Tseng Saria
EVP & General Counsel · 73 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-27 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 7,565 | $1,700.00 | $12.9M | filing |
| 2026-05-22 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 5,000 | $1,586.43 | $7.9M | filing |
| 2026-05-22 | MPWR | MONOLITHIC POWER SYSTEMS INC | Gift | 200 | $0.00 | $0.00 | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 4,244 | $1,312.82 | $5.6M | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,279 | $1,308.30 | $1.7M | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 840 | $1,319.25 | $1.1M | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 800 | $1,302.52 | $1.0M | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 560 | $1,266.48 | $709,228.80 | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 400 | $1,292.08 | $516,832.00 | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 360 | $1,270.29 | $457,304.40 | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 240 | $1,279.55 | $307,092.00 | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 120 | $1,321.94 | $158,632.80 | filing |
| 2026-04-08 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 120 | $1,287.12 | $154,454.40 | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 2,036 | $1,170.38 | $2.4M | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,680 | $1,176.35 | $2.0M | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,396 | $1,179.50 | $1.6M | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 684 | $1,165.66 | $797,311.44 | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 560 | $1,159.62 | $649,387.20 | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 556 | $1,144.42 | $636,297.52 | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 480 | $1,149.05 | $551,544.00 | filing |
| 2026-04-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 244 | $1,139.96 | $278,150.24 | filing |
| 2026-04-01 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 576 | $1,131.24 | $651,594.24 | filing |
| 2026-04-01 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 292 | $1,136.99 | $332,001.08 | filing |
| 2026-04-01 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 188 | $1,135.91 | $213,551.08 | filing |
| 2026-04-01 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 184 | $1,132.15 | $208,315.60 | filing |
| 2026-04-01 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 160 | $1,134.14 | $181,462.40 | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 9,080 | $1,005.18 | $9.1M | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 5,154 | $1,000.81 | $5.2M | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 3,360 | $1,009.63 | $3.4M | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 3,194 | $1,017.22 | $3.2M | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 2,440 | $1,029.21 | $2.5M | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 2,200 | $1,023.00 | $2.3M | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 166 | $1,035.60 | $171,909.60 | filing |
| 2026-03-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 80 | $1,041.12 | $83,289.60 | filing |
| 2026-02-06 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 22,875 | $1,171.16 | $26.8M | filing |
| 2026-02-03 | MPWR | MONOLITHIC POWER SYSTEMS INC | Award | 57,170 | $0.00 | $0.00 | filing |
| 2025-12-24 | MPWR | MONOLITHIC POWER SYSTEMS INC | Gift | 1,000 | $0.00 | $0.00 | filing |
| 2025-12-24 | MPWR | MONOLITHIC POWER SYSTEMS INC | Gift | 1,000 | $0.00 | $0.00 | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 10,360 | $926.02 | $9.6M | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 2,238 | $929.29 | $2.1M | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,845 | $927.41 | $1.7M | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,327 | $924.32 | $1.2M | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,200 | $923.54 | $1.1M | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,126 | $925.55 | $1.0M | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 984 | $928.60 | $913,742.40 | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 680 | $930.48 | $632,726.40 | filing |
| 2025-11-26 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 240 | $922.78 | $221,467.20 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 10,200 | $907.21 | $9.3M | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 2,066 | $896.37 | $1.9M | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,625 | $895.63 | $1.5M | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 888 | $908.49 | $806,739.12 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 880 | $901.58 | $793,390.40 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 754 | $897.54 | $676,745.16 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 556 | $909.35 | $505,598.60 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 385 | $894.54 | $344,397.90 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 359 | $910.42 | $326,840.78 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 346 | $900.41 | $311,541.86 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 324 | $911.92 | $295,462.08 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 320 | $899.37 | $287,798.40 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 272 | $906.33 | $246,521.76 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 240 | $912.30 | $218,952.00 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 200 | $904.39 | $180,878.00 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 160 | $905.32 | $144,851.20 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 160 | $903.54 | $144,566.40 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 145 | $898.38 | $130,265.10 | filing |
| 2025-11-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 120 | $902.07 | $108,248.40 | filing |
| 2025-10-30 | MPWR | MONOLITHIC POWER SYSTEMS INC | Tax withholding | 54,543 | $1,096.63 | $59.8M | filing |
| 2025-10-25 | MPWR | MONOLITHIC POWER SYSTEMS INC | Award | 135,520 | $0.00 | $0.00 | filing |
| 2025-10-24 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,300 | $1,087.62 | $1.4M | filing |
| 2025-10-16 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,499 | $1,021.26 | $1.5M | filing |
| 2025-10-16 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 1,313 | $1,030.81 | $1.4M | filing |
| 2025-10-15 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 14,028 | $1,016.18 | $14.3M | filing |
| 2025-09-18 | MPWR | MONOLITHIC POWER SYSTEMS INC | Sale | 14,510 | $914.45 | $13.3M | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.