MPWR
Monolithic Power Systems, Inc. · Technology · Semiconductors
TECHStrong BuyZACKSBuy
R500#5 today
$1,439.73
+5.79% today · +5.44% 1W
Oct 2 close or latest
PreviewWhy it's moving
Outperforming without a clear catalyst yet
- MPWR +5.79% on the last session vs SPY +0.74%: +5.0 pts of stock-specific move.
- Aftermath, big gain (Oct 2): After its 63 big gains in the past 5 years, MPWR typically gained 1.2% over the next month (median) and was higher 56% of the time; half the outcomes fell between -5.0% and +10.2%. An ordinary month: +1.9%. Among S&P 500 stocks after big gains, that ranks #250 of 500.
- Market backdrop (Fri): Average Hourly Earnings m/m 0.1% vs 0.3% expected (cooler); Non-Farm Employment Change 29K vs 89K expected (weaker); S&P futures +0.41%, 10-year yield -5bp in the 30 minutes after.
Assembled from Wallsti's own signals.
Insiders · 1 month
none
no open-market trades
Insiders · 3 months
none
no open-market trades
Congress · 3 months
none
no reported trades
Congress · 1 year
≈+$57K
3 buys · 2 sells · 3 members
Insiders
No insider buys or sales on record for MPWR.
Officers, directors and 10% owners file SEC Form 4 within two business days. Unplanned: the insider chose to trade now, the trades worth attention; their dollars make the net above. 10b5-1 plan: scheduled in advance, kept for the record. Tax: shares withheld on vesting stock, not a market trade. Awards, option exercises and gifts are left out. Source: SEC EDGAR, collected daily for the stocks discussed on Reddit.
Congress
| Trade date | Member | Chamber | Side | Amount | Disclosed |
|---|---|---|---|---|---|
| Jun 5, 2026 | Byron Donalds | House | Sell | $1K–$15K | Jul 15 |
| Jun 5, 2026 | Byron Donalds | House | Sell | $1K–$15K | Jul 15 |
| Feb 4, 2026 | Markwayne Mullin | Senate | Buy | $15K–$50K | Mar 2 |
| Jan 5, 2026 | Markwayne Mullin | Senate | Buy | $15K–$50K | Feb 4 |
| Oct 20, 2025 | Michael Patrick Guest | House | Buy | $1K–$15K | Nov 19 |
Members of Congress report trades within 45 days of the trade date, so these are never real-time. Amounts are disclosed as ranges; the net uses each range's midpoint (≈). Source: House and Senate periodic transaction reports via CongressInvests, refreshed daily. All recent insider and congressional trades