Tseng Saria (CIK 1312593) reported 75 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-02). Recent activity: Sell MPWR (2,000 shares), Buy MPWR (2,000 shares), Sell MPWR (7,565 shares), Sell MPWR (200 shares), Sell MPWR (5,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-02 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP & General Counsel | Sell | 2,000 | $0 |
| 2026-09-02 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP & General Counsel | Buy | 2,000 | $0 |
| 2026-05-29 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 7,565 | $12.9M |
| 2026-05-27 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 200 | $0 |
| 2026-05-27 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP & General Counsel | Sell | 5,000 | $7.9M |
| 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 | 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 | 560 | $709,229 |
| 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 | 244 | $278,150 |
| 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 | 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 |
来源：SEC Form 4 申报文件 · 截至 2026-09-02