Hsing Michael insider trades
Hsing Michael has filed 66 Form 4s with the SEC that we hold, all for Monolithic Power Systems, INC. (MPWR), as CEO, Director. Across all of them we count 0 purchases worth $0 and 268 sales worth $618.6M reported on Form 4. In the last 12 months: 0 purchases ($0) and 89 sales ($354.8M). The largest single trade was a sale of 54,923 shares of Monolithic Power Systems, INC. worth $64.3M, dated 2026-02-06. Of 8 sales filed since we began reading the 10b5-1 checkbox, 8 (100%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-07-06 and the latest 2026-09-30.
Monolithic Power Systems, INC. (MPWR)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2021-07-01 | S, sale reported on Form 4 | 10,960 | $4.1M | 2021-07-06 | SEC |
| 2021-08-09 | S, sale reported on Form 4 | 7,926 | $3.6M | 2021-08-11 | SEC |
| 2021-08-12 | S, sale reported on Form 4 | 6,373 | $2.9M | 2021-08-16 | SEC |
| 2021-10-01 | S, sale reported on Form 4 | 11,020 | $5.2M | 2021-10-05 | SEC |
| 2021-11-08 | S, sale reported on Form 4 | 7,813 | $4.3M | 2021-11-10 | SEC |
| 2021-11-12 | S, sale reported on Form 4 | 6,273 | $3.5M | 2021-11-16 | SEC |
| 2022-01-03 | S, sale reported on Form 4 | 10,960 | $5.4M | 2022-01-05 | SEC |
| 2022-02-07 | S, sale reported on Form 4 | 29,638 | $11.8M | 2022-02-09 | SEC |
| 2022-02-08 | S, sale reported on Form 4 | 7,663 | $3.1M | 2022-02-09 | SEC |
| 2022-02-14 | S, sale reported on Form 4 | 6,421 | $2.8M | 2022-02-16 | SEC |
| 2022-04-01 | S, sale reported on Form 4 | 11,250 | $5.3M | 2022-04-05 | SEC |
| 2022-05-04 | S, sale reported on Form 4 | 3,807 | $1.7M | 2022-05-05 | SEC |
| 2022-05-12 | S, sale reported on Form 4 | 6,481 | $2.5M | 2022-05-16 | SEC |
| 2022-07-01 | S, sale reported on Form 4 | 11,495 | $4.2M | 2022-07-06 | SEC |
| 2022-08-04 | S, sale reported on Form 4 | 3,798 | $2.0M | 2022-08-08 | SEC |
| 2022-08-12 | S, sale reported on Form 4 | 6,306 | $3.3M | 2022-08-12 | SEC |
| 2022-10-03 | S, sale reported on Form 4 | 10,960 | $4.1M | 2022-10-04 | SEC |
| 2022-11-04 | S, sale reported on Form 4 | 3,790 | $1.3M | 2022-11-07 | SEC |
| 2022-11-14 | S, sale reported on Form 4 | 5,347 | $2.1M | 2022-11-16 | SEC |
| 2022-11-15 | S, sale reported on Form 4 | 1,074 | $435.5K | 2022-11-16 | SEC |
| 2023-01-03 | S, sale reported on Form 4 | 14,888 | $5.1M | 2023-01-05 | SEC |
| 2023-02-06 | S, sale reported on Form 4 | 3,691 | $1.6M | 2023-02-08 | SEC |
| 2023-02-08 | S, sale reported on Form 4 | 22,483 | $10.4M | 2023-02-10 | SEC |
| 2023-02-13 | S, sale reported on Form 4 | 6,333 | $3.1M | 2023-02-13 | SEC |
| 2023-04-03 | S, sale reported on Form 4 | 11,100 | $5.4M | 2023-04-06 | SEC |
| 2023-05-03 | S, sale reported on Form 4 | 11,242 | $5.2M | 2023-05-04 | SEC |
| 2023-05-04 | S, sale reported on Form 4 | 3,825 | $1.8M | 2023-05-05 | SEC |
| 2023-05-09 | S, sale reported on Form 4 | 2,785 | $1.1M | 2023-05-10 | SEC |
| 2023-07-03 | S, sale reported on Form 4 | 10,960 | $5.9M | 2023-07-05 | SEC |
| 2023-07-21 | S, sale reported on Form 4 | 28,845 | $15.4M | 2023-07-25 | SEC |
| 2023-08-04 | S, sale reported on Form 4 | 3,815 | $2.0M | 2023-08-07 | SEC |
| 2023-08-08 | S, sale reported on Form 4 | 2,836 | $1.5M | 2023-08-10 | SEC |
| 2023-10-02 | S, sale reported on Form 4 | 10,960 | $5.0M | 2023-10-04 | SEC |
| 2023-11-06 | S, sale reported on Form 4 | 3,790 | $1.9M | 2023-11-07 | SEC |
| 2023-11-08 | S, sale reported on Form 4 | 2,790 | $1.4M | 2023-11-09 | SEC |
| 2024-01-04 | S, sale reported on Form 4 | 58,654 | $34.2M | 2024-01-08 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 811 | $465.1K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 1,067 | $613.0K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 1,522 | $871.2K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 1,141 | $652.3K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 614 | $349.9K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 102 | $58.0K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 546 | $314.2K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 128 | $73.8K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 18 | $10.4K | 2024-01-09 | SEC |
| 2024-01-05 | S, sale reported on Form 4 | 2,051 | $1.2M | 2024-01-09 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 300 | $182.8K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 100 | $60.9K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 282 | $171.2K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 477 | $289.2K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 262 | $158.5K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 1,023 | $618.5K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 1,171 | $706.7K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 703 | $423.6K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 325 | $195.5K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 430 | $258.2K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 1,343 | $805.3K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 855 | $511.6K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 400 | $237.9K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 200 | $119.1K | 2024-02-05 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 129 | $77.1K | 2024-02-05 | SEC |
| 2024-02-05 | S, sale reported on Form 4 | 3,791 | $2.4M | 2024-02-07 | SEC |
| 2024-02-08 | S, sale reported on Form 4 | 2,790 | $1.9M | 2024-02-09 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 120 | $87.8K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 200 | $146.7K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 100 | $73.2K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 972 | $708.8K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 2,064 | $1.5M | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 1,275 | $927.4K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 791 | $574.8K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 300 | $217.7K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 200 | $144.9K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 441 | $318.2K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 312 | $224.7K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 825 | $593.6K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 200 | $143.7K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 100 | $71.7K | 2024-03-04 | SEC |
| 2024-03-01 | S, sale reported on Form 4 | 100 | $71.7K | 2024-03-04 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 200 | $134.1K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 350 | $240.6K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 800 | $538.0K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 1,114 | $750.3K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 1,300 | $876.9K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 680 | $459.4K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 291 | $196.8K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 904 | $612.4K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 600 | $407.5K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 100 | $68.2K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 425 | $290.5K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 230 | $157.5K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 400 | $274.2K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 400 | $274.7K | 2024-04-03 | SEC |
| 2024-04-01 | S, sale reported on Form 4 | 206 | $138.4K | 2024-04-03 | SEC |
| 2024-05-01 | S, sale reported on Form 4 | 100 | $67.0K | 2024-05-03 | SEC |
| 2024-05-01 | S, sale reported on Form 4 | 339 | $221.3K | 2024-05-03 | SEC |
| 2024-05-01 | S, sale reported on Form 4 | 251 | $164.0K | 2024-05-03 | SEC |
| 2024-05-01 | S, sale reported on Form 4 | 378 | $247.3K | 2024-05-03 | SEC |
| 2024-05-01 | S, sale reported on Form 4 | 217 | $142.2K | 2024-05-03 | SEC |
| 2024-05-01 | S, sale reported on Form 4 | 195 | $128.5K | 2024-05-03 | SEC |
| 2024-05-01 | S, sale reported on Form 4 | 1,000 | $659.5K | 2024-05-03 | SEC |
Counted from the Form 4 filings this reporting owner (SEC CIK 1308676) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

