---
schema_version: "secwatch.filing_event.v1"
accession: "0001725160-23-000178"
form_type: "8-K"
ticker: "ZNTL"
cik: "0001725160"
company_name: "Zentalis Pharmaceuticals, Inc."
filed_at: "2023-10-06T23:59:59+00:00"
generated_at: "2026-06-10T03:31:47.104303+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Zentalis Pharmaceuticals COO Iris Roth departs effective Oct 10, 2023

## Summary
- Dr. Iris Roth ceases as COO at 11:59 p.m. ET on Oct 10, 2023.
- Company expects to provide severance benefits per Employment Agreement dated Feb 8, 2023.
- No replacement or additional details on departure reason provided.

## SEC filing metadata
- accession: 0001725160-23-000178
- form_type: 8-K
- ticker: ZNTL
- cik: 0001725160
- company_name: Zentalis Pharmaceuticals, Inc.
- filed_at: 2023-10-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1725160/000172516023000178/0001725160-23-000178-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1725160/000172516023000178/zntl-20231006.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001725160-23-000178
- JSON: https://secwatch.observer/filing/0001725160-23-000178.json
- Plain text: https://secwatch.observer/filing/0001725160-23-000178.txt

## Key facts
- Executive change
  Iris Roth departed as Chief Operating Officer at Zentalis Pharmaceuticals, Inc..
  - Action: depart
  - Role: Chief Operating Officer
  source text: On Friday, October 6, 2023, Zentalis Pharmaceuticals, Inc. (the “Company”) announced that Iris Roth, Ph.D., Chief Operating Officer of the Company, will depart from the Company and cease serving as Chief Operating Officer of the Company, effective as of 11:59 p.m. Eastern Time on Tuesday, October 10, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1725160/000172516023000178/0001725160-23-000178-index.htm

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