---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-003024"
form_type: "8-K"
ticker: "MPWR"
cik: "0001280452"
company_name: "MONOLITHIC POWER SYSTEMS INC"
filed_at: "2025-02-06T23:59:59+00:00"
generated_at: "2026-05-27T01:28:39.439871+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# MPS reports FY2024 revenue up 21.2% YoY; raises dividend; authorizes $500M buyback

## Summary
- FY2024 revenue $2.21B (+21.2% YoY); Q4 revenue $621.7M (record, +36.9% YoY).
- Non-GAAP diluted EPS $14.12 (FY2024) vs $11.78; Q4 non-GAAP EPS $4.09 vs $2.88.
- GAAP net income $1.8B includes $1.3B one-time foreign tax benefit; operating income $539.4M.
- Quarterly dividend raised 24.8% to $1.56/share from $1.25; payable April 15, 2025.
- Board approved new $500M stock repurchase program expiring February 4, 2028.

## SEC filing metadata
- accession: 0001437749-25-003024
- form_type: 8-K
- ticker: MPWR
- cik: 0001280452
- company_name: MONOLITHIC POWER SYSTEMS INC
- filed_at: 2025-02-06T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1280452/000143774925003024/0001437749-25-003024-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1280452/000143774925003024/mpwr20241112c_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-003024
- JSON: https://secwatch.observer/filing/0001437749-25-003024.json
- Plain text: https://secwatch.observer/filing/0001437749-25-003024.txt

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