Sunbelt Rentals CEO reports tax, dividend shares

SUNB’s CEO received 196 shares via dividend equivalents and had 3,700 RSU shares withheld to cover taxes, with no 10b5-1 plan in place.

Rhea-AI Filing Summary

Sunbelt Rentals Holdings, Inc. (SUNB) reported insider equity activity by Chief Executive Officer and director Brendan Horgan. On September 18, 2026, he acquired 196 shares of common stock through dividend equivalent units tied to existing restricted stock units, at no cash price. On September 19, 2026, 3,700 common shares were withheld to pay tax withholding obligations upon RSU vesting at a reference value of $73.59 per share. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Horgan Brendan

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F2	3,700	$73.59	$272K
Grant/Award	Common Stock F1	196	$0.00	$0.00

Holdings After Transaction: Common Stock — 747,694 shares (Direct)

Footnotes (2)

1. F1. Represents dividend equivalent units accrued in respect of outstanding restricted stock units ("RSU") held by the Reporting Person. Each dividend equivalent unit represents the right to receive one share of the Issuer's common stock and will vest and settle with the underlying RSUs.
2. F2. Represents shares withheld upon the vesting of restricted stock units to pay tax withholding obligations.

Key Figures

Shares withheld for tax: 3,700 shares Tax withholding reference price: $73.59 per share Dividend equivalent units acquired: 196 shares +1 more

4 metrics

Shares withheld for tax 3,700 shares Common stock withheld on September 19, 2026 to pay tax withholding obligations upon RSU vesting

Tax withholding reference price $73.59 per share Value used for 3,700 common shares withheld on September 19, 2026

Dividend equivalent units acquired 196 shares Common shares from dividend equivalent units accrued on outstanding RSUs on September 18, 2026

Transactions reported 2 transactions One grant/award acquisition and one tax-withholding disposition in this Form 4

Key Terms

dividend equivalent units, restricted stock units, tax withholding obligations

3 terms

dividend equivalent units financial

"Represents dividend equivalent units accrued in respect of outstanding restricted stock units"

Dividend equivalent units are bookkeeping credits that mirror cash dividends paid on actual shares, granted to holders of stock-based awards such as restricted stock units or deferred compensation. They matter to investors because they increase a company’s reported employee compensation cost and can lead to issuance of more shares or cash payouts over time, similar to extra pay linked to ownership that affects shareholder dilution and corporate cash flow.

restricted stock units financial

"Represents dividend equivalent units accrued in respect of outstanding restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"Represents shares withheld upon the vesting of restricted stock units to pay tax withholding obligations"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did SUNB’s CEO report on this Form 4?

SUNB’s CEO Brendan Horgan reported two transactions: an acquisition of 196 common shares on September 18, 2026 via dividend equivalent units, and a disposition of 3,700 shares on September 19, 2026 withheld to cover tax withholding obligations on RSU vesting.

How many SUNB shares were acquired by the CEO in this filing and how?

The CEO acquired 196 SUNB common shares on September 18, 2026. These represent dividend equivalent units accrued on outstanding restricted stock units, with each unit representing the right to receive one share of common stock, vesting and settling with the underlying RSUs.

Why were 3,700 SUNB shares disposed of in this Form 4?

The reported disposition of 3,700 SUNB common shares on September 19, 2026 reflects shares withheld to pay tax withholding obligations upon the vesting of restricted stock units held by the CEO, not an open-market sale for investment purposes.

At what price were the 3,700 withheld SUNB shares valued?

The 3,700 SUNB shares withheld for tax withholding obligations upon RSU vesting were valued at a reference price of $73.59 per share, as reported for the tax-withholding disposition on September 19, 2026.

Was a Rule 10b5-1 trading plan used for these SUNB insider transactions?

No. The Form 4 indicates no Rule 10b5-1 trading plan for the reported transactions. The document-level 10b5-1 checkbox is explicitly unchecked, and no footnote states that the transactions were made under such a plan.

What is the nature of the 196 SUNB shares acquired as dividend equivalent units?

The 196 SUNB shares represent dividend equivalent units accrued on outstanding restricted stock units. Each unit represents the right to receive one share of common stock and will vest and settle together with the underlying RSUs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/22/2026 - 05:01 PM Accepted by SEC EDGAR 09/22/2026 - 05:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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
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).

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^*

Horgan Brendan

(Last) (First) (Middle)

1799 INNOVATION PT

(Street)

FORT MILL SOUTH CAROLINA 29715

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Sunbelt Rentals Holdings, Inc. [ SUNB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/18/2026		A		196(1)	A	$0.00	751,394	D
Common Stock	09/19/2026		F		3,700(2)	D	$73.59	747,694	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 (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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents dividend equivalent units accrued in respect of outstanding restricted stock units ("RSU") held by the Reporting Person. Each dividend equivalent unit represents the right to receive one share of the Issuer's common stock and will vest and settle with the underlying RSUs.

2. Represents shares withheld upon the vesting of restricted stock units to pay tax withholding obligations.

	/s/ Gerald W. Clanton, Attorney-in-Fact	09/22/2026
	** Signature of Reporting Person	Date
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)