---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-092329"
form_type: "8-K"
ticker: "AMPL"
cik: "0001866692"
company_name: "Amplitude, Inc."
filed_at: "2023-04-05T23:59:59+00:00"
generated_at: "2026-06-17T06:03:59.685073+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Amplitude CAO Ninos Sarkis resigns; CFO Harms named principal accounting officer

## Summary
- Ninos Sarkis, Chief Accounting Officer, resigns effective on or about May 10, 2023.
- CFO Christopher Harms appointed as principal accounting officer effective March 30, 2023.
- Sarkis leaving to pursue another opportunity; no mention of interim CAO or search.
- Harms already serves as principal financial officer; now holds both roles.

## SEC filing metadata
- accession: 0001193125-23-092329
- form_type: 8-K
- ticker: AMPL
- cik: 0001866692
- company_name: Amplitude, Inc.
- filed_at: 2023-04-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/0001193125-23-092329-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/d484149d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-092329
- JSON: https://secwatch.observer/filing/0001193125-23-092329.json
- Plain text: https://secwatch.observer/filing/0001193125-23-092329.txt

## Key facts
- Executive change
  Ninos Sarkis resigned as Chief Accounting Officer at Amplitude, Inc..
  - Action: resigned
  - Role: Chief Accounting Officer
  source text: On March 30, 2023, Ninos Sarkis, Chief Accounting Officer and principal accounting officer of Amplitude, Inc. (the “Company”), provided notice of his intent to resign from his position with the Company in order to pursue another opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/0001193125-23-092329-index.htm
- Executive change
  Christopher Harms was appointed as Chief Financial Officer at Amplitude, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: In addition, on March 30, 2023, the Board of Directors of the Company appointed Christopher Harms, the Chief Financial Officer and principal financial officer of the Company, as principal accounting officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1866692/000119312523092329/0001193125-23-092329-index.htm

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