Stuart H Campbell
CIK 1257603 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 28, 2018 · Latest: Nov. 28, 2018
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 77 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
77 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 11, 2018 | MLAB | S | 989 | $191.17 | $189,067 | 41,527 Direct | -2.33% | Disposed | -36.8% (price as of 2026-08-20) |
| Aug. 21, 2017 | MLAB | S | 1,000 | $130.16 | $130,160 | 42,366 Direct | -2.31% | Disposed | -7.2% (price as of 2026-08-20) |
| Aug. 18, 2017 | MLAB | S | 1,000 | $130.00 | $130,000 | 43,366 Direct | -2.25% | Disposed | -7.1% (price as of 2026-08-20) |
| Aug. 17, 2017 | MLAB | S | 1,000 | $130.83 | $130,830 | 44,366 Direct | -2.20% | Disposed | -7.7% (price as of 2026-08-20) |
| Aug. 15, 2017 | MLAB | S | 2 | $134.10 | $268 | 45,366 Direct | 0.00% | Disposed | -10.0% (price as of 2026-08-20) |
| Aug. 11, 2017 | MLAB | S | 608 | $134.08 | $81,521 | 45,368 Direct | -1.32% | Disposed | -10.0% (price as of 2026-08-20) |
| Aug. 10, 2017 | MLAB | S | 1,000 | $136.58 | $136,580 | 45,976 Direct | -2.13% | Disposed | -11.6% (price as of 2026-08-20) |
| Aug. 9, 2017 | MLAB | S | 1,000 | $137.61 | $137,610 | 46,976 Direct | -2.08% | Disposed | -12.3% (price as of 2026-08-20) |
| Aug. 4, 2017 | MLAB | S | 1,000 | $143.09 | $143,090 | 47,976 Direct | -2.04% | Disposed | -15.6% (price as of 2026-08-20) |
| Aug. 3, 2017 | MLAB | S | 1,000 | $143.12 | $143,120 | 48,976 Direct | -2.00% | Disposed | -15.6% (price as of 2026-08-20) |
| Aug. 2, 2017 | MLAB | S | 1,000 | $143.61 | $143,610 | 49,976 Direct | -1.96% | Disposed | -15.9% (price as of 2026-08-20) |
| Feb. 7, 2017 | MLAB | S | 8,000 | $121.55 | $972,400 | 55,930 Direct | -12.51% | Disposed | -0.7% (price as of 2026-08-20) |
| Oct. 21, 2016 | MLAB | S | 4,000 | $119.02 | $476,080 | 63,930 Direct | -5.89% | Disposed | 1.4% (price as of 2026-08-20) |
| Sept. 16, 2016 | MLAB | S | 3,000 | $115.03 | $345,090 | 67,930 Direct | -4.23% | Disposed | 5.0% (price as of 2026-08-20) |
| March 11, 2016 | MLAB | S | 3,816 | $86.45 | $329,893 | 70,071 Direct | -5.16% | Disposed | 39.7% (price as of 2026-08-20) |
| March 10, 2016 | MLAB | S | 2,184 | $86.09 | $188,021 | 73,887 Direct | -2.87% | Disposed | 40.2% (price as of 2026-08-20) |
| March 7, 2016 | MLAB | S | 280 | $90.00 | $25,200 | 76,071 Direct | -0.37% | Disposed | 34.1% (price as of 2026-08-20) |
| Feb. 29, 2016 | MLAB | S | 1,903 | $90.84 | $172,869 | 76,351 Direct | +2.56% | Acquired | 32.9% (price as of 2026-08-20) |
| Feb. 24, 2016 | MLAB | S | 1,500 | $92.75 | $139,125 | 78,254 Direct | -1.88% | Disposed | 30.2% (price as of 2026-08-20) |
| Feb. 23, 2016 | MLAB | S | 12 | $100.00 | $1,200 | 79,754 Direct | -0.02% | Disposed | 20.7% (price as of 2026-08-20) |
| Feb. 22, 2016 | MLAB | S | 20 | $100.00 | $2,000 | 79,766 Direct | -0.03% | Disposed | 20.7% (price as of 2026-08-20) |
| Sept. 22, 2015 | MLAB | P | 150 | $109.54 | $16,431 | 78,848 Direct | +0.19% | Acquired | 10.2% (price as of 2026-08-20) |
| March 5, 2013 | MLAB | S | 30,000 | $52.75 | $1,582,500 | 75,848 Direct | -28.34% | Disposed | 128.9% (price as of 2026-08-20) |
Showing latest 100 of 154 transactions
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 |
|---|---|---|---|---|---|---|---|
| April 2, 2018 | MLAB | Non-Qualified Stock Option | Common Stock (450) | $142.40 | April 2, 2024 | 450 | Acquired |
| April 3, 2017 | MLAB | Non-Qualified Stock Option | Common Stock (1,000) | $122.66 | April 3, 2023 | 1,000 | Acquired |
| April 3, 2017 | MLAB | Non-Qualified Stock Option | Common Stock (830) | $122.66 | April 3, 2023 | 830 | Acquired |
| June 2, 2016 | MLAB | Non Qualified Stock Option | Common Stock (250) | $50.50 | April 2, 2022 | 250 | Disposed |
| June 2, 2016 | MLAB | Non Qualified Stock Option | Common Stock (250) | $51.85 | April 1, 2023 | 250 | Disposed |
| June 2, 2016 | MLAB | Non Qualified Stock Option | Common Stock (171) | $89.70 | April 1, 2022 | 171 | Disposed |
| June 2, 2016 | MLAB | Non Qualified Stock Option | Common Stock (188) | $70.56 | April 1, 2023 | 188 | Disposed |
| April 1, 2016 | MLAB | Non-qualified stock option | Common Stock (1,000) | $97.78 | April 1, 2022 | 1,000 | Acquired |
| Oct. 7, 2015 | MLAB | Non-Qualified Stock Options | Common Stock (250) | $29.20 | April 6, 2021 | 250 | Disposed |
| Oct. 7, 2015 | MLAB | Non-Qualified Stock Option | Common Stock (250) | $50.50 | April 2, 2022 | 250 | Disposed |
| Oct. 7, 2015 | MLAB | Non Qualified Stock Option | Common Stock (250) | $51.85 | April 1, 2023 | 250 | Disposed |
| Oct. 7, 2015 | MLAB | Non Qualified Stock Options | Common Stock (171) | $89.70 | April 1, 2022 | 171 | Disposed |
| Oct. 7, 2015 | MLAB | Non Qualified Stock Option | Common Stock (17) | $58.51 | April 2, 2022 | 17 | Disposed |
| April 1, 2015 | MLAB | Non-Qualified Stock Option | Common Stock (1,320) | $70.56 | April 1, 2023 | 1,320 | Acquired |
| Oct. 2, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (120) | $58.51 | Oct. 2, 2022 | 120 | Acquired |
| April 7, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (250) | $29.20 | April 6, 2021 | 250 | Disposed |
| April 7, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (500) | $25.56 | April 1, 2020 | 500 | Disposed |
| April 7, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (500) | $50.50 | April 2, 2022 | 500 | Disposed |
| April 7, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (250) | $51.85 | April 1, 2023 | 250 | Disposed |
| April 1, 2014 | MLAB | Non-Qualified Stock Option | Common Stock (1,200) | $89.70 | April 1, 2022 | 1,200 | Acquired |
| May 3, 2013 | MLAB | Non-Qualified Stock Option | Common Stock (250) | $29.20 | April 6, 2021 | 250 | Disposed |
| May 3, 2013 | MLAB | Non-Qualified Stock Option | Common Stock (500) | $25.56 | April 1, 2020 | 500 | Disposed |
| May 3, 2013 | MLAB | Non-Qualified Stock Option | Common Stock (600) | $16.60 | April 1, 2019 | 600 | Disposed |
| April 1, 2013 | MLAB | Non-Qualified Stock Option | Common Stock (1,000) | $51.85 | April 1, 2023 | 1,000 | Acquired |
| April 17, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (450) | $21.93 | April 1, 2018 | 450 | Disposed |
| April 17, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (600) | $16.60 | April 1, 2019 | 600 | Disposed |
| April 17, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (500) | $25.56 | April 1, 2020 | 500 | Disposed |
| April 17, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (250) | $29.20 | April 6, 2021 | 250 | Disposed |
| April 2, 2012 | MLAB | Non-Qualified Stock Option | Common Stock (1,000) | $50.50 | April 2, 2022 | 1,000 | Acquired |
| June 1, 2011 | MLAB | Non-Qualified Stock Option | Common Stock (450) | $21.93 | April 1, 2018 | 450 | Disposed |
| June 1, 2011 | MLAB | Non-Qualified Stock Option | Common Stock (1,000) | $18.98 | May 11, 2017 | 1,000 | Disposed |
| June 1, 2011 | MLAB | Non-Qualified Stock Option | Common Stock (500) | $25.56 | April 1, 2020 | 500 | Disposed |
| June 1, 2011 | MLAB | Non-Qualified Stock Option | Common Stock (600) | $16.60 | April 1, 2019 | 600 | Disposed |
| April 6, 2011 | MLAB | NQ Stock Purchase Option | Common Stock (1,000) | $29.20 | April 6, 2021 | 1,000 | Acquired |
| April 16, 2010 | MLAB | NQ Stock Option | Common Stock (600) | $16.60 | April 1, 2019 | 600 | Disposed |
| April 16, 2010 | MLAB | NQ Stock Option | Common Stock (900) | $21.93 | April 1, 2018 | 900 | Disposed |
| April 16, 2010 | MLAB | NQ Stock Option | Common Stock (500) | $18.98 | May 11, 2017 | 500 | Disposed |
| April 16, 2010 | MLAB | NQ Stock Option | Common Stock (1,350) | $15.44 | March 20, 2016 | 1,350 | Disposed |
| April 16, 2010 | MLAB | NQ Stock Option | Common Stock (750) | $11.91 | June 14, 2015 | 750 | Disposed |
| April 1, 2010 | MLAB | NQ Stock Purchase Option | Common Stock (2,000) | $25.56 | April 1, 2020 | 2,000 | Acquired |
| April 1, 2009 | MLAB | NQ stock purchase option | Common stock (2,400) | $16.60 | April 1, 2019 | 2,400 | Acquired |
| July 15, 2008 | MLAB | NQ stock purchase option | Common Stock (1,000) | $10.00 | July 14, 2014 | 1,000 | Disposed |
| July 15, 2008 | MLAB | NQ stock purchase option | Common Stock (750) | $11.91 | June 15, 2015 | 750 | Disposed |
| May 29, 2008 | MLAB | non statutory purchase option | Common Stock (500) | $18.98 | May 11, 2017 | 500 | Disposed |
| Aug. 15, 2007 | MLAB | Non Statutory Purchase Option | Common Stock (1,000) | $7.00 | June 19, 2013 | 1,000 | Disposed |
| Aug. 15, 2007 | MLAB | Non Statutory Purchase Option | Common Stock (1,000) | $10.00 | July 14, 2014 | 1,000 | Disposed |
| Aug. 15, 2007 | MLAB | Non Statutory Purchase Option | Common Stock (750) | $11.91 | June 14, 2015 | 750 | Disposed |
| May 11, 2007 | MLAB | NQ stock purchase option | Common stock (2,000) | $18.98 | May 11, 2017 | 2,000 | Acquired |
| March 26, 2007 | MLAB | non statutory purchase option | common stock (1,000) | $5.91 | Oct. 15, 2012 | 1,000 | Disposed |
| March 26, 2007 | MLAB | non statutory purchase option | common stock (1,000) | $7.00 | June 18, 2013 | 1,000 | Disposed |
| March 26, 2007 | MLAB | non statutory purchase option | common stock (1,000) | $10.00 | July 14, 2014 | 1,000 | Disposed |
| March 26, 2007 | MLAB | non statutory purchase option | common stock (750) | $11.91 | June 14, 2015 | 750 | Disposed |
| March 26, 2007 | MLAB | non statutory purchase option | common stock (675) | $15.44 | March 20, 2016 | 675 | Disposed |
| March 20, 2006 | MLAB | Non-statuatory purchase option | common stock (2,700) | $15.44 | March 20, 2016 | 2,700 | Acquired |
| Nov. 7, 2005 | MLAB | non statuatory purchase option | common stock (1,000) | $5.50 | June 26, 2010 | 1,000 | Disposed |
| Nov. 7, 2005 | MLAB | non statuatory purchase option | common stock (2,000) | $4.55 | July 1, 2011 | 2,000 | Disposed |
| Nov. 7, 2005 | MLAB | non statuatory purchase option | common stock (2,000) | $5.91 | Oct. 15, 2012 | 2,000 | Disposed |
| Nov. 7, 2005 | MLAB | non statuatory purchase option | common stock (2,000) | $7.00 | June 18, 2013 | 2,000 | Disposed |
| Nov. 7, 2005 | MLAB | non statuatory purchase option | common stock (1,000) | $10.00 | July 13, 2014 | 1,000 | Disposed |
| June 14, 2005 | MLAB | NQ stock purchase option | common stock (3,000) | $11.91 | June 13, 2015 | 3,000 | Acquired |
| May 29, 2005 | MLAB | non statutory purchase option | Common Stock (675) | $15.44 | March 20, 2016 | 675 | Disposed |
| July 14, 2004 | MLAB | Director stock option | common stock (4,000) | $10.00 | July 13, 2014 | 4,000 | Acquired |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (4,000) | $7.00 | March 31, 2006 | 4,000 | Disposed |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (4,000) | $4.88 | March 31, 2007 | 4,000 | Disposed |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (4,000) | $5.75 | March 31, 2008 | 4,000 | Disposed |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (4,000) | $5.00 | March 31, 2009 | 4,000 | Disposed |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (4,000) | $3.75 | Nov. 4, 2009 | 4,000 | Disposed |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (3,000) | $5.50 | June 26, 2010 | 3,000 | Disposed |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (2,000) | $4.55 | July 1, 2011 | 2,000 | Disposed |
| Nov. 12, 2003 | MLAB | stock purchase option | common stock (1,000) | $5.91 | Oct. 15, 2012 | 1,000 | Disposed |
| April 1, 2003 | MLAB | NQ Stock purchase option | Common Stock (1,800) | $21.93 | April 1, 2018 | 1,800 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).