# EDGAR Filing Document

**Accession Number:** 0001635282
**File Stem:** 0001635282-25-000174
**Filing Date:** 2025-6
**Character Count:** 15105
**Document Hash:** 066899aac0878eff5ed6e668f1d91aa1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001635282-25-000174.hdr.sgml**: 20250605

**ACCESSION NUMBER**: 0001635282-25-000174

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250603

**FILED AS OF DATE**: 20250605

**DATE AS OF CHANGE**: 20250605

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Murray Robin P.
- **CENTRAL INDEX KEY:** 0001717449

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37397
- **FILM NUMBER:** 251028631

**MAIL ADDRESS:**
- **STREET 1:** 3993 HOWARD HUGHES PARKWAY, SUITE 780
- **CITY:** LAS VEGAS
- **STATE:** NV
- **ZIP:** 89169
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Rimini Street, Inc.
- **CENTRAL INDEX KEY:** 0001635282
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-BUSINESS SERVICES, NEC [7389]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 364880301
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1700 S. PAVILION CENTER DR.
- **STREET 2:** SUITE 330
- **CITY:** LAS VEGAS
- **STATE:** NV
- **ZIP:** 89135
- **BUSINESS PHONE:** (702) 839-9671

**MAIL ADDRESS:**
- **STREET 1:** 1700 S. PAVILION CENTER DR.
- **STREET 2:** SUITE 330
- **CITY:** LAS VEGAS
- **STATE:** NV
- **ZIP:** 89135

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GP Investments Acquisition Corp.
- **DATE OF NAME CHANGE:** 20150227

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Murray Robin P.<br><sub>(Last) (First) (Middle)</sub><br>C/O 1700 S. PAVILION CENTER DRIVE<br>SUITE 330<br><sub>(Street)</sub><br>LAS VEGAS, NV 89135<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rimini Street, Inc. [ RMNI ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common  Stock |  |  |  |  |  |  |  | 4320786 | I | See Footnote<sup>(1)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 4870262 | I | See Footnote<sup>(2)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 4267067 | I | See Footnote<sup>(3)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 1313301 | I | See Footnote<sup>(4)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 1786318 | I | See Footnote<sup>(5)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 1371200 | I | See Footnote<sup>(6)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 1353906 | I | See Footnote<sup>(7)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 3982079 | I | See Footnote<sup>(8)</sup> |
| Common  Stock |  |  |  |  |  |  |  | 300514 | I | See Footnote<sup>(9)</sup> |
| Common  Stock | 2025-06-03 |  | M |  | 65335 | A | $0 | 272994 | D<sup>(10)</sup> |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(11)</sup> | 2025-06-03 |  | M |  |  | 65335 | <sup>(12)</sup> | <sup>(12)</sup> | Common  Stock | 65335 | $0 | 0 | D |  |
| Restricted Stock Units | <sup>(11)</sup> | 2025-06-04 |  | A |  | 55727 |  | <sup>(13)</sup> | <sup>(13)</sup> | Common  Stock | 55727 | $0 | 55727 | D |  |

---

### Footnotes:

(1) Represents shares held directly by Adams Street 2007 Direct Fund, L.P. ("AS 2007"). Adams Street Partners, LLC, as the managing member of the general partner of AS 2007, may be deemed to beneficially own the shares held by AS 2007. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2007. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS 2007 except to the extent of their pecuniary interest therein.

(2) Represents shares held directly by Adams Street 2008 Direct Fund, L.P. ("AS 2008"). Adams Street Partners, LLC, as the managing member of the general partner of AS 2008, may be deemed to beneficially own the shares held by AS 2008. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2008. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS 2008 except to the extent of their pecuniary interest therein.

(3) Represents shares held directly by Adams Street 2009 Direct Fund, L.P. ("AS 2009"). Adams Street Partners, LLC, as the managing member of the general partner of AS 2009, may be deemed to beneficially own the shares held by AS 2009. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2009. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS 2009 except to the extent of their pecuniary interest therein.

(4) Represents shares held directly by Adams Street 2013 Direct Fund LP ("AS 2013"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2013, may be deemed to beneficially own the shares held by AS 2013. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2013. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS 2013 except to the extent of their pecuniary interest therein.

(5) Represents shares held directly by Adams Street 2014 Direct Fund LP ("AS 2014"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2014, may be deemed to beneficially own the shares held by AS 2014. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2014. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS 2014 except to the extent of their pecuniary interest therein.

(6) Represents shares held directly by Adams Street 2015 Direct Venture/Growth Fund LP ("AS 2015"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2015, may be deemed to beneficially own the shares held by AS 2015. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2015. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS 2015 except to the extent of their pecuniary interest therein.

(7) Represents shares held directly by Adams Street 2016 Direct Venture/Growth Fund LP ("AS 2016"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2016, may be deemed to beneficially own the shares held by AS 2016. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2016. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS 2016 except to the extent of their pecuniary interest therein.

(8) Represents shares held directly by Adams Street Venture/Growth Fund VI LP ("AS VGVI"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS VGVI, may be deemed to beneficially own the shares held by AS VGVI. Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS VGVI. Adams Street Partners, LLC and each of Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang disclaim beneficial ownership of the shares held by AS VGVI except to the extent of their pecuniary interest therein.

(9) Represents shares held directly by Adams Street Rimini Aggregator LLC ("ASRA"). Adams Street Partners, LLC, as the manager of ASRA, may be deemed to beneficially own the shares held by ASRA. David Brett, Alex Kessel, Michael Taylor, Benjamin Wallwork, Andy Wang and Craig D. Waslin, each of whom is a partner or principal of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by ASRA. Adams Street Partners, LLC and David Brett, Alex Kessel, Michael Taylor, Benjamin Wallwork, Andy Wang and Craig D. Waslin disclaim beneficial ownership of the shares held by ASRA except to the extent of their pecuniary interest therein.

(10) The shares of common stock were issued to the Reporting Person, Robin Murray, a director of the Issuer who is a partner of Adams Street Partners, LLC. Adams Street Partners, LLC is the managing member of the general partner of AS 2007, AS 2008, and AS 2009, the managing member of the general partner of the general partner of each of AS 2013, AS 2014, AS 2015, AS 2016 and AS VGVI (collectively, the "Funds") and the manager of ASRA. By agreement with the Funds, Mr. Murray is deemed to hold the shares of common stock for the benefit of the Funds. The shares of common stock may be deemed to be indirectly beneficially owned by Adams Street Partners, LLC. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Brian Dudley, the Reporting Person and Fred Wang, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), disclaim beneficial ownership of the shares of common stock except to the extent of their pecuniary interest therein.

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

(12) On June 6, 2024, the Reporting Person was awarded 65,335 Restricted Stock Units, 100% of which vested on June 3, 2025, or the day before the date of the Issuer's 2025 Annual Meeting of Stockholders.

(13) 100% of the Restricted Stock Units awarded will vest on the earlier to occur of (i) June 4, 2026 or (ii) the day before the date of the Issuer's 2026 Annual Meeting of Stockholders, contingent upon the Reporting Person's continued service as a member of the Issuer's Board of Directors through such date.

**Signature:** /s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact  
**Date:** 2025-06-05

### Remarks:

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.**