Tseng Saria (CIK 1312593) reported 64 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-29). Recent activity: Sell MPWR (7,565 shares), Sell MPWR (560 shares), Sell MPWR (360 shares), Sell MPWR (240 shares), Sell MPWR (120 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-29 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 7,565 | $12.9M |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 560 | $709,229 |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 360 | $457,304 |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 240 | $307,092 |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 120 | $154,454 |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 400 | $516,832 |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 800 | $1.0M |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 1,279 | $1.7M |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 4,244 | $5.6M |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 840 | $1.1M |
| 2026-04-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 120 | $158,633 |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 556 | $636,298 |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 244 | $278,150 |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 480 | $551,544 |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 560 | $649,387 |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 684 | $797,311 |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 2,036 | $2.4M |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 1,680 | $2.0M |
| 2026-04-08 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 1,396 | $1.6M |
| 2026-04-03 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 576 | $651,594 |
| 2026-04-03 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 184 | $208,316 |
| 2026-04-03 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 160 | $181,462 |
| 2026-04-03 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 188 | $213,551 |
| 2026-04-03 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 292 | $332,001 |
| 2026-02-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 22,875 | $26.8M |
Source: SEC Form 4 filings · as of 2026-05-29