USBoard
Person

Deming Xiao

EVP, Global Operations, Monolithic Power Systems

Current S&P 500 boards
0
Current roles
1
Open-market buys
$0
Open-market sales
$312.1M

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

None on record since 2016.

Sits alongside

People who currently share a board or management team with this person.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
May 6, 2026MPWRSale3,329$1,648.38$5.5M
May 6, 2026MPWRSale907$1,661.38$1.5M
May 6, 2026MPWRSale11,597$1,657.93$19.2M
May 6, 2026MPWRSale14,167$1,652.80$23.4M
Feb 6, 2026MPWRSale22,875$1,171.16$26.8M
Aug 1, 2025MPWRSale39,999$780.00$31.2M
Feb 10, 2025MPWRSale662$717.10$475K
Nov 8, 2024MPWRSale866$765.14$663K
Aug 27, 2024MPWRSale9,259$950.00$8.8M
Aug 22, 2024MPWRSale10,000$950.00$9.5M
Aug 8, 2024MPWRSale859$778.39$669K
Jul 22, 2024MPWRSale3,205$831.58$2.7M
May 22, 2024MPWRSale1,300$769.40$1.0M
May 8, 2024MPWRSale869$690.02$600K
Feb 8, 2024MPWRSale859$680.00$584K
Feb 5, 2024MPWRSale982$641.00$629K
Jan 10, 2024MPWRSale10$593.00$6K
Jan 10, 2024MPWRSale930$591.34$550K
Jan 10, 2024MPWRSale30$596.19$18K
Jan 10, 2024MPWRSale3,718$590.37$2.2M
Jan 10, 2024MPWRSale204$594.13$121K
Jan 10, 2024MPWRSale200$592.38$118K
Jan 10, 2024MPWRSale1,757$588.44$1.0M
Jan 10, 2024MPWRSale2,387$589.52$1.4M
Jan 10, 2024MPWRSale1,079$587.84$634K
Jan 10, 2024MPWRSale500$584.39$292K
Jan 10, 2024MPWRSale700$586.21$410K
Jan 4, 2024MPWRSale25,314$583.14$14.8M
Nov 8, 2023MPWRSale859$490.39$421K
Nov 6, 2023MPWRSale982$492.92$484K
Oct 2, 2023MPWRSale4,305$458.30$2.0M
Aug 8, 2023MPWRSale874$530.26$463K
Aug 4, 2023MPWRSale988$526.53$520K
Jul 21, 2023MPWRSale9,615$534.23$5.1M
Jul 3, 2023MPWRSale4,305$537.79$2.3M
May 9, 2023MPWRSale857$409.79$351K
May 4, 2023MPWRSale991$459.60$455K
May 3, 2023MPWRSale3,462$463.55$1.6M
Apr 3, 2023MPWRSale4,360$487.99$2.1M
Feb 15, 2023MPWRSale1,497$530.00$793K
Feb 13, 2023MPWRSale1,639$492.31$807K
Feb 9, 2023MPWRSale2,129$520.00$1.1M
Feb 8, 2023MPWRSale6,922$462.41$3.2M
Feb 6, 2023MPWRSale723$446.88$323K
Jan 24, 2023MPWRSale10,243$430.00$4.4M
Jan 12, 2023MPWRSale2,980$400.00$1.2M
Jan 3, 2023MPWRSale5,528$344.96$1.9M
Nov 15, 2022MPWRSale2,377$408.68$971K
Nov 14, 2022MPWRSale1,385$390.33$541K
Nov 4, 2022MPWRSale982$343.98$338K
Oct 3, 2022MPWRSale4,305$372.60$1.6M
Aug 12, 2022MPWRSale1,633$525.95$859K
Aug 4, 2022MPWRSale984$522.39$514K
Jul 1, 2022MPWRSale4,515$361.58$1.6M
May 27, 2022MPWRSale1,495$457.00$683K
May 24, 2022MPWRSale4,298$392.44$1.7M
May 12, 2022MPWRSale1,679$388.10$652K
May 6, 2022MPWRSale986$453.16$447K
Apr 1, 2022MPWRSale4,420$467.23$2.1M
Feb 14, 2022MPWRSale1,663$429.60$714K
Feb 8, 2022MPWRSale1,700$401.12$682K
Feb 7, 2022MPWRSale7,393$399.28$3.0M
Jan 3, 2022MPWRSale4,305$490.87$2.1M
Nov 30, 2021MPWRSale4,366$560.00$2.4M
Nov 22, 2021MPWRSale427$580.00$248K
Nov 12, 2021MPWRSale1,625$553.42$899K
Nov 8, 2021MPWRSale2,022$548.27$1.1M
Aug 30, 2021MPWRSale4,886$500.00$2.4M
Aug 26, 2021MPWRSale6,495$489.00$3.2M
Aug 19, 2021MPWRSale4,739$462.00$2.2M
Aug 12, 2021MPWRSale1,651$457.10$755K
Aug 9, 2021MPWRSale2,053$459.12$943K
Aug 2, 2021MPWRSale400$457.27$183K
Aug 2, 2021MPWRSale1,000$456.46$456K
Aug 2, 2021MPWRSale3,895$454.40$1.8M
Aug 2, 2021MPWRSale1,200$455.46$547K
Jul 6, 2021MPWRSale7,734$380.00$2.9M
Jul 1, 2021MPWRSale4,305$370.45$1.6M
May 28, 2021MPWRSale2,485$343.76$854K
May 12, 2021MPWRSale1,741$311.83$543K
May 10, 2021MPWRSale2,196$326.41$717K
Apr 1, 2021MPWRSale4,305$364.78$1.6M
Feb 26, 2021MPWRSale3,000$374.00$1.1M
Feb 24, 2021MPWRSale1,000$383.47$383K
Feb 16, 2021MPWRSale5,000$398.00$2.0M
Feb 9, 2021MPWRSale4,092$372.89$1.5M
Feb 5, 2021MPWRSale13,359$366.34$4.9M
Jan 4, 2021MPWRSale4,305$368.26$1.6M
Nov 9, 2020MPWRSale4,441$333.52$1.5M
Nov 6, 2020MPWRSale3,897$356.00$1.4M
Oct 1, 2020MPWRSale4,305$280.50$1.2M
Aug 13, 2020MPWRSale4,917$281.00$1.4M
Aug 10, 2020MPWRSale4,410$274.40$1.2M
Jul 1, 2020MPWRSale4,305$235.16$1.0M
May 8, 2020MPWRSale4,565$208.67$953K
Apr 17, 2020MPWRSale96$185.00$18K
Apr 17, 2020MPWRSale49,065$185.01$9.1M
Apr 1, 2020MPWRSale4,380$162.58$712K
Feb 10, 2020MPWRSale2,327$181.07$421K
Feb 6, 2020MPWRSale18,355$183.75$3.4M

SEC reporting-owner ID (CIK) 1308647 · all filings on EDGAR

Deming Xiao (MPWR) | USBoard