Monolithic Power Systems Inc (MPWR) Insider Trading

Total insider buys:
  • $0.00
Total insider sells:
  • $1,299,017,950.84
Most recent insider trade:
  • Sept. 2, 2025
Most active insider trader:
  • Michael Hsing
Trader NameDateTitleAmountPriceTypeTotal Value
Aug. 10, 2012CEO10,423$20.62Sell$214,922.26
Aug. 10, 2012Director20,000$21.08Sell$421,600.00
Aug. 9, 2012Insider41,329$20.90Sell$863,776.10
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  • Insiders are selling Monolithic Power Systems Inc stock.

  • The insider traders at Monolithic Power Systems Inc are: Michael Hsing, Deming Xiao, Theodore Blegen, Maurice Sciammas, Saria Tseng, James C Moyer, Meera Rao, Jeff Zhou, Kuo Wei Herbert Chang, James Moyer, Victor K Lee, James C. Moyer, Victor K. Lee, Pilkington Karen Smith-, Pilkington Karen A Smith-, Douglas Mcburnie, and Victor Lee

  • The most active insider trader at Monolithic Power Systems Inc is Michael Hsing with 147 trades.

  • Michael Hsing has sold the most Monolithic Power Systems Inc stock with a total value of $543,931,184.02.

  • The most recent insider trade for Monolithic Power Systems Inc was on Sept. 2, 2025.

  • The single biggest insider sell for Monolithic Power Systems Inc was from Michael Hsing with a total value of $34,203,493.56 on Jan. 4, 2024.