MPWR 10-Q filed 2026-11-03 | Key takeaways
MPWR filed its 10-Q; the most relevant disclosure change is expanded Revenue concentration: Q3 2026 distribution arrangement sales represented 91% of total revenue (up from 85% in Q3 2025); nine-month distribution sales were 89% (up from 84%). Customer concentration: Distributor A represented 32% of revenue; Distributor B represented 16% of revenue.
Key takeaways
Customer concentration: Distributor A represented 32% of Q3 2026 revenue (up from 26% in Q3 2025); Distributor B was 16% (down from 18%); Distributor D entered the 10%+ customer list at 11%.
Tax rate increase: Effective tax rate rose to 26.1% in Q3 2026 from 12.6% in Q3 2025 due to U.S. federal tax law changes enacted in 2025.
Stock repurchases: The company repurchased 362,000 shares for $453.4 million in Q3 2026, and the board approved an additional $500 million authorization in July 2026 (and again in October 2026).
Subsequent events: Three executive officers (Deming Xiao, Maurice Sciammas, Michael Hsing) terminated Rule 10b5-1 trading plans during Q3; 2026 MPSUs granted in July 2026 include 60,000 non-executive awards (up to 500% payout, $256.7 million compensation cost) and 80,000 executive awards ($312-343 million compensation cost).
Material weakness: Disclosure controls were deemed ineffective due to a previously identified material weakness in internal control over accounting for deferred income taxes; remediation expected by end of fiscal year 2026.
Key metrics
Customer concentration
Disclosure changes
- Revenue concentration
Q3 2026 distribution arrangement sales represented 91% of total revenue (up from 85% in Q3 2025); nine-month distribution sales were 89% (up from 84%).
Higher reliance on distribution channels increases concentration risk with distributor partners. - Stock repurchase program
The board approved an additional $500.0 million increase to the stock repurchase program in July 2026 (and again in October 2026 per Note 13), bringing total authorized to $1.5 billion; $535.9 million remained available as of September 30, 2026.
Expanded repurchase authorization signals strong capital return commitment; Q3 repurchases of $453.4 million were significantly elevated. - Accounts receivable concentration
Distributor A represented 42% of accounts receivable as of September 30, 2026 (up from 35% at December 31, 2025); Value-added reseller A represented 19% (new >10% threshold); Distributor B was 14%.
Increased concentration in top customer for receivables increases credit risk exposure. - Purchase commitments
Total estimated future unconditional purchase commitments were $767.3 million as of September 30, 2026 (up from $571.0 million as of June 30, 2026), with $730.1 million due within one year.
Increased purchase obligations reflect supply chain investments to support growth and manufacturing capacity. - Refundable deposits
Other long-term assets included $80.0 million refundable deposit for long-term assembly service and production capacity agreements as of September 30, 2026 (up from $40.0 million as of June 30, 2026).
Increasing deposits tied to capacity agreements indicate strategic supply chain investments. - Stock rotation reserve
Stock rotation and sales returns reserve was $31.96 million as of September 30, 2026 (including $25.8 million stock rotation reserve), compared to $17.15 million at December 31, 2025.
Increased reserve reflects higher distributor inventory levels and timing of customer returns.
Primary source
TickerStar generated this brief from an official company, investor-relations, earnings-call, or regulatory source. Review the primary material before making an investment decision.
Open SEC filingFollow MPWR in real time
Get material earnings, filing, IR, and earnings-call alerts by email.