Monolithic Power Systems 8-K

PositiveEarningsCEO/CFO changeNew guidance

AI and server power-management demand drives record $1.20B revenue; Q4 revenue guided to $1.315B–$1.385B.

Filed 2026-10-29 16:01 ET

Summary

Q3 2026 results with Q4 outlook and finance leadership appointments. MPS reported record quarterly revenue above $1B for the first time, driven chiefly by demand for power-management solutions in enterprise data and communications. Effective 10/27/2026, Tony Balow, previously VP of Finance, became CFO; Robert Dean, previously interim CFO and corporate controller, became chief accounting officer.

Key Figures

Metric Q3 2026 9M 2026
Revenue $1.20B, +63.1% Y/Y $2.99B, +46.5% Y/Y
GAAP gross margin 55.4%, vs 55.1% 55.3%, vs 55.2%
Non-GAAP gross margin 55.7%, vs 55.5% 55.6%, vs 55.5%
GAAP operating income $358M, +83.3% Y/Y $903M, +70.7% Y/Y
Non-GAAP operating income $464M, +78.2% Y/Y $1.12B, +57.0% Y/Y
GAAP net income $271M, +50.8% Y/Y $722M, +60.4% Y/Y
Non-GAAP net income $403M, +77.3% Y/Y $974M, +56.3% Y/Y
GAAP diluted EPS $5.51, +47.3% Y/Y $14.66, +56.5% Y/Y
Non-GAAP diluted EPS $8.19, +73.2% Y/Y $19.79, +52.5% Y/Y
Operating cash flow $290M, +21.1% Y/Y —
  • Enterprise Data revenue rose 164.6% Y/Y to $506.7M, or 42.1% of sales, on AI and server power-management solutions. Communications revenue grew 134.7% Y/Y to $187.4M, led by optical-module and switch solutions.
  • Revenue increased sequentially across all end markets except Storage and Computing, which declined 3.8% Q/Q to $192.2M. Automotive revenue was $180.7M, up 19.2% Y/Y; MPS cited higher sales of advanced driver-assistance systems power solutions.
  • MPS repurchased $453.4M of stock in Q3 vs $4.0M in Q2. Cash, cash equivalents and short-term investments were $1.09B at quarter-end, down from $1.41B at Q2-end. Common shares issued and outstanding were 48.792M vs 48.709M at 12/31/2025.

Against earlier guidance (derived from earlier filings)

MetricPeriodEarlier guidanceActualResult
RevenueQ3 2026$1.14B-$1.16B$1.20Bbeat
Gross margin, GAAPQ3 202655.2%-55.8%55.4%in line
Gross margin, non-GAAPQ3 202655.4%-56.0%55.7%in line

Guidance

Metric Period Guidance Prior Direction
Revenue Q4 2026 $1.315B-$1.385B — —
GAAP gross margin Q4 2026 55.2%-55.8% — —
Non-GAAP gross margin Q4 2026 55.5%-56.1% — —
Stock-based compensation and related expenses Q4 2026 $121M-$125M — —
GAAP operating expenses Q4 2026 $334M-$342M — —
Non-GAAP operating expenses Q4 2026 $216.8M-$220.8M — —
Interest and other income, before foreign exchange gains or losses Q4 2026 $7.8M-$8.2M — —
Non-GAAP tax rate FY2026 15% — —
Fully diluted shares outstanding Q4 2026 48.9M-49.3M — —
Annual revenue capacity support By H2 2027; longer-term $8B by H2 2027; on the way to $10B — —
Guidance changes, derived from earlier filings
MetricPeriodEarlier guidanceGuidance nowChange
Non-GAAP tax rateFY202615%15%reaffirmed

Investor Takeaways

  • Q4 revenue within the $1.315B-$1.385B outlook would extend the sharp growth reported in Q3.
  • MPS expects strong demand from existing enterprise data customers into 2027; continued enterprise data growth and progress toward $8B of annual revenue capacity support are key indicators to watch.
  • In Automotive, watch for design wins in 48V and zonal architectures and the 2027 growth contribution MPS expects from those solutions, alongside ramps of robotics products and a large data-converter design win.

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Model 005 · prompt v111 · 2026-10-29 22:47:29Z

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