Insiders · MPWR

MPWR insider transactions

Monolithic Power Systems Inc. (MPWR) Form 4 insider transactions - real-time wire coverage of every officer, director, and 10% owner trade.

Recent Form 3, 4, and 5 filings for MPWR

• 4d
  EVP, WW Sales & Marketing Sciammas Maurice sold $46,018 worth of shares (30 units at $1,533.95) as part of a pre-agreed trading plan (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 5d
  EVP, WW Sales & Marketing Sciammas Maurice gifted 12,472 shares (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 9d
  EVP & General Counsel Tseng Saria sold $12,860,500 worth of shares (7,565 units at $1,700.00), decreasing direct ownership by 5% to 144,218 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 10d
  Interim CFO Dean Robert W Ii sold $36,290 worth of shares (22 units at $1,649.56), decreasing direct ownership by 0.37% to 5,878 units (SEC Form 4) (for withholding tax)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 11d
  Director Zhou Jeff sold $816,480 worth of shares (486 units at $1,680.00), decreasing direct ownership by 11% to 3,800 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 11d
  EVP & General Counsel Tseng Saria gifted 200 shares and sold $7,932,150 worth of shares (5,000 units at $1,586.43), decreasing direct ownership by 3% to 151,783 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 18d
  CEO Hsing Michael sold $59,310,169 worth of shares (40,000 units at $1,482.75), decreasing direct ownership by 5% to 848,263 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 18d
  Interim CFO Dean Robert W Ii sold $6,253 worth of shares (4 units at $1,563.28), decreasing direct ownership by 0.07% to 5,900 units (SEC Form 4) (tax withholding)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 19d
  EVP, WW Sales & Marketing Sciammas Maurice sold $18,736,850 worth of shares (12,000 units at $1,561.40) as part of a pre-agreed trading plan, decreasing direct ownership by 7% to 166,644 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 23d
  EVP, WW Sales & Marketing Sciammas Maurice gifted 1,563 shares and received a gift of 1,563 shares (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 23d
  Interim CFO Dean Robert W Ii disposed of 2,156 shares, decreasing direct ownership by 27% to 5,904 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 30d
  Director Elmiger Eugen J sold $19,019,482 worth of shares (12,000 units at $1,584.96), decreasing direct ownership by 69% to 5,402 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 30d
  EVP, Global Operations Xiao Deming sold $49,636,560 worth of shares (30,000 units at $1,654.55), decreasing direct ownership by 13% to 205,959 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 30d
  Director Wynne Eileen sold $530,198 worth of shares (335 units at $1,582.68), decreasing direct ownership by 25% to 1,007 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 32d
  Director Zhou Jeff sold $2,434,283 worth of shares (1,514 units at $1,607.85), decreasing direct ownership by 26% to 4,286 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 32d
  EVP, WW Sales & Marketing Sciammas Maurice sold $601,848 worth of shares (380 units at $1,583.81) (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 32d
  EVP, WW Sales & Marketing Sciammas Maurice sold $47,662 worth of shares (30 units at $1,588.73) as part of a pre-agreed trading plan (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 58d
  SEC Form 4 filed by Tseng Saria

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 60d
  SEC Form 4 filed by Tseng Saria

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 65d
  SEC Form 4 filed by Tseng Saria

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 65d
  SEC Form 4 filed by Sciammas Maurice

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 67d
  SEC Form 4 filed by Tseng Saria

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 75d
  SEC Form 4 filed by Sciammas Maurice

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 90d
  New insider Dean Robert W Ii claimed ownership of 8,125 shares (SEC Form 3)

  3 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 110d
  CEO Hsing Michael sold $38,670,257 worth of shares (33,000 units at $1,171.83), decreasing direct ownership by 4% to 888,234 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 114d
  CEO Hsing Michael sold $39,234,212 worth of shares (33,000 units at $1,188.92), decreasing direct ownership by 3% to 921,234 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 115d
  EVP, WW Sales & Marketing Sciammas Maurice sold $235,995 worth of shares (200 units at $1,179.97) (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 115d
  CEO Hsing Michael sold $38,837,435 worth of shares (34,000 units at $1,142.28), decreasing direct ownership by 3% to 954,234 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 116d
  Director Lee Victor K sold $484,864 worth of shares (400 units at $1,212.16), decreasing direct ownership by 1% to 27,756 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 117d
  EVP, Global Operations Xiao Deming sold $26,790,370 worth of shares (22,875 units at $1,171.16), decreasing direct ownership by 9% to 235,932 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 117d
  EVP & General Counsel Tseng Saria sold $26,790,370 worth of shares (22,875 units at $1,171.16), decreasing direct ownership by 10% to 200,626 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 117d
  EVP, WW Sales & Marketing Sciammas Maurice sold $26,790,370 worth of shares (22,875 units at $1,171.16), decreasing direct ownership by 11% to 178,625 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 117d
  EVP and CFO Blegen Theodore sold $25,443,531 worth of shares (21,725 units at $1,171.16), decreasing direct ownership by 21% to 82,353 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 117d
  CEO Hsing Michael sold $64,323,824 worth of shares (54,923 units at $1,171.16), decreasing direct ownership by 5% to 988,234 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  Director Wynne Eileen was granted 189 shares, increasing direct ownership by 16% to 1,342 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  Director Zhou Jeff was granted 189 shares, increasing direct ownership by 3% to 5,800 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  Director Chang Kuo Wei Herbert was granted 189 shares, increasing direct ownership by 44% to 615 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  Director Elmiger Eugen J was granted 189 shares, increasing direct ownership by 1% to 17,402 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  Director Lee Victor K was granted 189 shares, increasing direct ownership by 0.68% to 28,156 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  Director Martinez Carintia was granted 189 shares, increasing direct ownership by 22% to 1,067 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  EVP, Global Operations Xiao Deming was granted 57,170 shares, increasing direct ownership by 28% to 258,807 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  EVP and CFO Blegen Theodore was granted 38,745 shares, increasing direct ownership by 59% to 104,078 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  EVP & General Counsel Tseng Saria was granted 57,170 shares, increasing direct ownership by 34% to 223,501 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  CEO Hsing Michael was granted 136,825 shares, increasing direct ownership by 15% to 1,043,157 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 122d
  EVP, WW Sales & Marketing Sciammas Maurice was granted 57,170 shares, increasing direct ownership by 40% to 201,500 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 123d
  EVP and CFO Blegen Theodore sold $3,389,266 worth of shares (3,000 units at $1,129.76), decreasing direct ownership by 4% to 65,333 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 152d
  Director Lee Victor K sold $558,516 worth of shares (600 units at $930.86), decreasing direct ownership by 2% to 27,967 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 152d
  EVP and CFO Blegen Theodore sold $2,821,399 worth of shares (3,000 units at $940.47), decreasing direct ownership by 4% to 68,332 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 159d
  EVP & General Counsel Tseng Saria gifted 1,000 shares and received a gift of 1,000 shares, decreasing direct ownership by 0.60% to 166,331 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 160d
  Director Lee Victor K sold $951,719 worth of shares (1,000 units at $951.72), decreasing direct ownership by 3% to 28,567 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 178d
  CEO Hsing Michael gifted 12,337 shares, decreasing direct ownership by 1% to 906,332 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 187d
  EVP and CFO Blegen Theodore sold $2,724,623 worth of shares (3,000 units at $908.21), decreasing direct ownership by 4% to 71,332 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 191d
  EVP & General Counsel Tseng Saria sold $18,529,316 worth of shares (20,000 units at $926.47), decreasing direct ownership by 11% to 167,331 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 191d
  EVP & General Counsel Tseng Saria sold $18,083,638 worth of shares (20,000 units at $904.18), decreasing direct ownership by 10% to 187,331 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 194d
  Director Chang Kuo Wei Herbert sold $89,697 worth of shares (100 units at $896.97), decreasing direct ownership by 19% to 426 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 194d
  EVP, WW Sales & Marketing Sciammas Maurice sold $3,559,434 worth of shares (3,976 units at $895.23), decreasing direct ownership by 3% to 144,330 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 195d
  Director Chang Kuo Wei Herbert sold $87,397 worth of shares (100 units at $873.97), decreasing direct ownership by 16% to 526 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 199d
  EVP, WW Sales & Marketing Sciammas Maurice sold $24,656,387 worth of shares (27,966 units at $881.66), decreasing direct ownership by 16% to 148,306 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 199d
  EVP, WW Sales & Marketing Sciammas Maurice sold $6,121,059 worth of shares (7,034 units at $870.21), decreasing direct ownership by 4% to 176,272 units (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)
• 205d
  EVP, WW Sales & Marketing Sciammas Maurice gifted 4,530 shares and received a gift of 4,530 shares (SEC Form 4)

  4 - MONOLITHIC POWER SYSTEMS INC (0001280452) (Issuer)