---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-216739"
form_type: "8-K"
ticker: "ERAS"
cik: "0001761918"
company_name: "Erasca, Inc."
filed_at: "2026-05-11T20:05:19+00:00"
generated_at: "2026-05-11T22:51:48.143073+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Erasca posts Q1 net loss of $183.4M; cash $408.5M; advances ERAS-0015 with robust early data

## Summary
- Net loss of $183.4M ($0.60 per share) vs $31.0M loss a year ago; includes $150M in-process R&D charge for license expansion.
- Cash and securities of $408.5M as of Mar 31, 2026, expected to fund ops into H2 2028; completed $258.8M public offering in Jan.
- ERAS-0015 dose escalation showed robust responses in KRAS G12X NSCLC and PDAC with favorable safety; no TRAE discontinuations.
- Monotherapy expansion and combo with panitumumab initiated ahead of schedule; data expected H1 2027.
- Entered CTCSA with Merck for ERAS-0015 + KEYTRUDA combo; also with Tango for PRMT5 inhibitor combo.

## SEC filing metadata
- accession: 0001193125-26-216739
- form_type: 8-K
- ticker: ERAS
- cik: 0001761918
- company_name: Erasca, Inc.
- filed_at: 2026-05-11T20:05:19+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1761918/000119312526216739/0001193125-26-216739-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1761918/000119312526216739/eras-20260511.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-216739
- JSON: https://secwatch.observer/filing/0001193125-26-216739.json
- Plain text: https://secwatch.observer/filing/0001193125-26-216739.txt

## Key facts
- Earnings Releases
  Erasca, Inc. reported financial results for the fiscal quarter ended March 31, 2026.
  - Period: the fiscal quarter ended March 31, 2026
  - Result: reported results
  source text: On May 11, 2026, Erasca, Inc. (the “Company”) announced the Company’s financial results for the three months ended March 31, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1761918/000119312526216739/0001193125-26-216739-index.htm

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