MPWR (Monolithic Power Systems, Inc.): Congressional Trading Activity
Who traded MPWR?
MPWR (Monolithic Power Systems, Inc.) appears in 17 STOCK Act disclosures from 7 filers (7 purchases, 10 sales), most recently Byron Donalds on Jun 5, 2026.
- Byron Donalds — 2 trades, last on Jun 5, 2026
- Markwayne Mullin — 2 trades, last on Apr 16, 2026
- Markwayne Mullin — 3 trades, last on Feb 4, 2026
- Michael Patrick Guest — 1 trade, last on Oct 20, 2025
- Rob Bresnahan — 2 trades, last on Apr 8, 2025
- Thomas H Tuberville — 6 trades, last on May 3, 2024
- Donna Shalala — 1 trade, last on Jun 24, 2019
Disclosed trades
| Filer | Trade date | Type | Amount |
|---|---|---|---|
| Byron Donalds | Jun 5, 2026 | Sale (Partial) | $1,001 - $15,000 |
| Byron Donalds | Jun 5, 2026 | Sale (Partial) | $1,001 - $15,000 |
| Markwayne Mullin | Apr 16, 2026 | Sale (Full) | $15,001 - $50,000 |
| Markwayne Mullin | Apr 15, 2026 | Sale (Full) | $50,001 - $100,000 |
| Markwayne Mullin | Feb 4, 2026 | Purchase | $15,001 - $50,000 |
| Markwayne Mullin | Jan 5, 2026 | Purchase | $15,001 - $50,000 |
| Markwayne Mullin | Jan 5, 2026 | Purchase | $15,001 - $50,000 |
| Michael Patrick Guest | Oct 20, 2025 | Purchase | $1,001 - $15,000 |
| Rob Bresnahan | Apr 8, 2025 | Purchase | $1,001 - $15,000 |
| Rob Bresnahan | Jan 13, 2025 | Sale (Full) | $1,001 - $15,000 |
| Thomas H Tuberville | May 3, 2024 | Sale (Full) | $1,001 - $15,000 |
| Thomas H Tuberville | May 3, 2024 | Sale (Full) | $1,001 - $15,000 |
| Thomas H Tuberville | Oct 17, 2023 | Purchase | $1,001 - $15,000 |
| Thomas H Tuberville | Apr 3, 2023 | Sale (Partial) | $1,001 - $15,000 |
| Thomas H Tuberville | Apr 3, 2023 | Sale (Partial) | $1,001 - $15,000 |
| Thomas H Tuberville | Sep 30, 2021 | Purchase | $1,001 - $15,000 |
| Donna Shalala | Jun 24, 2019 | Sale (Full) | $1,001 - $15,000 |