---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-006228"
form_type: "8-K"
ticker: "PACB"
cik: "0001299130"
company_name: "PACIFIC BIOSCIENCES OF CALIFORNIA, INC."
filed_at: "2023-01-24T23:59:59+00:00"
generated_at: "2026-06-20T10:32:56.453240+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# PacBio announces $150M public stock offering to fund R&D, commercial expansion

## Summary
- Proposed offering of $150M common stock; underwriters have 30-day option for additional $22.5M.
- Goldman Sachs, Morgan Stanley, Cowen, and Allen & Co. acting as joint book-running managers.
- Net proceeds for R&D, commercial infrastructure, working capital, and potential acquisitions.

## SEC filing metadata
- accession: 0001104659-23-006228
- form_type: 8-K
- ticker: PACB
- cik: 0001299130
- company_name: PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
- filed_at: 2023-01-24T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1299130/000110465923006228/0001104659-23-006228-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1299130/000110465923006228/tm234149d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-006228
- JSON: https://secwatch.observer/filing/0001104659-23-006228.json
- Plain text: https://secwatch.observer/filing/0001104659-23-006228.txt

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