---
schema_version: "secwatch.filing_event.v1"
accession: "0001299130-26-000111"
form_type: "8-K"
ticker: "PACB"
cik: "0001299130"
company_name: "PACIFIC BIOSCIENCES OF CALIFORNIA, INC."
filed_at: "2026-07-09T20:32:58+00:00"
generated_at: "2026-07-09T20:34:10.016603+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Director Christopher M. Smith resigns from Pacific Biosciences board effective July 8, 2026

## Summary
- Christopher M. Smith resigned from the Board effective July 8, 2026.
- No disagreement between Mr. Smith and the Company on operations, policies, or practices.
- No replacement director has been announced.

## SEC filing metadata
- accession: 0001299130-26-000111
- form_type: 8-K
- ticker: PACB
- cik: 0001299130
- company_name: PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
- filed_at: 2026-07-09T20:32:58+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/1299130/000129913026000111/0001299130-26-000111-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1299130/000129913026000111/pacb-20260708.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001299130-26-000111
- JSON: https://secwatch.observer/filing/0001299130-26-000111.json
- Plain text: https://secwatch.observer/filing/0001299130-26-000111.txt

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