BLEGEN THEODORE (CIK 1415033) reported 98 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-10). Recent activity: Sell MPWR (21,725 shares), Buy MPWR (38,745 shares), Sell MPWR (322 shares), Sell MPWR (40 shares), Sell MPWR (80 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-10 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 21,725 | $25.4M |
| 2026-02-05 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Buy | 38,745 | $0 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 322 | $364,720 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 40 | $44,684 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 80 | $89,662 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 40 | $44,902 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 200 | $225,316 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 80 | $90,191 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 240 | $270,823 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 240 | $271,027 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 320 | $361,754 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 198 | $224,077 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 220 | $244,328 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 379 | $429,585 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 241 | $273,393 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 120 | $136,259 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 120 | $136,362 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 80 | $91,025 |
| 2026-02-04 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 80 | $91,159 |
| 2026-01-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 80 | $74,209 |
| 2026-01-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 194 | $180,587 |
| 2026-01-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 80 | $74,691 |
| 2026-01-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 40 | $37,390 |
| 2026-01-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 80 | $74,826 |
| 2026-01-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP and CFO | Sell | 120 | $112,380 |
Source: SEC Form 4 filings · as of 2026-02-10