Filings monitor · MPWR

What MONOLITHIC POWER SYSTEMS, INC.'s SEC filings said

10-Q for 2026Q3, filed 3 Nov 2026. Each line is something a filing stated, ranked by score and linked to its source.

Ranked highest

1. Capital Return Program83 · importance in its document · 8-K exhibit · 29 Oct 2026
   MPS repurchased $453.4 million of its stock in Q3 2026, compared with $4.0 million in Q2. In October 2026, the board authorized an additional $500 million for repurchases. The new authorization brought the company’s total current…
2. AI Infrastructure Demand81 · importance in its document · 8-K exhibit · 29 Oct 2026
   Enterprise Data revenue was $506.7 million, up 164.6% year over year and 33.2% sequentially, representing 42.1% of Q3 revenue. The sequential increase reflected higher sales of MPS power-management solutions for AI and server…
3. Revenue Performance and Mix75 · importance in its document · 10-Q · 2026Q3
   Third-quarter 2026 revenue increased 63.1% year over year to $1,202.4 million; nine-month revenue increased 46.5% to $2,987.2 million. Enterprise Data revenue rose 164.6% to $506.7 million in the quarter and 145.6% to $1,150.1 million for…
4. AI Infrastructure Demand75 · importance in its document · 10-Q · 2026Q3
   Enterprise Data revenue increased 164.6% for the nine months ended September 30, 2026, primarily because of higher sales of power-management solutions for AI and server applications. For the three months ended September 30, 2026,…
5. U.S. Tax Law Changes71 · importance in its document · 10-Q · 2026Q3
   MPS reported income tax expense of $95.6 million for the three months and $213.9 million for the nine months ended September 30, 2026, with effective tax rates of 26.1% and 22.9%, respectively. The comparable 2025 rates were 12.6% and…

Ranked by score, 0–100. A topic read from a document carries its importance within that document; an 8-K event carries the rule score that ranks a filing among filings. Neither is about the share price, and the two scales are named on each row because they are not the same measure.

Latest report: 10-Q · 2026Q3 filed 3 Nov 2026

Full report · Filing on EDGAR

• Revenue Performance and MixImportance 75
  Third-quarter 2026 revenue increased 63.1% year over year to $1,202.4 million; nine-month revenue increased 46.5% to $2,987.2 million. Enterprise Data revenue rose 164.6% to $506.7 million in the quarter and 145.6% to…
• AI Infrastructure DemandImportance 75
  Enterprise Data revenue increased 164.6% for the nine months ended September 30, 2026, primarily because of higher sales of power-management solutions for AI and server applications. For the three months ended…
• U.S. Tax Law ChangesImportance 71 · +1 more on this subject
  MPS reported income tax expense of $95.6 million for the three months and $213.9 million for the nine months ended September 30, 2026, with effective tax rates of 26.1% and 22.9%, respectively. The comparable 2025…
• Capital Return ProgramImportance 58
  The board increased the stock repurchase authorization by $500.0 million in July 2026, adding to the $500.0 million program approved in February 2025 and extending through February 2028. MPS repurchased 362,000 shares…
• End-Market Demand TrendsImportance 57
  Demand also strengthened in Communications and Automotive: third-quarter 2026 revenue increased 134.7% and 19.2%, respectively, year over year. Communications growth reflected higher sales of power solutions for…
• Research and Development ExpenseImportance 57
  Third-quarter 2026 R&D expense rose 43.2% to $140.6 million from $98.2 million, while declining as a share of revenue to 11.7% from 13.3%. The quarterly increase of $42.4 million primarily reflected $21.7 million more…
• Operating Expense TrendsImportance 57
  Third-quarter 2026 SG&A expense increased 48.2% to $167.3 million from $112.9 million, but declined to 13.9% of revenue from 15.3%. The quarterly $54.4 million increase was primarily driven by $31.7 million more…
• Geographic Revenue ConcentrationImportance 54
  Direct-customer sales in Asia represented 93% of total revenue in the third quarter of 2026, compared with 91% in the third quarter of 2025. Asia also accounted for 93% of revenue for both the nine months ended…
• Distribution ChannelsImportance 54
  MPS derives most revenue through distribution arrangements and direct sales to customers in Asia, where its products are incorporated into end-user products. Revenue from direct customers in Asia was 93% of total…
• Purchase Commitments and ObligationsImportance 49
  At September 30, 2026, estimated future unconditional purchase commitments to suppliers and other parties totaled $767.3 million, of which $730.1 million was due within one year. The commitments primarily covered…
• Liquidity and Cash PositionImportance 47
  At September 30, 2026, cash and cash equivalents were $560.5 million and short-term investments were $530.7 million, totaling $1,091.2 million, down from $1,256.5 million at December 31, 2025. Foreign subsidiaries held…
• Operating Cash Flow TrendsImportance 42
  Net cash provided by operating activities was $768.1 million for the nine months ended September 30, 2026, up $34.8 million from $733.3 million in the same 2025 period. The increase primarily reflected higher cash…

Capital spending check: Capital spending up sharply (Flagged, rule score 55).

8-K filings last 12 months

• New CFO named · Results, no stated guidance change29 Oct 2026 · 8-K Items 2.02, 5.02 · Routine · rule score 35
  “On October 27, 2026, the Board of Directors of the Company (“the Board”) appointed Tony Balow, age 56, as Vice President, Chief Financial Officer, effective immediately.”
  Read from the attached exhibit: Capital Return Program · AI Infrastructure Demand · Guidance / Outlook
• Press release attached to an 8-K10 Sept 2026 · 8-K
  Read from the attached exhibit: Quarterly Dividend Declaration
• Results (release not read)30 Jul 2026 · 8-K Item 2.02 · Routine · rule score 20
• Results (release not read)30 Apr 2026 · 8-K Item 2.02 · Routine · rule score 20
• Restatement: prior financials can no longer be relied on27 Feb 2026 · 8-K Item 4.02 · Flagged · rule score 95
• Management change (filing not read) · Results (release not read)5 Feb 2026 · 8-K Items 2.02, 5.02 · Routine · rule score 20

Earlier reports

• 10-Q · 2026Q2filed 5 Aug 2026
  AI Infrastructure Demand · End-Market Demand Trends · Income Tax Rate Changes

Topics are read from the text of the 10-K, 10-Q or the exhibit attached to an 8-K, each linked to the passage it came from. 8-K events are labelled by fixed rules from the item codes and the filing text — the same rules for every company and every year. The Full Picture merges these with earnings calls and news.