---
schema_version: "secwatch.filing_event.v1"
accession: "0000917273-23-000003"
form_type: "8-K"
ticker: "RMBS"
cik: "0000917273"
company_name: "RAMBUS INC"
filed_at: "2023-02-06T23:59:59+00:00"
generated_at: "2026-06-20T00:41:44.031751+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Rambus reports Q4 revenue $122.4M, full-year product revenue up 58% to record

## Summary
- Q4 GAAP revenue $122.4M, net income $15.9M, diluted EPS $0.14.
- Record annual product revenue, up 58% YoY, driven by memory interface chips.
- Full-year cash from operations $230.4M, a record, up 10% YoY.
- Q1 2023 guidance: product revenue $57-63M, licensing billings $61-67M.
- Cash and marketable securities $313.2M at Dec 31, 2022, up $48.4M from prior quarter.

## SEC filing metadata
- accession: 0000917273-23-000003
- form_type: 8-K
- ticker: RMBS
- cik: 0000917273
- company_name: RAMBUS INC
- filed_at: 2023-02-06T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/917273/000091727323000003/0000917273-23-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/917273/000091727323000003/rmbs-20230206.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000917273-23-000003
- JSON: https://secwatch.observer/filing/0000917273-23-000003.json
- Plain text: https://secwatch.observer/filing/0000917273-23-000003.txt

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