Markwayne Mullin bought Monolithic Power Systems Inc (NASDAQ: MPWR)
Markwayne Mullin bought MPWR · disclosed March 2, 2026
Markwayne Mullin, a OK Senate member representing District N/A, purchased $15,001 - $50,000 of Monolithic Power Systems Inc (MPWR) on February 4, 2026. Filings associated with Markwayne Mullin disclosed 2 other MPWR transactions (2 purchases) in the 12 months before this trade. Shares of MPWR have risen 28.6% since the first observed purchase on January 5, 2026. The filing was publicly disclosed on March 2, 2026; a direct filing link is not available in the current data record.
Follow this and other congressional disclosures on the Quantellect congress trading dashboard. For Markwayne Mullin's complete filing history, visit Markwayne Mullin's full trade history. Browse all trading members of Congress tracked by Quantellect.
Key points
- Analyst ratings on MPWR break down as 0 strong buy, 8 buy, 1 hold, 0 sell, 0 strong sell.
- MPWR carries a Risk Score of 85 as of September 4, 2026. On this scale, a higher score means a lower risk surface.
- Markwayne Mullin bought MPWR in the amount range of $15,001 - $50,000 on February 4, 2026, filed under the STOCK Act.
- The filing lists Joint as the transaction owner and was disclosed 26 days after the trade.
- The asset description in the filing reads 'Monolithic Power Systems, Inc. - Common Stock.'
- Filings associated with Markwayne Mullin disclosed 2 other MPWR transactions (2 purchases) in the 12 months before this trade.
- Shares of MPWR have risen 28.6% since the first observed purchase on January 5, 2026.
- MPWR carried a Q Score of 32.5 in its equity peer group as of September 4, 2026.
- MPWR carried a Squeeze Score of 23 as of September 8, 2026.
Did Markwayne Mullin buy or sell MPWR?
The Periodic Transaction Report covers a single purchase involving MPWR on February 4, 2026. The filed amount range is $15,001 - $50,000. The asset description reads 'Monolithic Power Systems, Inc. - Common Stock', as submitted by the filer. The report was submitted on March 2, 2026. Under the STOCK Act, covered transactions generally must be reported within 30 days of receiving notice and no later than 45 days after the transaction.
| Politician | Action | Ticker | Amount | Trade date | Filed |
|---|---|---|---|---|---|
| Markwayne Mullin (Senate) | Buy | MPWR | $15,001 - $50,000 | February 4, 2026 | March 2, 2026 |
What other MPWR trades has Markwayne Mullin disclosed in the past 12 months?
Filings associated with Markwayne Mullin disclosed 2 other MPWR transactions (2 purchases) in the 12 months before this trade.
| Trade date | Action | Owner | Amount | Filing |
|---|---|---|---|---|
| January 5, 2026 | Buy | Spouse | $15,001 - $50,000 | Filing unavailable |
| January 5, 2026 | Buy | Self | $15,001 - $50,000 | Filing unavailable |
What does the filing show, and what does it not show?
The filing reports a purchase involving MPWR by Markwayne Mullin in the amount range of $15,001 - $50,000, with Joint listed as the owner. It does not establish Markwayne Mullin's total holdings in MPWR, any realized profit or loss, the reasons for the transaction, or any committee connection. The asset description reads 'Monolithic Power Systems, Inc. - Common Stock', as submitted by the filer; that label is reproduced without adding a legal or regulatory interpretation. Quantellect's current profile data does not identify Markwayne Mullin's committee assignments, so this article draws no connection between the trade and any legislative jurisdiction. Filings associated with Markwayne Mullin disclosed 2 other MPWR transactions (2 purchases) in the 12 months before this trade. Quantellect tracks how disclosed purchases have performed, but does not treat corporate actions as buys or sells.
Who else in Congress traded MPWR?
Quantellect's current database lists these recent MPWR disclosures by other members. Owner labels come from the native filing row; an official filing link appears only when it is available in the source data.
| Member | Party | Action | Amount | Disclosed |
|---|---|---|---|---|
| Rohit Khanna Dependent child | D House | Buy | $1,001 - $15,000 | August 7, 2026Filing unavailable |
| Rohit Khanna Dependent child | D House | Buy | $1,001 - $15,000 | July 6, 2026Filing unavailable |
| Byron Donalds Spouse | R House | Sell | $1,001 - $15,000 | July 15, 2026Filing unavailable |
| Byron Donalds Self | R House | Sell | $1,001 - $15,000 | July 15, 2026Filing unavailable |
| Rohit Khanna Dependent child | D House | Buy | $15,001 - $50,000 | June 9, 2026Filing unavailable |
How has Markwayne Mullin's disclosed trading performed?
A current measured Q Score is not available for this member. Quantellect does not infer performance where the scored-trade projection lacks coverage.
All Markwayne Mullin MPWR trades
| Traded | Type | Size | Return | Est. profit | |
|---|---|---|---|---|---|
| February 4, 2026 | Buy | $15,001 - $50,000 | +7.87% | +$3K | |
| January 5, 2026 | Buy | $15,001 - $50,000 | +28.41% | +$9K | |
| January 5, 2026 | Buy | $15,001 - $50,000 | +28.41% | +$9K |
Estimated profit is shown for buys only, marked to the latest close. It is an estimate and does not net later sells, taxes, or fees.
Frequently asked questions
Did Markwayne Mullin buy or sell MPWR?
According to the disclosure, Markwayne Mullin purchased MPWR on February 4, 2026.
What amount was reported for the MPWR transaction?
The disclosure reports $15,001 - $50,000 for the purchase. Filed amounts are ranges, not exact transaction values.
When did the transaction occur, and when was it disclosed?
The transaction is dated February 4, 2026, and it was disclosed on March 2, 2026.
Where can I see Markwayne Mullin's other congressional trades?
Quantellect lists Markwayne Mullin's complete disclosed trade history on the member profile. Markwayne Mullin's trade history
Is congressional stock trading legal?
The STOCK Act does not impose a blanket ban on members holding or trading individual securities. It requires public disclosure of covered transactions, generally within 30 days of receiving notice and no later than 45 days after the transaction. Other laws and chamber rules may also apply. STOCK Act
Is Congress exempt from insider trading laws?
No. The STOCK Act expressly affirms that members and congressional employees are not exempt from federal insider-trading prohibitions and owe a duty arising from their positions. Public disclosure is a separate obligation and does not shield a trade from those laws. STOCK Act
How quickly must members of Congress disclose a trade?
Under the STOCK Act, a covered transaction generally must be reported on a Periodic Transaction Report within 30 days of receiving notice and no later than 45 days after the transaction. House Ethics guidance describes the reporting schedule and applicable late-filing fee. House Ethics PTR guidance
How is net worth reported in these disclosures?
It is not. STOCK Act filings report transaction and asset ranges, not a complete or real-time net worth. Quantellect does not estimate a member's net worth from these filings; any third-party estimate is not part of the official disclosure. STOCK Act
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Trades reflect disclosures filed under the STOCK Act and are provided for informational purposes only, not investment advice. Amounts are ranges from official filings; estimated prices and post-trade returns are derived from end-of-day market data and may be revised as filings are amended.