Company Page
Most Recent Insiders Activity
| Transaction Date | Company Name | Insider Name (Title) | Activity | Stock | Acquired or Disposed | Shares | Price range | Amount |
|---|---|---|---|---|---|---|---|---|
| 2024-04-08 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(EVP of Sales and Marketing) |
S | Common Stock | D | 11000 | $668.76 - $690.15 | $7,500,100 |
| 2024-04-01 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 8000 | $670.56 - $687.45 | $5,419,517 |
| 2024-04-01 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(EVP of Sales and Marketing) |
G | Common Stock | A | 2344 | $0.00 - $0.00 | $0 |
| 2024-04-01 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(EVP & CFO) |
S | Common Stock | D | 2500 | $670.56 - $687.44 | $1,693,492 |
| 2024-03-01 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 8000 | $716.82 - $733.37 | $5,808,617 |
| 2024-03-01 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 2500 | $718.35 - $733.37 | $1,814,384 |
| 2024-02-29 | MONOLITHIC POWER SYSTEMS INC | CHANG KUO WEI HER...
(Director) |
S | Common Stock | D | 250 | $706.34 - $706.34 | $176,585 |
| 2024-02-22 | MONOLITHIC POWER SYSTEMS INC | CHANG KUO WEI HER...
(Director) |
S | Common Stock | D | 250 | $750.00 - $750.00 | $187,500 |
| 2024-02-13 | MONOLITHIC POWER SYSTEMS INC | Moyer James C
(Director) |
G | Common Stock | D | 8000 | $0.00 - $0.00 | $0 |
| 2024-02-12 | MONOLITHIC POWER SYSTEMS INC | Zhou Jeff
(Director) |
S | Common Stock | D | 200 | $750.57 - $750.57 | $150,114 |
| 2024-02-08 | MONOLITHIC POWER SYSTEMS INC | Xiao Deming
(Pres. of MPS Asia Operations) |
S | Common Stock | D | 859 | $680.00 - $680.00 | $584,120 |
| 2024-02-08 | MONOLITHIC POWER SYSTEMS INC | Tseng Saria
(Executive VP & General Counsel) |
S | Common Stock | D | 859 | $680.00 - $680.00 | $584,120 |
| 2024-02-08 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(Sr. V.P.of Sales and Marketing) |
S | Common Stock | D | 859 | $680.00 - $680.00 | $584,120 |
| 2024-02-08 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 2790 | $680.00 - $680.00 | $1,897,200 |
| 2024-02-08 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 728 | $680.00 - $680.00 | $495,040 |
| 2024-02-06 | MONOLITHIC POWER SYSTEMS INC | Moyer James C
(Director) |
A | Common Stock | A | 348 | $0.00 - $0.00 | $0 |
| 2024-02-06 | MONOLITHIC POWER SYSTEMS INC | Zhou Jeff
(Director) |
A | Common Stock | A | 348 | $0.00 - $0.00 | $0 |
| 2024-02-06 | MONOLITHIC POWER SYSTEMS INC | Elmiger Eugen J
(Director) |
A | Common Stock | A | 348 | $0.00 - $0.00 | $0 |
| 2024-02-06 | MONOLITHIC POWER SYSTEMS INC | Lee Victor K
(Director) |
A | Common Stock | A | 348 | $0.00 - $0.00 | $0 |
| 2024-02-06 | MONOLITHIC POWER SYSTEMS INC | Wynne Eileen
(Director) |
A | Common Stock | A | 348 | $0.00 - $0.00 | $0 |
| 2024-02-06 | MONOLITHIC POWER SYSTEMS INC | Martinez Carintia
(Director) |
A | Common Stock | A | 348 | $0.00 - $0.00 | $0 |
| 2024-02-06 | MONOLITHIC POWER SYSTEMS INC | CHANG KUO WEI HER...
(Director) |
A | Common Stock | A | 348 | $0.00 - $0.00 | $0 |
| 2024-02-05 | MONOLITHIC POWER SYSTEMS INC | Xiao Deming
(Pres. of MPS Asia Operations) |
S | Common Stock | D | 982 | $641.00 - $641.00 | $629,462 |
| 2024-02-05 | MONOLITHIC POWER SYSTEMS INC | Tseng Saria
(Executive VP & General Counsel) |
S | Common Stock | D | 982 | $641.00 - $641.00 | $629,462 |
| 2024-02-05 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(Sr. V.P.of Sales and Marketing) |
S | Common Stock | D | 982 | $641.00 - $641.00 | $629,462 |
| 2024-02-05 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 3791 | $641.00 - $641.00 | $2,430,031 |
| 2024-02-05 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 867 | $641.00 - $641.00 | $555,747 |
| 2024-02-01 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 8000 | $594.81 - $609.39 | $4,816,036 |
| 2024-02-01 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 2500 | $600.37 - $609.39 | $1,508,136 |
| 2024-01-12 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(Sr. V.P.of Sales and Marketing) |
S | Common Stock | D | 11000 | $577.66 - $589.29 | $6,403,234 |
| 2024-01-10 | MONOLITHIC POWER SYSTEMS INC | Xiao Deming
(Pres. of MPS Asia Operations) |
S | Common Stock | D | 11515 | $584.39 - $596.19 | $6,786,328 |
| 2024-01-09 | MONOLITHIC POWER SYSTEMS INC | Tseng Saria
(Executive VP & General Counsel) |
S | Common Stock | D | 1390 | $600.00 - $600.00 | $834,000 |
| 2024-01-05 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 8000 | $568.36 - $577.01 | $4,578,216 |
| 2024-01-04 | MONOLITHIC POWER SYSTEMS INC | Tseng Saria
(Executive VP & General Counsel) |
S | Common Stock | D | 25314 | $583.14 - $583.14 | $14,761,605 |
| 2024-01-04 | MONOLITHIC POWER SYSTEMS INC | Xiao Deming
(Pres. of MPS Asia Operations) |
S | Common Stock | D | 25314 | $583.14 - $583.14 | $14,761,605 |
| 2024-01-04 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(Sr. V.P.of Sales and Marketing) |
S | Common Stock | D | 27659 | $583.14 - $583.14 | $16,129,069 |
| 2024-01-04 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 27613 | $583.14 - $583.14 | $16,102,244 |
| 2024-01-04 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 58654 | $583.14 - $583.14 | $34,203,493 |
| 2024-01-02 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 2500 | $610.93 - $620.50 | $1,539,269 |
| 2023-12-18 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 2500 | $627.99 - $634.67 | $1,578,394 |
| 2023-12-13 | MONOLITHIC POWER SYSTEMS INC | Tseng Saria
(Executive VP & General Counsel) |
S | Common Stock | D | 18610 | $600.00 - $600.00 | $11,166,000 |
| 2023-11-16 | MONOLITHIC POWER SYSTEMS INC | Moyer James C
(Director) |
S | Common Stock | D | 3800 | $538.34 - $540.18 | $2,047,971 |
| 2023-11-16 | MONOLITHIC POWER SYSTEMS INC | Moyer James C
(Director) |
G | Common Stock | D | 7600 | $0.00 - $0.00 | $0 |
| 2023-11-14 | MONOLITHIC POWER SYSTEMS INC | Xiao Deming
(Pres. of MPS Asia Operations) |
G | Common Stock | D | 6782 | $0.00 - $0.00 | $0 |
| 2023-11-14 | MONOLITHIC POWER SYSTEMS INC | CHANG KUO WEI HER...
(Director) |
S | Common Stock | D | 400 | $523.64 - $523.64 | $209,456 |
| 2023-11-13 | MONOLITHIC POWER SYSTEMS INC | CHANG KUO WEI HER...
(Director) |
S | Common Stock | D | 100 | $510.00 - $510.00 | $51,000 |
| 2023-11-08 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 712 | $490.39 - $490.39 | $349,157 |
| 2023-11-08 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 2790 | $490.39 - $490.39 | $1,368,188 |
| 2023-11-08 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(Sr. V.P.of Sales and Marketing) |
S | Common Stock | D | 859 | $490.39 - $490.39 | $421,245 |
| 2023-11-08 | MONOLITHIC POWER SYSTEMS INC | Tseng Saria
(VP & General Counsel) |
S | Common Stock | D | 859 | $490.39 - $490.39 | $421,245 |
| 2023-11-08 | MONOLITHIC POWER SYSTEMS INC | Xiao Deming
(Pres. of MPS Asia Operations) |
S | Common Stock | D | 859 | $490.39 - $490.39 | $421,245 |
| 2023-11-06 | MONOLITHIC POWER SYSTEMS INC | Xiao Deming
(Pres. of MPS Asia Operations) |
S | Common Stock | D | 982 | $492.92 - $492.92 | $484,047 |
| 2023-11-06 | MONOLITHIC POWER SYSTEMS INC | Tseng Saria
(VP & General Counsel) |
S | Common Stock | D | 982 | $492.92 - $492.92 | $484,047 |
| 2023-11-06 | MONOLITHIC POWER SYSTEMS INC | BLEGEN THEODORE
(CFO) |
S | Common Stock | D | 847 | $492.92 - $492.92 | $417,503 |
| 2023-11-06 | MONOLITHIC POWER SYSTEMS INC | Hsing Michael
(CEO) |
S | Common Stock | D | 3790 | $492.92 - $492.92 | $1,868,166 |
| 2023-11-06 | MONOLITHIC POWER SYSTEMS INC | Sciammas Maurice
(Sr. V.P.of Sales and Marketing) |
S | Common Stock | D | 982 | $492.92 - $492.92 | $484,047 |
Activity types
| A | Grant, award or other acquisition |
| C | Conversion of Derivative or Security |
| D | Disposition to the issuer of issuer equity securities |
| E | Expiration of short derivative position |
| F | Payment of exercise price or tax liability |
| G | Bona fide Gift |
| H | Expiration (or cancellation) of long derivative position with value received |
| I | Discretionary Transaction |
| J | Other acquisition or disposition |
| K | Transaction in equity swap or instrument with similar characteristics |
| L | Small Acquisition |
| M | Exercise or conversion of derivative security |
| O | Exercise of out-of-the-money derivative security |
| P | Open Market Purchase |
| S | Open Market Sale |
| U | Disposition pursuant to a tender of shares in a change of control transaction |
| V | Transaction Voluntarily Reported |
| X | Exercise of in-the-money or at-the-money derivative security |
| Z | Deposit into or withdrawal from voting trust |