---
schema_version: "secwatch.filing_event.v1"
accession: "0000917273-22-000004"
form_type: "8-K"
ticker: "RMBS"
cik: "0000917273"
company_name: "RAMBUS INC"
filed_at: "2022-02-07T23:59:59+00:00"
generated_at: "2026-06-27T10:54:27.698113+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Rambus beats Q4 expectations with $91.8M revenue, record product revenue of $45.3M

## Summary
- GAAP revenue $91.8M, net income $6.1M ($0.05 diluted EPS); exceeded Q4 guidance.
- Record annual product revenue $143.9M, up 26% YoY, driven by memory interface chips.
- Record cash from operations $209.2M in FY2021, $72.2M in Q4; cash balance $485.6M.
- Q1 2022 guidance: licensing billings $64-70M, product revenue $43-49M, non-GAAP op costs $69-73M.

## SEC filing metadata
- accession: 0000917273-22-000004
- form_type: 8-K
- ticker: RMBS
- cik: 0000917273
- company_name: RAMBUS INC
- filed_at: 2022-02-07T23:59:59+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/917273/000091727322000004/0000917273-22-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/917273/000091727322000004/rmbs-20220207.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000917273-22-000004
- JSON: https://secwatch.observer/filing/0000917273-22-000004.json
- Plain text: https://secwatch.observer/filing/0000917273-22-000004.txt

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