Rimini Street (RMNI) EVP exercises 6,667 RSUs and auto-sells shares for taxes

Rhea-AI Filing Summary

Rimini Street, Inc. executive Kevin Maddock reported equity transactions involving company stock. On March 3, 2026, he exercised 6,667 Restricted Stock Units, receiving an equal number of Rimini Street common shares at a price of $0.00 per share.

On the same date, 2,809 common shares were sold at $3.7187 per share in an automatically triggered “sell-to-cover” transaction to satisfy withholding tax obligations related to a performance unit vesting event. According to the disclosure, Maddock did not initiate this sale. After these transactions, he directly held 177,562 shares of Rimini Street common stock.

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

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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^*

Maddock Kevin

(Last) (First) (Middle)

C/O 1700 S. PAVILION CENTER DRIVE

SUITE 330

(Street)

LAS VEGAS NV 89135

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Rimini Street, Inc. [ RMNI ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP,ChiefRecurringRev.Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/03/2026

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
Common Stock	03/03/2026		M		6,667	A	$0	180,371	D
Common Stock	03/03/2026		S(1)		2,809(1)	D(1)	$3.7187	177,562	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
Restricted Stock Units	(2)	03/03/2026		M			6,667	(3)	(3)	Common Stock	6,667	$0	0	D

Explanation of Responses:

1. Reported transaction is an automatically-triggered "sell-to-cover" transaction related to the payment of withholding tax obligations pursuant to the Issuer's policy for tax withholdings associated with Performance Unit vesting events. The Reporting Person did not initiate the sale.

2. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's Common Stock upon vesting.

3. On March 3, 2023 , the Reporting Person was granted 20,000 Restricted Stock Units, one-third of which vested on March 3, 2024, one-third of which vested on March 3 ,2025, and one-third of which vested on March 3, 2026, generally subject to the Reporting Person continuing to be a Service Provider (as such term is defined in the Issuer's 2013 Equity Incentive Plan) through the vesting date.

Remarks:

	/s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact	03/05/2026
	** 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.
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FAQ

What insider transactions did RMNI executive Kevin Maddock report on March 3, 2026?

Kevin Maddock reported exercising 6,667 Restricted Stock Units for Rimini Street common stock and a related sale of 2,809 common shares. The sale was an automatic “sell-to-cover” to satisfy tax withholding obligations tied to a performance unit vesting event.

How many Rimini Street (RMNI) shares did Kevin Maddock acquire through RSU conversion?

Kevin Maddock acquired 6,667 Rimini Street common shares through the exercise and conversion of 6,667 Restricted Stock Units at $0.00 per share. Each Restricted Stock Unit represented a contingent right to receive one common share upon vesting, subject to service conditions.

Was the RMNI stock sale by Kevin Maddock a discretionary transaction?

No, the 2,809 RMNI shares were sold in an automatically triggered “sell-to-cover” transaction. The sale occurred under the issuer’s tax withholding policy for performance unit vesting, and the filing states that the reporting person did not initiate the sale.

What price was received for the 2,809 Rimini Street (RMNI) shares sold?

The 2,809 Rimini Street common shares associated with the transaction were sold at a price of $3.7187 per share. This sale was specifically to cover withholding tax obligations related to a performance unit vesting event under the company’s established policy.

How many Rimini Street (RMNI) shares does Kevin Maddock hold after these transactions?

Following the reported transactions, Kevin Maddock directly held 177,562 shares of Rimini Street common stock. This figure reflects the net position after exercising 6,667 Restricted Stock Units and the automatic sale of 2,809 shares to satisfy associated tax withholding obligations.

What are the vesting terms of Kevin Maddock’s 20,000 RMNI Restricted Stock Units granted in 2023?

The 20,000 Restricted Stock Units granted on March 3, 2023 vest in three equal installments. One-third vested on March 3, 2024, another third on March 3, 2025, and the final third on March 3, 2026, generally contingent on continued service as a Service Provider.