---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-032609"
form_type: "8-K"
ticker: "MPWR"
cik: "0001280452"
company_name: "MONOLITHIC POWER SYSTEMS INC"
filed_at: "2024-10-30T23:59:59+00:00"
generated_at: "2026-05-30T08:04:56.507694+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MPWR Q3 revenue $620.1M (+30.6% YoY), non-GAAP EPS $4.06, guides Q4 rev $600-620M

## Summary
- Revenue $620.1M, up 22.2% QoQ and 30.6% YoY; GAAP EPS $2.95, non-GAAP EPS $4.06.
- Enterprise Data revenue $184.5M (+86.4% YoY); Communications up 65% QoQ to $71.9M.
- GAAP gross margin 55.4%; non-GAAP 55.8%. Operating cash flow $231.7M; cash $1.46B.
- Q4 guidance: revenue $600-620M, GAAP gross margin 55.2-55.8%, non-GAAP 55.5-56.1%.
- Days sales outstanding improved to 24 days; inventory days 140 (flat QoQ on forward revenue).

## SEC filing metadata
- accession: 0001437749-24-032609
- form_type: 8-K
- ticker: MPWR
- cik: 0001280452
- company_name: MONOLITHIC POWER SYSTEMS INC
- filed_at: 2024-10-30T23:59:59+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/1280452/000143774924032609/0001437749-24-032609-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1280452/000143774924032609/mpwr20240813_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-032609
- JSON: https://secwatch.observer/filing/0001437749-24-032609.json
- Plain text: https://secwatch.observer/filing/0001437749-24-032609.txt

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