---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-276065"
form_type: "8-K"
ticker: "MPLT"
cik: "0001770069"
company_name: "MapLight Therapeutics, Inc."
filed_at: "2026-06-18T21:00:35+00:00"
generated_at: "2026-06-18T21:03:46.569264+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# MapLight Therapeutics fires CFO Vishwas Setia for HR violation; interim CFO named

## Summary
- Vishwas Setia separated as CFO effective June 18, 2026, due to human resources violation; no severance paid.
- Separation is unrelated to financial/operational results, internal controls, or clinical programs.
- Jonathan Gillis, Chief Administrative and Accounting Officer, appointed interim CFO and principal financial officer.
- Gillis continues as principal accounting officer; background in April 2026 proxy statement.

## SEC filing metadata
- accession: 0001193125-26-276065
- form_type: 8-K
- ticker: MPLT
- cik: 0001770069
- company_name: MapLight Therapeutics, Inc.
- filed_at: 2026-06-18T21:00:35+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1770069/000119312526276065/0001193125-26-276065-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1770069/000119312526276065/d227825d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-276065
- JSON: https://secwatch.observer/filing/0001193125-26-276065.json
- Plain text: https://secwatch.observer/filing/0001193125-26-276065.txt

## Key facts
- Executive change
  Vishwas Setia departed as Chief Financial Officer at MapLight Therapeutics, Inc..
  - Action: separated
  - Role: Chief Financial Officer
  source text: Vishwas Setia was separated as the Chief Financial Officer of MapLight Therapeutics, Inc. (the “Company”), effective immediately, following a review of a human resources violation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1770069/000119312526276065/0001193125-26-276065-index.htm
- Executive change
  Jonathan Gillis was appointed as interim Chief Financial Officer at MapLight Therapeutics, Inc..
  - Action: appointed
  - Role: interim Chief Financial Officer
  source text: the board of directors of the Company appointed Jonathan Gillis, the Company’s Chief Administrative and Accounting Officer, as the Company’s interim Chief Financial Officer and interim principal financial officer, effective June 18, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1770069/000119312526276065/0001193125-26-276065-index.htm

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