Sciammas Maurice
Sciammas Maurice is a corporate insider (EVP, WW Sales & Marketing) at MONOLITHIC POWER SYSTEMS INC (MPWR) filing SEC Form 4 transactions. 928 transactions, totaling $0 in purchases and $295,782,511 in sales. Source: SEC EDGAR.
Two decades of pure selling define Maurice Sciammas's Form 4 history at Monolithic Power Systems — 928 transactions since 2006, 2,053,072 shares sold, zero bought. His most recent trading day, July 15, 2026, shows an unusually granular laddered pattern: 18 separate sale tranches ranging from 50 to 5,640 shares, priced from $1,314.03 up to $1,405.71 — a single session capturing roughly a 7% price range as the stock moved. Read across his last three months of activity, the sale prices trace a broader decline: $1,571-$1,585 in mid-May 2026, down to $1,533.95 by June 1, and further to $1,314-$1,405 by mid-July — MPWR shares fell roughly 15-17% over that span. A 12,472-share gift transfer on May 29, 2026 stands apart from the routine sale program.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Sale | 110 | $1405.71 | $155K | 151,644 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 117 | $1400.45 | $164K | 151,754 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 213 | $1396.16 | $297K | 151,871 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 50 | $1388.19 | $69K | 152,084 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 410 | $1384.11 | $567K | 152,134 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 418 | $1378.73 | $576K | 152,544 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 472 | $1375.47 | $649K | 152,962 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 240 | $1369.18 | $329K | 153,434 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 50 | $1359.36 | $68K | 153,674 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 5,640 | $1352.95 | $7.63M | 153,724 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 1,506 | $1348.91 | $2.03M | 159,364 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 1,864 | $1344.16 | $2.51M | 160,870 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 1,460 | $1339.59 | $1.96M | 162,734 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 776 | $1334.59 | $1.04M | 164,194 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 464 | $1329.30 | $617K | 164,970 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 409 | $1323.93 | $541K | 165,434 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 274 | $1318.42 | $361K | 165,843 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 527 | $1314.03 | $692K | 166,117 | 7/15/2026 Filed: 7/15/2026 | Filing → | |
| Sale | 30 | $1351.61 | $41K | 1,149 | 7/1/2026 Filed: 7/1/2026 | Filing → | |
| Sale | 30 | $1533.95 | $46K | 1,179 | 6/1/2026 Filed: 6/1/2026 | Filing → |
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