---
schema_version: "secwatch.filing_event.v1"
accession: "0001384905-23-000068"
form_type: "8-K"
ticker: "RNG"
cik: "0001384905"
company_name: "RingCentral, Inc."
filed_at: "2023-12-11T23:59:59+00:00"
generated_at: "2026-06-07T14:53:42.719438+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# CEO Tarek Robbiati departs; founder Vlad Shmunis returns as CEO; Q4/FY guidance reiterated

## Summary
- Tarek Robbiati resigned as CEO and board member effective Dec 8, 2023; no disagreement cited.
- Founder and Executive Chairman Vlad Shmunis appointed CEO, remaining Chairman.
- Separation agreement provides Robbiati payments totaling $9.75 million, consistent with policy.
- Company reiterates Q4 and FY2023 guidance on revenue, non-GAAP operating margin, and adjusted unlevered FCF.

## SEC filing metadata
- accession: 0001384905-23-000068
- form_type: 8-K
- ticker: RNG
- cik: 0001384905
- company_name: RingCentral, Inc.
- filed_at: 2023-12-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1384905/000138490523000068/0001384905-23-000068-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1384905/000138490523000068/rng-20231208.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001384905-23-000068
- JSON: https://secwatch.observer/filing/0001384905-23-000068.json
- Plain text: https://secwatch.observer/filing/0001384905-23-000068.txt

## Key facts
- Executive change
  Vladimir Shmunis was appointed as Chief Executive Officer at RingCentral, Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: The Company announced that it has appointed Vladimir Shmunis, its Executive Chairman of the board of directors, to succeed Mr. Robbiati as the Chief Executive Officer of the Company, effective December 8, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1384905/000138490523000068/0001384905-23-000068-index.htm
- Executive change
  Tarek Robbiati resigned as Chief Executive Officer at RingCentral, Inc..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: On December 8, 2023, Tarek Robbiati and RingCentral, Inc. (the “Company”) mutually agreed that Mr. Robbiati would separate from the Company and resign from the board of directors effective December 8, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1384905/000138490523000068/0001384905-23-000068-index.htm

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