The filing states the transactions were automatically effected pursuant to a Rule 10b5-1 trading plan that Edward L. Monser previously adopted on May 22, 2026, and the Form 4’s Rule 10b5-1 checkbox is marked.

Does Edward L. Monser still have any indirect holdings of Vertiv (VRT) stock?
Yes. The Form 4 reports 918 shares of Vertiv Class A common stock held indirectly, described in a footnote as securities held directly by the reporting person’s spouse.

What happened to Edward L. Monser’s Vertiv stock options in this Form 4?
He exercised stock options covering 15,287 shares of Class A common stock at an exercise price of $11.50 per share, and the option position is shown with 0 options remaining after the transaction for that award.

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SEC Form 4
FORM 4UNITED 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
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
MONSER EDWARD L
(Last)(First)(Middle)
C/O VERTIV HOLDINGS CO
505 N. CLEVELAND AVE
(Street)
WESTERVILLE OHIO 43082
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Vertiv Holdings Co [ VRT ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Class A Common Stock09/01/2026M15,287A$11.531,787D
Class A Common Stock09/01/2026S(1)880D$249.4284(2)30,907D
Class A Common Stock09/01/2026S(1)1,040D$250.5797(3)29,867D
Class A Common Stock09/01/2026S(1)1,440D$251.5618(4)28,427D
Class A Common Stock09/01/2026S(1)2,280D$252.5283(5)26,147D
Class A Common Stock09/01/2026S(1)1,000D$253.3695(6)25,147D
Class A Common Stock09/01/2026S(1)3,040D$254.6258(7)22,107D
Class A Common Stock09/01/2026S(1)3,520D$255.5791(8)18,587D
Class A Common Stock09/01/2026S(1)2,087D$256.3607(9)16,500D
Class A Common Stock918ISee Footnote(10)
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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$11.509/01/2026M15,287 (11)03/03/2032Class A common stock15,287$00D
Explanation of Responses:
1. These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on May 22, 2026.
2. These shares were sold in multiple transactions ranging from $248.9400 to $249.8800. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote and in footnotes 2 through 9, inclusive.
3. These shares were sold in multiple transactions ranging from $250.0200 to $251.0150.
4. These shares were sold in multiple transactions ranging from $251.0500 to $252.0300.
5. These shares were sold in multiple transactions ranging from $252.0500 to $253.0400.
6. These shares were sold in multiple transactions ranging from $253.0600 to $253.8400.
7. These shares were sold in multiple transactions ranging from $254.0800 to $255.0700.
8. These shares were sold in multiple transactions ranging from $255.0800 to $256.0700.
9. These shares were sold in multiple transactions ranging from $256.0800 to $256.7200.
10. Reflects securities held directly by the Reporting Person's spouse.
11. The stock options were fully vested as of the date of the transactions reported herein.
/s/ Eric Boxterman, as attorney-in-fact09/02/2026
** Signature of Reporting PersonDate
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR