The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Blegen Theodore since 2016.
This trader's CIK number is 1415033.
At the time of last reporting, Blegen Theodore was the EVP and CFO of Monolithic Power Systems Inc. (stock ticker symbol MPWR).
Also see all insider trading activities at Monolithic Power Systems Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MPWR | 0 | $0 | 12,532 | $9,572,348 | 0 | $0 |
| 2024 | MPWR | 0 | $0 | 61,487 | $41,387,406 | 0 | $0 |
| 2023 | MPWR | 0 | $0 | 33,040 | $16,770,218 | 0 | $0 |
| 2022 | MPWR | 0 | $0 | 19,512 | $8,280,258 | 0 | $0 |
| 2021 | MPWR | 0 | $0 | 51,421 | $20,912,443 | 20,105 | $0 |
| 2020 | MPWR | 0 | $0 | 44,910 | $10,237,380 | 19,200 | $0 |
| 2019 | MPWR | 0 | $0 | 27,631 | $3,875,716 | 28,800 | $0 |
| 2018 | MPWR | 0 | $0 | 18,703 | $2,063,953 | 0 | $0 |
| 2017 | MPWR | 0 | $0 | 8,114 | $816,008 | 0 | $0 |
| 2016 | MPWR | 0 | $0 | 925 | $71,820 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-02 | MPWR | Sale | 3,000 | 813.62 | 2,440,851 |
| 2025-08-01 | MPWR | Sale | 3,000 | 750.00 | 2,250,000 |
| 2025-07-01 | MPWR | Sale | 6,000 | 750.00 | 4,500,000 |
| 2025-02-10 | MPWR | Sale | 532 | 717.10 | 381,497 |
| 2024-12-09 | MPWR | Sale | 2,500 | 600.00 | 1,500,000 |
| 2024-11-08 | MPWR | Sale | 734 | 765.15 | 561,620 |
| 2024-11-01 | MPWR | Sale | 2,500 | 771.78 | 1,929,445 |
| 2024-10-01 | MPWR | Sale | 2,500 | 909.03 | 2,272,572 |
| 2024-09-03 | MPWR | Sale | 2,500 | 904.49 | 2,261,222 |
| 2024-08-08 | MPWR | Sale | 728 | 778.39 | 566,667 |
| 2024-08-01 | MPWR | Sale | 2,500 | 852.74 | 2,131,855 |
| 2024-07-22 | MPWR | Sale | 2,580 | 831.58 | 2,145,476 |
| 2024-07-01 | MPWR | Sale | 2,500 | 802.65 | 2,006,617 |
| 2024-06-03 | MPWR | Sale | 2,416 | 730.67 | 1,765,301 |
| 2024-06-10 | MPWR | Sale | 84 | 741.66 | 62,299 |
| 2024-05-08 | MPWR | Sale | 737 | 689.98 | 508,515 |
| 2024-05-01 | MPWR | Sale | 2,500 | 663.66 | 1,659,152 |
| 2024-03-01 | MPWR | Sale | 2,500 | 725.57 | 1,813,925 |
| 2024-02-08 | MPWR | Sale | 728 | 680.00 | 495,040 |
| 2024-02-05 | MPWR | Sale | 867 | 641.00 | 555,747 |
| 2024-02-01 | MPWR | Sale | 2,500 | 604.80 | 1,511,997 |
| 2024-01-04 | MPWR | Sale | 27,613 | 583.14 | 16,102,244 |
| 2024-01-02 | MPWR | Sale | 2,500 | 615.09 | 1,537,712 |
| 2023-12-18 | MPWR | Sale | 2,500 | 631.07 | 1,577,675 |
| 2023-11-08 | MPWR | Sale | 712 | 490.39 | 349,157 |
| 2023-11-06 | MPWR | Sale | 847 | 492.92 | 417,503 |
| 2023-10-02 | MPWR | Sale | 905 | 458.30 | 414,761 |
| 2023-08-08 | MPWR | Sale | 724 | 530.28 | 383,922 |
| 2023-08-04 | MPWR | Sale | 852 | 526.52 | 448,595 |
| 2023-07-21 | MPWR | Sale | 7,575 | 534.23 | 4,046,792 |
| 2023-07-03 | MPWR | Sale | 905 | 537.79 | 486,699 |
| 2023-05-09 | MPWR | Sale | 711 | 409.78 | 291,353 |
| 2023-05-04 | MPWR | Sale | 854 | 459.60 | 392,498 |
| 2023-05-03 | MPWR | Sale | 2,870 | 463.55 | 1,330,388 |
| 2023-04-03 | MPWR | Sale | 920 | 487.99 | 448,950 |
| 2023-02-16 | MPWR | Sale | 5,000 | 521.19 | 2,605,950 |
| 2023-02-13 | MPWR | Sale | 1,373 | 492.31 | 675,941 |
| 2023-02-08 | MPWR | Sale | 5,684 | 462.41 | 2,628,338 |
| 2023-02-06 | MPWR | Sale | 608 | 446.87 | 271,696 |
| 2022-11-14 | MPWR | Sale | 1,196 | 390.33 | 466,834 |
| 2022-11-15 | MPWR | Sale | 191 | 406.27 | 77,597 |
| 2022-11-04 | MPWR | Sale | 847 | 343.98 | 291,351 |
| 2022-08-12 | MPWR | Sale | 1,369 | 525.95 | 720,025 |
| 2022-08-04 | MPWR | Sale | 848 | 522.38 | 442,978 |
| 2022-07-01 | MPWR | Sale | 950 | 361.58 | 343,501 |
| 2022-04-01 | MPWR | Sale | 930 | 467.22 | 434,514 |
| 2022-02-22 | MPWR | Sale | 1,539 | 454.04 | 698,773 |
| 2022-02-14 | MPWR | Sale | 1,387 | 429.60 | 595,855 |
| 2022-02-08 | MPWR | Sale | 1,117 | 401.12 | 448,051 |
| 2022-02-07 | MPWR | Sale | 6,336 | 399.28 | 2,529,838 |
| 2022-01-20 | MPWR | Sale | 1,897 | 414.71 | 786,704 |
| 2022-01-03 | MPWR | Sale | 905 | 490.87 | 444,237 |
| 2021-12-20 | MPWR | Sale | 1,897 | 474.35 | 899,841 |
| 2021-11-22 | MPWR | Sale | 1,897 | 568.15 | 1,077,780 |
| 2021-11-12 | MPWR | Sale | 1,364 | 553.42 | 754,862 |
| 2021-11-08 | MPWR | Sale | 1,460 | 548.27 | 800,474 |
| 2021-10-20 | MPWR | Sale | 1,897 | 496.59 | 942,031 |
| 2021-10-01 | MPWR | Sale | 910 | 476.16 | 433,305 |
| 2021-09-20 | MPWR | Sale | 1,897 | 484.68 | 919,443 |
| 2021-08-20 | MPWR | Sale | 1,897 | 469.24 | 890,148 |
| 2021-08-12 | MPWR | Sale | 1,379 | 457.10 | 630,340 |
| 2021-08-09 | MPWR | Sale | 1,474 | 459.12 | 676,742 |
| 2021-07-20 | MPWR | Sale | 1,897 | 382.77 | 726,114 |
| 2021-07-01 | MPWR | Sale | 905 | 370.45 | 335,257 |
| 2021-06-21 | MPWR | Sale | 1,897 | 353.17 | 669,963 |
| 2021-05-20 | MPWR | Sale | 1,897 | 330.00 | 626,010 |
| 2021-05-12 | MPWR | Sale | 1,437 | 311.82 | 448,089 |
| 2021-05-10 | MPWR | Sale | 1,562 | 326.40 | 509,838 |
| 2021-04-20 | MPWR | Sale | 1,897 | 366.58 | 695,404 |
| 2021-04-01 | MPWR | Sale | 905 | 364.78 | 330,123 |
| 2021-03-22 | MPWR | Sale | 1,897 | 349.85 | 663,671 |
| 2021-02-19 | MPWR | Sale | 4,299 | 387.02 | 1,663,794 |
| 2021-02-05 | MPWR | Sale | 11,010 | 366.34 | 4,033,381 |
| 2021-02-09 | MPWR | Sale | 2,922 | 372.89 | 1,089,590 |
| 2021-02-02 | MPWR | Option Ex | 20,105 | .00 | 0 |
| 2021-01-20 | MPWR | Sale | 1,919 | 397.59 | 762,967 |
| 2021-01-04 | MPWR | Sale | 905 | 368.26 | 333,276 |
| 2020-12-21 | MPWR | Sale | 1,418 | 346.54 | 491,389 |
| 2020-11-19 | MPWR | Sale | 1,420 | 309.57 | 439,585 |
| 2020-11-09 | MPWR | Sale | 3,169 | 333.51 | 1,056,902 |
| 2020-10-19 | MPWR | Sale | 1,534 | 315.49 | 483,960 |
| 2020-10-01 | MPWR | Sale | 905 | 280.50 | 253,856 |
| 2020-09-18 | MPWR | Sale | 1,408 | 252.81 | 355,949 |
| 2020-08-19 | MPWR | Sale | 1,404 | 277.23 | 389,230 |
| 2020-08-10 | MPWR | Sale | 3,116 | 274.40 | 855,036 |
| 2020-07-20 | MPWR | Sale | 2,408 | 249.34 | 600,410 |
| 2020-07-01 | MPWR | Sale | 905 | 235.16 | 212,819 |
| 2020-06-19 | MPWR | Sale | 1,408 | 224.13 | 315,570 |
| 2020-05-19 | MPWR | Sale | 1,408 | 204.91 | 288,507 |
| 2020-05-08 | MPWR | Sale | 3,177 | 208.67 | 662,938 |
| 2020-04-20 | MPWR | Sale | 2,447 | 182.97 | 447,737 |
| 2020-04-01 | MPWR | Sale | 920 | 162.58 | 149,573 |
| 2020-03-24 | MPWR | Sale | 1,408 | 160.00 | 225,280 |
| 2020-02-18 | MPWR | Sale | 49 | 187.81 | 9,202 |
| 2020-02-10 | MPWR | Sale | 1,611 | 181.07 | 291,710 |
| 2020-02-04 | MPWR | Option Ex | 19,200 | .00 | 0 |
| 2020-02-06 | MPWR | Sale | 12,096 | 183.75 | 2,222,664 |
| 2020-01-21 | MPWR | Sale | 1,784 | 181.12 | 323,118 |
| 2020-01-07 | MPWR | Sale | 915 | 176.99 | 161,945 |
| 2019-12-02 | MPWR | Sale | 915 | 161.65 | 147,909 |
| 2019-11-18 | MPWR | Sale | 49 | 161.74 | 7,925 |
| 2019-11-08 | MPWR | Sale | 1,635 | 163.36 | 267,096 |
| 2019-11-01 | MPWR | Sale | 221 | 151.10 | 33,393 |
| 2019-10-22 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-10-21 | MPWR | Sale | 1,056 | 143.27 | 151,293 |
| 2019-10-01 | MPWR | Sale | 1,675 | 156.30 | 261,809 |
| 2019-09-09 | MPWR | Sale | 999 | 156.58 | 156,423 |
| 2019-08-19 | MPWR | Sale | 50 | 154.00 | 7,700 |
| 2019-08-08 | MPWR | Sale | 1,665 | 150.43 | 250,457 |
| 2019-07-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-07-22 | MPWR | Sale | 1,041 | 146.22 | 152,217 |
| 2019-04-23 | MPWR | Option Ex | 9,600 | .00 | 0 |
| 2019-07-01 | MPWR | Sale | 905 | 139.56 | 126,298 |
| 2019-05-20 | MPWR | Sale | 51 | 121.80 | 6,211 |
| 2019-05-08 | MPWR | Sale | 1,681 | 138.03 | 232,021 |
| 2019-04-22 | MPWR | Sale | 1,047 | 152.89 | 160,074 |
| 2019-04-01 | MPWR | Sale | 905 | 138.60 | 125,431 |
| 2019-02-19 | MPWR | Sale | 181 | 137.23 | 24,839 |
| 2019-02-12 | MPWR | Sale | 12,656 | 130.66 | 1,653,594 |
| 2019-01-22 | MPWR | Sale | 899 | 123.50 | 111,026 |
| 2018-10-22 | MPWR | Sale | 1,088 | 114.61 | 124,695 |
| 2018-08-17 | MPWR | Sale | 131 | 139.56 | 18,282 |
| 2018-08-20 | MPWR | Sale | 50 | 141.00 | 7,050 |
| 2018-05-17 | MPWR | Sale | 130 | 127.37 | 16,558 |
| 2018-05-18 | MPWR | Sale | 50 | 128.96 | 6,448 |
| 2018-04-30 | MPWR | Sale | 232 | 120.55 | 27,967 |
| 2018-03-01 | MPWR | Sale | 460 | 117.18 | 53,902 |
| 2018-02-20 | MPWR | Sale | 1,287 | 117.67 | 151,440 |
| 2018-02-13 | MPWR | Sale | 7,261 | 108.10 | 784,935 |
| 2018-02-12 | MPWR | Sale | 7,564 | 108.19 | 818,379 |
| 2018-01-30 | MPWR | Sale | 450 | 120.66 | 54,297 |
| 2017-12-01 | MPWR | Sale | 459 | 117.91 | 54,120 |
| 2017-11-20 | MPWR | Sale | 79 | 122.75 | 9,697 |
| 2017-11-16 | MPWR | Sale | 110 | 121.83 | 13,400 |
| 2017-10-30 | MPWR | Sale | 462 | 120.68 | 55,754 |
| 2017-09-01 | MPWR | Sale | 459 | 101.42 | 46,551 |
| 2017-08-18 | MPWR | Sale | 89 | 97.59 | 8,685 |
| 2017-08-17 | MPWR | Sale | 99 | 100.85 | 9,984 |
| 2017-07-31 | MPWR | Sale | 462 | 102.60 | 47,401 |
| 2017-06-26 | MPWR | Sale | 4,604 | 99.00 | 455,796 |
| 2017-05-17 | MPWR | Sale | 99 | 96.75 | 9,578 |
| 2017-05-18 | MPWR | Sale | 11 | 92.61 | 1,018 |
| 2017-05-01 | MPWR | Sale | 177 | 91.50 | 16,195 |
| 2017-03-01 | MPWR | Sale | 284 | 88.75 | 25,205 |
| 2017-02-21 | MPWR | Sale | 11 | 86.52 | 951 |
| 2017-02-17 | MPWR | Sale | 503 | 86.16 | 43,339 |
| 2017-01-30 | MPWR | Sale | 206 | 89.00 | 18,334 |
| 2016-11-29 | MPWR | Sale | 185 | 83.78 | 15,499 |
| 2016-11-17 | MPWR | Sale | 40 | 81.27 | 3,250 |
| 2016-11-18 | MPWR | Sale | 11 | 81.66 | 898 |
| 2016-10-28 | MPWR | Sale | 177 | 77.97 | 13,800 |
| 2016-09-01 | MPWR | Sale | 99 | 76.65 | 7,588 |
| 2016-08-29 | MPWR | Sale | 185 | 76.63 | 14,176 |
| 2016-08-17 | MPWR | Sale | 40 | 73.48 | 2,939 |
| 2016-08-18 | MPWR | Sale | 11 | 73.52 | 808 |
| 2016-08-02 | MPWR | Sale | 177 | 72.67 | 12,862 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Blegen Theodore (EVP and CFO of Monolithic Power Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.