THE REFS BET
The refs bet. We keep score.

MPWR — Monolithic Power Systems, Inc. - Common Stock (MPWR)

Every disclosed congressional transaction in this security, both parties, every chamber. Each row links to the filing it came from.

Transactions 13 
Members involved 5 
Buys 4 
Sells 9 

Instant Replay

13 trades · 58 committee-days

Adjusted closing price with every disclosed transaction (▲ buy / ▼ sell) and the committee activity in this security's sector within 30 days. A highlighted event line means a member who traded this security sat on that committee. Proximity is shown, not causation.

Hover the chart for prices, trades, and committee activity.

Transactions

DateMemberActionAmount (as filed)OwnerFiling
2026-06-05 Byron Donalds R-FL sell $1,001 – $15,000 self
2026-06-05 Byron Donalds R-FL sell $1,001 – $15,000 spouse
2025-10-20 Michael Guest R-MS buy $1,001 – $15,000 child
2025-04-08 Robert P. Bresnahan, Jr. R-PA buy $1,001 – $15,000 self
2025-01-13 Robert P. Bresnahan, Jr. R-PA sell $1,001 – $15,000 joint
2024-05-03 Tommy Tuberville R-AL sell $1,001 – $15,000 joint
2023-10-17 Tommy Tuberville R-AL buy $1,001 – $15,000 joint
2023-04-03 Tommy Tuberville R-AL sell $1,001 – $15,000 joint
2023-04-03 Tommy Tuberville R-AL sell $1,001 – $15,000 joint
2023-04-03 Tommy Tuberville R-AL sell $1,001 – $15,000 joint
2023-04-03 Tommy Tuberville R-AL sell $1,001 – $15,000 joint
2021-09-30 Tommy Tuberville R-AL buy $1,001 – $15,000 joint
2019-06-24 Donna E. Shalala D-FL sell $1,001 – $15,000 self

Prices are market data (split- and dividend-adjusted closes), used only for context — every disclosure fact on this page comes from the filings linked in the table above. See Methodology.