---
schema_version: "secwatch.filing_event.v1"
accession: "0001635282-26-000062"
form_type: "8-K"
ticker: "RMNI"
cik: "0001635282"
company_name: "Rimini Street, Inc."
filed_at: "2026-09-08T12:30:16+00:00"
generated_at: "2026-09-08T12:35:26.051149+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Rimini Street CRO Hershkowitz resigns; COO Costello assumes revenue duties

## Summary
- Steven Hershkowitz resigned as EVP and Chief Revenue Officer effective Sept 8, 2026, to pursue another opportunity.
- Keith Costello, EVP and COO, assumes Hershkowitz's CRO responsibilities and direct reports.
- Costello previously led field sales at DXC Technology and IBM, overseeing billions in global revenue.
- No other changes announced; Costello's background detailed in Aug 12, 2026 8-K.

## SEC filing metadata
- accession: 0001635282-26-000062
- form_type: 8-K
- ticker: RMNI
- cik: 0001635282
- company_name: Rimini Street, Inc.
- filed_at: 2026-09-08T12:30:16+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1635282/000163528226000062/0001635282-26-000062-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1635282/000163528226000062/rmni-20260908.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001635282-26-000062
- JSON: https://secwatch.observer/filing/0001635282-26-000062.json
- Plain text: https://secwatch.observer/filing/0001635282-26-000062.txt

## Key facts
- Executive change
  Steven Hershkowitz resigned as Executive Vice President and Chief Revenue Officer at Rimini Street, Inc..
  - Action: resigned
  - Role: Executive Vice President and Chief Revenue Officer
  source text: Mr. Steven Hershkowitz, Executive Vice President and Chief Revenue Officer of Rimini Street, Inc. (the “ Company ”), resigned his position effective 8 September 2026 to pursue another opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1635282/000163528226000062/0001635282-26-000062-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.