Sciammas Maurice (CIK 1360833) reported 83 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-06). Recent activity: Sell MPWR (25,000 shares), Buy MPWR (25,000 shares), Sell MPWR (30 shares), Sell MPWR (50 shares), Sell MPWR (274 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-06 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 25,000 | $0 |
| 2026-08-06 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Buy | 25,000 | $0 |
| 2026-08-05 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 30 | $40,318 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 50 | $67,968 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 274 | $361,247 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 409 | $541,487 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 464 | $616,795 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 776 | $1.0M |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 1,460 | $2.0M |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 1,864 | $2.5M |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 1,506 | $2.0M |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 5,640 | $7.6M |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 527 | $692,494 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 240 | $328,603 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 472 | $649,222 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 418 | $576,309 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 410 | $567,485 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 50 | $69,410 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 213 | $297,382 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 117 | $163,853 |
| 2026-07-17 | MONOLITHIC POWER SYSTEMS, INC. (MPWR) | EVP, WW Sales & Marketing | Sell | 110 | $154,628 |
| 2026-07-06 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP, WW Sales & Marketing | Sell | 30 | $40,548 |
| 2026-06-03 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP, WW Sales & Marketing | Sell | 30 | $46,018 |
| 2026-06-02 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP, WW Sales & Marketing | Sell | 12,472 | $0 |
| 2026-05-19 | MONOLITHIC POWER SYSTEMS INC (MPWR) | EVP, WW Sales & Marketing | Sell | 3,741 | $5.8M |
Source: SEC Form 4 filings · as of 2026-08-06