---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-017142"
form_type: "8-K"
ticker: "PSNL"
cik: "0001527753"
company_name: "Personalis, Inc."
filed_at: "2023-05-03T23:59:59+00:00"
generated_at: "2026-06-16T01:02:28.659484+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Personalis Q1 revenue $18.9M (+24% YoY); net loss $28.7M; guides Q2 rev $16-17M

## Summary
- Total revenue $18.9M in Q1 2023, up 24% from $15.2M in Q1 2022.
- Net loss of $28.7M ($0.61 per share) vs $26.8M loss in Q1 2022.
- Pharma/enterprise revenue $15.9M (+35% YoY); includes $9.5M from Natera.
- Cash and investments $148.9M; full-year 2023 revenue guidance $68-72M, net loss ~$103M.
- Appointed Chris Hall CEO; promoted Aaron Tachibana to COO and Richard Chen to EVP/CMO.

## SEC filing metadata
- accession: 0000950170-23-017142
- form_type: 8-K
- ticker: PSNL
- cik: 0001527753
- company_name: Personalis, Inc.
- filed_at: 2023-05-03T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1527753/000095017023017142/0000950170-23-017142-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1527753/000095017023017142/psnl-20230503.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-017142
- JSON: https://secwatch.observer/filing/0000950170-23-017142.json
- Plain text: https://secwatch.observer/filing/0000950170-23-017142.txt

## Key facts
- Earnings Releases
  Personalis, Inc. reported the first quarter ended March 31, 2023 results: revenue $18.9 million, net income $28.7 million, EPS $0.61.
  - Period: the first quarter ended March 31, 2023
  - Revenue: $18.9 million
  - Net income: $28.7 million
  - EPS: $0.61
  - Result: reported results
  source text: Reported total company revenue of $18.9 million for the first quarter of 2023, representing a 24% increase compared with $15.2 million for the first quarter of 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1527753/000095017023017142/0000950170-23-017142-index.htm

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