Douglas M Mcburnie
CIK 1247701 · View on SEC EDGAR ↗
Insider
First SEC filing: May 25, 2007 · Latest: May 25, 2007
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 31 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
31 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 22, 2014 | MPWR | S | 3,493 | $38.32 | $133,852 | 0 Direct | -100.00% | Disposed | 3317.2% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 20,000 | $34.55 | $691,000 | 7,520 Direct | -72.67% | Disposed | 3690.1% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 15,000 | $34.55 | $518,250 | 7,520 Direct | -66.61% | Disposed | 3690.1% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 25,000 | $34.55 | $863,750 | 7,520 Direct | -76.88% | Disposed | 3690.1% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 705 | $34.55 | $24,358 | 7,520 Direct | -8.57% | Disposed | 3690.1% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 941 | $34.55 | $32,512 | 7,520 Direct | -11.12% | Disposed | 3690.1% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 1,176 | $34.55 | $40,631 | 7,520 Direct | -13.52% | Disposed | 3690.1% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 1,176 | $34.55 | $40,631 | 7,520 Direct | -13.52% | Disposed | 3690.1% (price as of 2026-08-20) |
| Feb. 19, 2014 | MPWR | S | 4,027 | $34.53 | $139,052 | 3,493 Direct | -53.55% | Disposed | 3692.3% (price as of 2026-08-20) |
| Feb. 22, 2013 | MPWR | S | 5,062 | $24.67 | $124,880 | 4,027 Direct | -55.69% | Disposed | 5208.0% (price as of 2026-08-20) |
| Feb. 22, 2013 | MPWR | S | 25,000 | $24.70 | $617,500 | 4,027 Direct | -86.13% | Disposed | 5201.6% (price as of 2026-08-20) |
| Feb. 14, 2012 | MPWR | S | 5,400 | $17.24 | $93,096 | 4,835 Direct | -52.76% | Disposed | 7495.6% (price as of 2026-08-20) |
| Aug. 14, 2009 | MPWR | S | 10,000 | $22.61 | $226,100 | 0 Direct | -100.00% | Disposed | 5691.6% (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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 19, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,176) | $12.28 | Feb. 18, 2016 | 1,176 | Disposed |
| Feb. 19, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (941) | $16.20 | May 24, 2014 | 941 | Disposed |
| Feb. 19, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (20,000) | — | May 24, 2014 | 20,000 | Disposed |
| Feb. 19, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,176) | $19.29 | Feb. 9, 2017 | 1,176 | Disposed |
| Feb. 19, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | — | Feb. 9, 2017 | 25,000 | Disposed |
| Feb. 19, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (705) | $22.01 | May 22, 2015 | 705 | Disposed |
| Feb. 19, 2014 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | — | May 22, 2015 | 15,000 | Disposed |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,176) | $12.28 | Feb. 18, 2016 | 1,176 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (941) | $16.20 | May 24, 2014 | 941 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (1,176) | $19.29 | Feb. 9, 2017 | 1,176 | Acquired |
| Feb. 28, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (705) | $22.01 | May 22, 2015 | 705 | Acquired |
| Feb. 22, 2013 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $12.86 | Feb. 18, 2016 | 25,000 | Disposed |
| Feb. 9, 2010 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $20.20 | Feb. 9, 2017 | 25,000 | Acquired |
| Aug. 14, 2009 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (10,000) | $16.97 | May 24, 2014 | 10,000 | Disposed |
| Feb. 18, 2009 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (25,000) | $12.86 | Feb. 18, 2016 | 25,000 | Acquired |
| May 22, 2008 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (15,000) | $23.05 | May 22, 2015 | 15,000 | Acquired |
| May 24, 2007 | MPWR | Non-Qualified Stock Option (right to buy) | Common Stock (30,000) | $16.97 | May 24, 2014 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 25, 2007 | MPWR | Non-Qualified Stock Option (right to buy)→ Common Stock (30,000) | 30,000 | Direct |