Kevin Maddock - 03 Mar 2026 Form 4 Insider Report for Rimini Street, Inc. (RMNI)

Role: EVP,ChiefRecurringRev.Officer
Signature: /s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact
Issuer symbol: RMNI
Transactions as of: 03 Mar 2026
Net transactions value: -$10,446
Form type: 4
Filing time: 05 Mar 2026, 19:57:25 UTC
Previous filing: 03 Mar 2026
Next filing: 06 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Maddock Kevin	EVP,ChiefRecurringRev.Officer	C/O 1700 S. PAVILION CENTER DRIVE, SUITE 330, LAS VEGAS	/s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact	05 Mar 2026	0001717514

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RMNI	Common Stock	Options Exercise		+6,667	+3.8%	$0.000000^*	180,371	03 Mar 2026	Direct
transaction	RMNI	Common Stock	Sale	$10,446	-2,809	-1.6%	$3.72	177,562	03 Mar 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RMNI	Restricted Stock Units	Options Exercise		-6,667	-100%	$0.000000^*	0	03 Mar 2026	Common Stock	6,667		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's Common Stock upon vesting.
F3	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.