---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-014156"
form_type: "8-K"
ticker: "MPWR"
cik: "0001280452"
company_name: "MONOLITHIC POWER SYSTEMS INC"
filed_at: "2024-05-01T23:59:59+00:00"
generated_at: "2026-06-03T02:15:00.331086+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# MPS Q1 revenue $457.9M, GAAP EPS $1.89, non-GAAP $2.81; Q2 guidance $480-500M

## Summary
- Revenue $457.9M, up 0.9% QoQ and 1.5% YoY; GAAP net income $92.5M vs $109.8M YoY.
- Enterprise Data revenue $149.7M (+217% YoY); storage & computing $106.1M (-11.4%).
- GAAP gross margin 55.1% vs 57.4% YoY; non-GAAP 55.7% vs 57.7%.
- Q2 2024 guidance: revenue $480-500M, non-GAAP gross margin 55.4-56.0%.
- Management cautious on H2 2024; stock-based comp $51.8M in Q1, up from $37.0M YoY.

## SEC filing metadata
- accession: 0001437749-24-014156
- form_type: 8-K
- ticker: MPWR
- cik: 0001280452
- company_name: MONOLITHIC POWER SYSTEMS INC
- filed_at: 2024-05-01T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- 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/1280452/000143774924014156/0001437749-24-014156-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1280452/000143774924014156/mpwr20240311_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-014156
- JSON: https://secwatch.observer/filing/0001437749-24-014156.json
- Plain text: https://secwatch.observer/filing/0001437749-24-014156.txt

## Key facts
- Earnings Releases
  MONOLITHIC POWER SYSTEMS INC reported the quarter ended March 31, 2024 results: revenue $457.9 million, net income GAAP net income was $92.5 million and $1.89 per diluted share, EPS $1.89 per diluted share.
  - Period: the quarter ended March 31, 2024
  - Revenue: $457.9 million
  - Net income: GAAP net income was $92.5 million and $1.89 per diluted share
  - EPS: $1.89 per diluted share
  - Result: reported results
  source text: Monolithic Power Systems, Inc. (“MPS”) (Nasdaq: MPWR), a fabless global company that provides high-performance, semiconductor-based power electronics solutions, today announced financial results for the quarter ended March 31, 2024 . ● Revenue was $457.9 million for the quarter ended March 31, 2024 , a 0.9% increase from $454.0 million for the quarter ended December 31, 2023 and a 1.5% increase from $451.1 million for the quarter ended March 31, 2023 .
  evidence_url: https://www.sec.gov/Archives/edgar/data/1280452/000143774924014156/0001437749-24-014156-index.htm

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