Steven Barker
CIK 1403429 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 7, 2007 · Latest: Aug. 7, 2007
On this page
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 74 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
74 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 14, 2020 | MASI | S 10b5-1 | 10,000 | $190.00 | $1,900,000 | 66,245 Direct | -13.12% | Disposed | |
| Jan. 22, 2020 | MASI | S 10b5-1 | 10,000 | $175.00 | $1,750,000 | 66,245 Direct | -13.12% | Disposed | |
| July 26, 2019 | MASI | S 10b5-1 | 10,000 | $160.00 | $1,600,000 | 66,245 Direct | -13.12% | Disposed | |
| July 1, 2019 | MASI | S 10b5-1 | 10,000 | $150.00 | $1,500,000 | 66,245 Direct | -13.12% | Disposed | |
| May 16, 2019 | MASI | S 10b5-1 | 10,000 | $145.00 | $1,450,000 | 64,832 Direct | -13.36% | Disposed | |
| April 1, 2019 | MASI | S 10b5-1 | 10,000 | $140.00 | $1,400,000 | 64,832 Direct | -13.36% | Disposed | |
| March 28, 2019 | MASI | S 10b5-1 | 10,000 | $135.00 | $1,350,000 | 64,832 Direct | -13.36% | Disposed | |
| Feb. 25, 2019 | MASI | S 10b5-1 | 5,877 | $130.00 | $764,010 | 64,832 Direct | -8.31% | Disposed | |
| Feb. 19, 2019 | MASI | S 10b5-1 | 4,123 | $130.00 | $535,990 | 64,832 Direct | -5.98% | Disposed | |
| Aug. 9, 2018 | MASI | S 10b5-1 | 10,000 | $110.00 | $1,100,000 | 64,832 Direct | -13.36% | Disposed | |
| May 30, 2018 | MASI | S 10b5-1 | 10,000 | $100.00 | $1,000,000 | 63,249 Direct | -13.65% | Disposed | |
| Nov. 1, 2017 | MASI | S 10b5-1 | 10,000 | $90.00 | $900,000 | 63,249 Direct | -13.65% | Disposed | |
| April 25, 2017 | MASI | S 10b5-1 | 10,000 | $100.00 | $1,000,000 | 63,249 Direct | -13.65% | Disposed | |
| April 19, 2017 | MASI | S 10b5-1 | 10,000 | $95.00 | $950,000 | 60,000 Direct | -14.29% | Disposed | |
| July 21, 2015 | MASI | S 10b5-1 | 20,000 | $40.00 | $800,000 | 50,000 Direct | -28.57% | Disposed | |
| June 12, 2015 | MASI | S 10b5-1 | 25,000 | $38.00 | $950,000 | 45,000 Direct | -35.71% | Disposed | |
| June 4, 2015 | MASI | S 10b5-1 | 25,000 | $36.20 | $905,000 | 40,000 Direct | -38.46% | Disposed | |
| Sept. 20, 2012 | MASI | S 10b5-1 | 10,000 | $25.00 | $250,000 | 20,000 Direct | -33.33% | Disposed | |
| March 22, 2011 | MASI | S 10b5-1 | 10,000 | $32.00 | $320,000 | 0 Direct | -100.00% | Disposed | |
| Aug. 21, 2008 | MASI | S 10b5-1 | 8,770 | $37.95 | $332,822 | 0 Direct | -100.00% | Disposed | |
| July 9, 2008 | MASI | S 10b5-1 | 20,000 | $35.09 | $701,800 | 0 Direct | -100.00% | Disposed |
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 |
|---|---|---|---|---|---|---|---|
| May 29, 2020 | MASI | Restricted Stock Units | Common Stock (1,304) | — | May 30, 2029 | 1,304 | Disposed |
| April 14, 2020 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $41.80 | Dec. 17, 2025 | 10,000 | Disposed |
| Jan. 22, 2020 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $28.03 | Feb. 18, 2024 | 10,000 | Disposed |
| July 26, 2019 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $28.03 | Feb. 18, 2024 | 10,000 | Disposed |
| July 1, 2019 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $20.19 | Oct. 27, 2021 | 10,000 | Disposed |
| May 30, 2019 | MASI | Restricted Stock Units | Common Stock (1,304) | — | May 30, 2029 | 1,304 | Acquired |
| May 30, 2019 | MASI | Restricted Stock Units | Common Stock (1,413) | — | May 31, 2028 | 1,413 | Disposed |
| May 16, 2019 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $21.97 | May 28, 2023 | 10,000 | Disposed |
| April 1, 2019 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $20.19 | Oct. 27, 2021 | 10,000 | Disposed |
| March 28, 2019 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $21.97 | May 28, 2023 | 10,000 | Disposed |
| Feb. 25, 2019 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (5,877) | $30.06 | Feb. 22, 2021 | 5,877 | Disposed |
| Feb. 19, 2019 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (4,123) | $30.06 | Feb. 22, 2021 | 4,123 | Disposed |
| Aug. 9, 2018 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $30.06 | Feb. 22, 2021 | 10,000 | Disposed |
| May 31, 2018 | MASI | Restricted Stock Units | Common Stock (1,413) | — | May 31, 2028 | 1,413 | Acquired |
| May 31, 2018 | MASI | Restricted Stock Units | Common Stock (1,583) | — | June 1, 2027 | 1,583 | Disposed |
| May 30, 2018 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $27.25 | Feb. 11, 2020 | 10,000 | Disposed |
| Nov. 1, 2017 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $27.25 | Feb. 11, 2020 | 10,000 | Disposed |
| June 1, 2017 | MASI | Restricted Stock Units | Common Stock (1,583) | — | June 1, 2027 | 1,583 | Acquired |
| April 25, 2017 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $23.98 | Jan. 11, 2019 | 10,000 | Disposed |
| April 20, 2017 | MASI | Restricted Stock Units | Common Stock (3,249) | — | April 20, 2026 | 3,249 | Disposed |
| April 19, 2017 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $23.98 | Jan. 1, 2019 | 10,000 | Disposed |
| April 20, 2016 | MASI | Restricted Stock Units | Common Stock (3,249) | — | April 20, 2026 | 3,249 | Acquired |
| Dec. 17, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (20,000) | $41.80 | Dec. 17, 2025 | 20,000 | Acquired |
| July 21, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $4.67 | Oct. 10, 2015 | 10,000 | Disposed |
| July 21, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (20,000) | $4.67 | Oct. 10, 2015 | 20,000 | Disposed |
| June 12, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (5,000) | $4.67 | Oct. 10, 2015 | 5,000 | Disposed |
| June 12, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (25,000) | $4.67 | Oct. 10, 2015 | 25,000 | Disposed |
| June 4, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (25,000) | $4.67 | Oct. 10, 2015 | 25,000 | Disposed |
| June 4, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (5,000) | $4.67 | Oct. 10, 2015 | 5,000 | Disposed |
| Feb. 25, 2015 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (20,000) | $4.67 | Oct. 10, 2015 | 20,000 | Disposed |
| Feb. 18, 2014 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (20,000) | $28.03 | Feb. 18, 2024 | 20,000 | Acquired |
| May 28, 2013 | MASI | Non-qualified Stock Option (Right to buy) | Common Stock (20,000) | $21.97 | May 28, 2023 | 20,000 | Acquired |
| Sept. 20, 2012 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $4.67 | Oct. 10, 2015 | 10,000 | Disposed |
| Oct. 27, 2011 | MASI | Non-qualified Stock Option (Right to buy) | Common Stock (20,000) | $20.19 | Oct. 27, 2021 | 20,000 | Acquired |
| March 22, 2011 | MASI | Non-Qualified Stock Option (Right to Buy) | Common Stock (10,000) | $4.67 | Oct. 10, 2015 | 10,000 | Acquired |
| Feb. 22, 2011 | MASI | Non-qualified Stock Option (Right to buy) | Common Stock (20,000) | $30.06 | Feb. 22, 2021 | 20,000 | Acquired |
| Feb. 26, 2010 | MASI | Non-qualified stock option (right to buy) | Common Stock (10,000) | $4.67 | Oct. 10, 2015 | 10,000 | Disposed |
| Feb. 11, 2010 | MASI | Non-qualified Stock Option (right to buy) | Common Stock (20,000) | $27.25 | Feb. 11, 2020 | 20,000 | Acquired |
| Jan. 11, 2009 | MASI | Non-qualified Stock Option (right to buy) | Common Stock (20,000) | $23.98 | Jan. 11, 2019 | 20,000 | Acquired |
| Aug. 21, 2008 | MASI | Non-qualified stock option (right to buy) | Common Stock (10,000) | $4.67 | Oct. 10, 2015 | 10,000 | Disposed |
| Aug. 21, 2008 | MASI | Non-qualified stock option (right to buy) | Common Stock (10,000) | $11.56 | Oct. 2, 2016 | 10,000 | Disposed |
| July 9, 2008 | MASI | Non-qualified stock option (right to buy) | Common Stock (20,000) | $11.56 | Oct. 2, 2016 | 20,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 7, 2007 | MASI | Nonqualified Stock Option (right to buy)→ Common Stock (150,000) | 150,000 | Direct |
| Aug. 7, 2007 | MASI | Nonqualified Stock Option (right to buy)→ Common Stock (30,000) | 30,000 | Direct |