---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-22-011827"
form_type: "8-K"
ticker: "ADPT"
cik: "0001478320"
company_name: "Adaptive Biotechnologies Corp"
filed_at: "2022-03-25T23:59:59+00:00"
generated_at: "2026-06-26T17:13:15.785376+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Chief Medical Officer Lance Baldo resigns effective March 25, 2022

## Summary
- Lance Baldo resigned as Chief Medical Officer to pursue a new opportunity.
- Resignation effective March 25, 2022; no replacement named yet.
- Baldo stated no disagreement with the company, management, or board.
- Event reported under Item 8.01 as an other-event disclosure.

## SEC filing metadata
- accession: 0001564590-22-011827
- form_type: 8-K
- ticker: ADPT
- cik: 0001478320
- company_name: Adaptive Biotechnologies Corp
- filed_at: 2022-03-25T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1478320/000156459022011827/0001564590-22-011827-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1478320/000156459022011827/adpt-8k_20220325.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-22-011827
- JSON: https://secwatch.observer/filing/0001564590-22-011827.json
- Plain text: https://secwatch.observer/filing/0001564590-22-011827.txt

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