---
schema_version: "secwatch.filing_event.v1"
accession: "0001299130-26-000046"
form_type: "8-K"
ticker: "PACB"
cik: "0001299130"
company_name: "PACIFIC BIOSCIENCES OF CALIFORNIA, INC."
filed_at: "2026-03-05T23:59:59+00:00"
generated_at: "2026-05-15T19:23:09.435669+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# PacBio appoints Chris Gibson (Recursion co-founder) to board; effective March 3, 2026

## Summary
- Board expanded to 10; Gibson appointed Class I director with term expiring at 2026 annual meeting.
- Gibson also named to PacBio's Science and Technology Committee.
- He is co-founder and Chairman of Recursion (RXRX), an AI-driven biotech with a drug discovery platform.
- No related party transactions between Gibson and PacBio; standard indemnification agreement to be entered.
- Company cites Gibson's experience in AI, automation, and high-dimensional biology as strategic for HiFi sequencing data tools.

## SEC filing metadata
- accession: 0001299130-26-000046
- form_type: 8-K
- ticker: PACB
- cik: 0001299130
- company_name: PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
- filed_at: 2026-03-05T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1299130/000129913026000046/0001299130-26-000046-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1299130/000129913026000046/pacb-20260303.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001299130-26-000046
- JSON: https://secwatch.observer/filing/0001299130-26-000046.json
- Plain text: https://secwatch.observer/filing/0001299130-26-000046.txt

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