MPWRMonolithic Power Systems, Inc. - Common Stock

7 members of Congress disclosed 19 transactions in MPWR between Dec 18, 2015 and Jun 5, 2026.

Transactions

9 buys · 10 sells

Members

~$226K

Est. volume

1D / 6R

Party split

distinct members

Who traded it

Member	Trades	Buys / Sells	Est. volume
Markwayne MullinR-OK	3	3 / 0	~$98K
Tommy TubervilleR-AL	8	2 / 6	~$64K
Byron DonaldsR-FL	2	0 / 2	~$16K
Robert P. Bresnahan, Jr.R-PA	2	1 / 1	~$16K
James B. RenacciR-OH	2	2 / 0	~$16K
Michael GuestR-MS	1	1 / 0	~$8K
Donna E. ShalalaD-FL	1	0 / 1	~$8K

Transactions

Member	Type	Amount	Traded	Disclosed	Source
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Selljoint	~$8K $1,001–$15,000	May 3, 2024	Aug 5, 2026 824d · late	filing
Byron Donalds, RepublicanByron DonaldsR-FL	Sell (part)	~$8K $1,001–$15,000	Jun 5, 2026	Jul 15, 2026 40d	filing
Byron Donalds, RepublicanByron DonaldsR-FL	Sell (part)spouse	~$8K $1,001–$15,000	Jun 5, 2026	Jul 15, 2026 40d	filing
Markwayne Mullin, RepublicanMarkwayne MullinR-OK	Buyjoint	~$33K $15,001–$50,000	Feb 4, 2026	Mar 2, 2026 26d	filing
Markwayne Mullin, RepublicanMarkwayne MullinR-OK	Buy	~$33K $15,001–$50,000	Jan 5, 2026	Feb 4, 2026 30d	filing
Markwayne Mullin, RepublicanMarkwayne MullinR-OK	Buyspouse	~$33K $15,001–$50,000	Jan 5, 2026	Feb 4, 2026 30d	filing
Michael Guest, RepublicanMichael GuestR-MS	Buychild	~$8K $1,001–$15,000	Oct 20, 2025	Nov 19, 2025 30d	filing
Robert P. Bresnahan, Jr., RepublicanRobert P. Bresnahan, Jr.R-PA	Buy	~$8K $1,001–$15,000	Apr 8, 2025	May 8, 2025 30d	filing
Robert P. Bresnahan, Jr., RepublicanRobert P. Bresnahan, Jr.R-PA	Selljoint	~$8K $1,001–$15,000	Jan 13, 2025	Feb 13, 2025 31d	filing
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Selljoint	~$8K $1,001–$15,000	May 3, 2024	Jun 14, 2024 42d	filing
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Buyjoint	~$8K $1,001–$15,000	Oct 17, 2023	Nov 16, 2023 30d	filing
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Sell (part)joint	~$8K $1,001–$15,000	Apr 3, 2023	May 12, 2023 39d	filing
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Sell (part)joint	~$8K $1,001–$15,000	Apr 3, 2023	May 12, 2023 39d	filing
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Sell (part)joint	~$8K $1,001–$15,000	Apr 3, 2023	May 11, 2023 38d	filing
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Sell (part)joint	~$8K $1,001–$15,000	Apr 3, 2023	May 11, 2023 38d	filing
Tommy Tuberville, RepublicanTommy TubervilleR-AL	Buyjoint	~$8K $1,001–$15,000	Sep 30, 2021	Oct 15, 2021 15d	filing
Donna E. Shalala, DemocratDonna E. ShalalaD-FL	Sell	~$8K $1,001–$15,000	Jun 24, 2019	Apr 27, 2020 308d · late	filing
James B. Renacci, RepublicanJames B. RenacciR-OH	Buyjoint	~$8K $1,001–$15,000	Apr 1, 2016	Apr 19, 2016 18d	filing
James B. Renacci, RepublicanJames B. RenacciR-OH	Buyjoint	~$8K $1,001–$15,000	Dec 18, 2015	Jan 6, 2016 19d	filing

Disclosures are filed up to 45 days after a trade, so this is a record rather than a signal. Amounts are bracket midpoints. Symbols are recorded as they existed on the trade date and mapped forward where a company was renamed.