Robert W Dean II
CIK 1445300 · View on SEC EDGAR ↗
Insider
First SEC filing: March 9, 2026 · Latest: March 9, 2026
On this page
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net:
$-192,173
+ 2 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | MPWR | S | 6 | $1413.64 | $8,482 | 7,126 Direct | -0.08% | Disposed | -7.4% (price as of 2026-08-20) |
| Aug. 5, 2026 | MPWR | S | 105 | $1344.27 | $141,148 | 7,132 Direct | -1.45% | Disposed | -2.6% (price as of 2026-08-20) |
| May 26, 2026 | MPWR | S | 22 | $1649.56 | $36,290 | 5,878 Direct | -0.37% | Disposed | -20.6% (price as of 2026-08-20) |
| May 18, 2026 | MPWR | S | 4 | $1563.28 | $6,253 | 5,900 Direct | -0.07% | Disposed | -16.2% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.