Jack L. Acosta - 02 Jun 2026 Form 4 Insider Report for Rimini Street, Inc. (RMNI)

Reporting relationship: Director
Issuer ticker: RMNI
Reported as of: 02 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 Jun 2026, 16:39:13 UTC
Prior SEC filing: 05 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact

Key filing fact

Jack L. Acosta filed Form 4 for Rimini Street, Inc. (RMNI) on 04 Jun 2026.

Key facts

This page summarizes Jack L. Acosta's Form 4 filing for Rimini Street, Inc. (RMNI).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 04 Jun 2026, 16:39.

Change

Previous filing in this sequence was filed on 05 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001225954 Primary reporting owner

ACOSTA JACK L

Relationship: Director
Address: C/O 1700 S. PAVILION CENTER DRIVE, SUITE 330, LAS VEGAS
Signature: /s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact
Signature date: 04 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RMNI transaction

Common Stock

Options Exercise

Transaction value
Shares: +55,727
Change %: +20%
Price: $0.000000^*
Shares after: 329,721
Date: 02 Jun 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

RMNI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -55,727
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 02 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 55,727
Exercise price
Footnotes: F1, F2

RMNI transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +44,117
Change %
Price: $0.000000^*
Shares after: 44,117
Date: 03 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 44,117
Exercise price
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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

Footnote F2

On June 4, 2025, the Reporting Person was awarded 55,727 Restricted Stock Units, 100% of which vested on June 2, 2026, or the day before the date of the Issuer's 2026 Annual Meeting of Stockholders.

Footnote F3

100% of the Restricted Stock Units awarded will vest on the earlier to occur of (i) June 3, 2027 or (ii) the day before the date of the Issuer's 2027 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.