# MPWR: Monolithic Power Systems, Inc.

- Industry: Semiconductors & Related Devices
- Current price: $1,217.8
- Price updated: Sep 19, 2026
- Total congressional trades: 9
- Politicians trading: 5
- Last traded: Jul 27, 2026
- Source: https://tryglasshouse.ai/companies/MPWR.md

Monolithic Power Systems is an analog and mixed-signal chipmaker specializing in power management solutions. Its mission is to reduce total energy consumption in end systems. It serves the computing, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.

# Congressional trading history

- Page: 1 of 1
- Results: 9 of 9
- Pagination query parameter: `page`

## 1. Ro Khanna

- Member: Democrat, House
- Transaction: Buy, $1,001 - $15,000
- Dates: traded Jul 27, 2026, disclosed Aug 7, 2026
- Market context: $1,339.08 at trade, $1,217.8 current (-9.06%)
- Politician: https://tryglasshouse.ai/politicians/K000389.md
- Record: https://tryglasshouse.ai/trades/0e218558-b574-4f9c-8398-038e5cb1bd41.md

## 2. Byron Donalds

- Member: Republican, House
- Transaction: Sell, $1,001 - $15,000
- Dates: traded Jun 5, 2026, disclosed Jul 15, 2026
- Market context: $1,481.05 at trade, $1,217.8 current (-17.77%)
- Politician: https://tryglasshouse.ai/politicians/D000032.md
- Record: https://tryglasshouse.ai/trades/48c12028-2043-450b-9e0a-3db462f5df3c.md

## 3. Byron Donalds

- Member: Republican, House
- Transaction: Sell, $1,001 - $15,000
- Dates: traded Jun 5, 2026, disclosed Jul 15, 2026
- Market context: $1,481.05 at trade, $1,217.8 current (-17.77%)
- Politician: https://tryglasshouse.ai/politicians/D000032.md
- Record: https://tryglasshouse.ai/trades/b51e985b-b36c-42bc-8cf7-db7271794269.md

## 4. Markwayne Mullin

- Member: Republican, Senate
- Transaction: Buy, $15,001 - $50,000
- Dates: traded Feb 4, 2026, disclosed Mar 2, 2026
- Market context: $1,136.83 at trade, $1,217.8 current (+7.12%)
- Politician: https://tryglasshouse.ai/politicians/M001190.md
- Record: https://tryglasshouse.ai/trades/9174b829-f6e3-43b3-97ec-771b3b566e5f.md

## 5. Markwayne Mullin

- Member: Republican, Senate
- Transaction: Buy, $15,001 - $50,000
- Dates: traded Jan 5, 2026, disclosed Feb 4, 2026
- Market context: $955.03 at trade, $1,217.8 current (+27.51%)
- Politician: https://tryglasshouse.ai/politicians/M001190.md
- Record: https://tryglasshouse.ai/trades/4bcde739-5a50-4932-b924-eed6a9f7cce5.md

## 6. Markwayne Mullin

- Member: Republican, Senate
- Transaction: Buy, $15,001 - $50,000
- Dates: traded Jan 5, 2026, disclosed Feb 4, 2026
- Market context: $955.03 at trade, $1,217.8 current (+27.51%)
- Politician: https://tryglasshouse.ai/politicians/M001190.md
- Record: https://tryglasshouse.ai/trades/6448fb20-16a9-4927-a9e1-7040e4ef8b1e.md

## 7. Michael Guest

- Member: Republican, House
- Transaction: Buy, $1,001 - $15,000
- Dates: traded Oct 20, 2025, disclosed Nov 19, 2025
- Market context: $1,031.59 at trade, $1,217.8 current (+18.05%)
- Politician: https://tryglasshouse.ai/politicians/G000591.md
- Record: https://tryglasshouse.ai/trades/2d0c4304-6d3f-4adc-bb63-108e7e9106a2.md

## 8. Robert Bresnahan

- Member: Republican, House
- Transaction: Buy, $1,001 - $15,000
- Dates: traded Apr 8, 2025, disclosed May 8, 2025
- Market context: $455.19 at trade, $1,217.8 current (+167.54%)
- Politician: https://tryglasshouse.ai/politicians/B001327.md
- Record: https://tryglasshouse.ai/trades/d9981bb9-2a87-4ef6-b038-aabd35186e87.md

## 9. Robert Bresnahan

- Member: Republican, House
- Transaction: Sell, $1,001 - $15,000
- Dates: traded Jan 13, 2025, disclosed Feb 13, 2025
- Market context: $587.35 at trade, $1,217.8 current (+107.34%)
- Politician: https://tryglasshouse.ai/politicians/B001327.md
- Record: https://tryglasshouse.ai/trades/86c6cb7f-7915-4803-bc8c-801aab538b12.md



Prices and percentage changes are market context, not portfolio returns. This information is not financial advice.