[Form 4] RB GLOBAL INC. Insider Trading Activity

Rhea-AI Filing Summary

RB Global Inc. director Michael D. Sieger reported routine equity-related transactions involving derivative securities tied to the company’s common shares. On 12/17/2025, he acquired 52 dividend equivalent rights related to his deferred share units and 6 dividend equivalent rights related to his 2025 restricted share units, each at a price of $0. Each dividend equivalent right represents a contingent right to receive the economic equivalent of one RB Global common share and becomes exercisable in line with the underlying deferred share units or restricted share units. Following these transactions, he held 59 dividend equivalent rights linked to deferred share units and 16 linked to 2025 restricted share units in direct ownership.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Sieger Michael D

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights (DSUs)	52	$0.00	--
Grant/Award	Dividend Equivalent Rights (2025 RSUs)	6	$0.00	--

Holdings After Transaction: Dividend Equivalent Rights (DSUs) — 59 shares (Direct); Dividend Equivalent Rights (2025 RSUs) — 16 shares (Direct)

Footnotes (1)

1. The dividend equivalent rights accrued in respect of the reporting person's deferred share units, and become exercisable and payable concurrently with the deferred share units. Each dividend equivalent right represents a contingent right to receive the economic equivalent of one RBA common share. Each dividend equivalent right represents a contingent right to receive the economic equivalent of one RBA common share. The dividend equivalent rights accrued in respect of the 2025 grant of restricted share units (RSU), and become exercisable proportionately with the restricted share units to which they relate.

Form 4 Insider Transactions: What Each Field Means →

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^*

Sieger Michael D

(Last) (First) (Middle)

C/O RB GLOBAL, INC.

2 WESTBROOK CORPORATE CENTER

(Street)

WESTCHESTER IL 60154

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
RB GLOBAL INC. [ RBA ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/17/2025

4. If Amendment, Date of 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

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

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
Dividend Equivalent Rights (DSUs)	(1)	12/17/2025		A		52		(1)	(1)	Common Shares	52	$0	59	D
Dividend Equivalent Rights (2025 RSUs)	(2)	12/17/2025		A		6		(2)	(2)	Common Shares	6	$0	16	D

Explanation of Responses:

1. The dividend equivalent rights accrued in respect of the reporting person's deferred share units, and become exercisable and payable concurrently with the deferred share units. Each dividend equivalent right represents a contingent right to receive the economic equivalent of one RBA common share.

2. Each dividend equivalent right represents a contingent right to receive the economic equivalent of one RBA common share. The dividend equivalent rights accrued in respect of the 2025 grant of restricted share units (RSU), and become exercisable proportionately with the restricted share units to which they relate.

	/s/ Maria Teresa Punsalan, attorney-in-fact for Michael D. Sieger	12/18/2025
	** 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).
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