X0609 4 2026-10-01 0 0001635282 Rimini Street, Inc. RMNI 0002020161 Hershkowitz Steven false C/O 1700 S. PAVILION CENTER DRIVE SUITE 330 LAS VEGAS NV 89135 0 1 0 0 EVP & Chief Revenue Officer 0 Common Stock 186992 D Employee Stock Options (Right to Buy) 4.29 2026-10-01 4 A 0 66667 0 A 2037-10-01 Common Stock 66667 66667 D Employee Stock Options (Right to Buy) 4.29 2026-10-01 4 A 0 18301 0 A 2037-10-01 Common Stock 18301 18301 D Employee Stock Options (Right to Buy) 4.29 2026-10-01 4 A 0 25116 0 A 2037-10-01 Common Stock 25116 25116 D Employee Stock Options (Right to Buy) 4.29 2026-10-01 4 A 0 100000 0 A 2037-10-01 Common Stock 100000 100000 D Restricted Stock Units 2026-10-01 4 A 0 100002 0 A Common Stock 100002 100002 D Restricted Stock Units 2026-10-01 4 A 0 66667 0 A Common Stock 66667 66667 D Restricted Stock Units 2026-10-01 4 A 0 22989 0 A Common Stock 22989 22989 D Restricted Stock Units 2026-10-01 4 A 0 11264 0 A Common Stock 11264 11264 D Restricted Stock Units 2026-10-01 4 A 0 32258 0 A Common Stock 32258 32258 D On October 1, 2026, the Reporting Person was awarded 66,667 Employee Stock Options, which shall vest in full in accordance with the following vesting schedule: 50% of the shares subject to the Option shall vest on October 1, 2027, and 50% of the shares subject to the Option shall vest on December 17, 2027, subject to the Reporting Person continuing to be a Service Provider (as defined in the Company's 2013 Equity Incentive Plan) through each such vesting date. On October 1, 2026, the Reporting Person was awarded 18,301 Employee Stock Options, which shall vest in full in accordance with the following vesting schedule: 50% of the shares subject to the Option shall vest on October 1, 2027, and 50% of the shares subject to the Option shall vest on March 4, 2028, subject to the Reporting Person continuing to be a Service Provider through each such vesting date. On October 1, 2026, the Reporting Person was awarded 25,116 Employee Stock Options, which shall vest in full in accordance with the following vesting schedule: one-third of the shares subject to the Option shall vest on October 1, 2027, one-third of the shares subject to the Option shall vest on March 2, 2028, and one- third of the shares subject to the Option shall vest on March 2, 2029, subject to the Reporting Person continuing to be a Service Provider through each such vesting date. On October 1, 2026, the Reporting Person was awarded 100,000 Employee Stock Options, which shall vest in full in accordance with the following vesting schedule: one-third of the Shares subject to the Option shall vest on October 1, 2027, one-third of the shares subject to the Option shall vest on March 2, 2028 and one-third of the Shares subject to the Option shall vest on March 2, 2029, subject to the Reporting Person continuing to be a Service Provider through each such vesting date. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's Common Stock upon vesting. On October 1, 2026, the Reporting Person was awarded 100,002 Restricted Stock Units, 100% of which shall vest in full on October 1, 2027, subject to the Reporting Person continuing to be a Service Provider through the vesting date. On October 1, 2026, the Reporting Person was awarded 66,667 Restricted Stock Units which shall vest in full in accordance with the following vesting schedule: 50% of the Restricted Stock Units shall vest on October 1, 2027, and 50% of the Restricted Stock Units shall vest on December 17, 2027, subject to the Reporting Person continuing to be a Service Provider through each such vesting date. On October 1, 2026, the Reporting Person was awarded 22,989 Restricted Stock Units which shall vest in full in accordance with the following vesting schedule: 50% of the Restricted Stock Units shall vest on October 1, 2027, and 50% of the Restricted Stock Units shall vest on March 4, 2028, subject to the Reporting Person continuing to be a Service Provider through each such vesting date. On October 1, 2026, the Reporting Person was awarded 11,264 Restricted Stock Units which shall vest in full in accordance with the following vesting schedule: 50% of the Restricted Stock Units shall vest on October 1, 2027, and 50% of the Restricted Stock Units shall vest on March 4, 2028, subject to the Reporting Person continuing to be a Service Provider through each such vesting date. On October 1, 2026, the Reporting Person was awarded 32,258 Restricted Stock Units, which shall vest in full in accordance with the following vesting schedule: one-third of the Restricted Stock Units shall vest on October 1, 2027, one-third of the Restricted Stock Units shall vest on March 2, 2028, and one-third of the Restricted Stock Units shall vest on March 2, 2029, subject to the Reporting Person continuing to be a Service Provider through each such vesting date. /s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact 2026-10-02