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Michael Zack
Insider
First SEC filing: Aug. 19, 2003 · Latest: Aug. 19, 2003
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 8, 2013 | HSIC | F | 7,008 | $90.32 | $632,963 | 48,716 Direct | -12.58% | Disposed | 139.6% (price as of 2026-10-02) |
| March 8, 2013 | HSIC | A | 3,145 | · | · | 55,724 Direct | +5.98% | Acquired | (price as of 2026-10-02) |
| March 7, 2013 | HSIC | M | 16,471 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 7, 2013 | HSIC | M | 14,053 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 7, 2013 | HSIC | S | 16,471 | $89.58 | $1,475,472 | 52,579 Direct | -23.85% | Disposed | 141.6% (price as of 2026-10-02) |
| March 7, 2013 | HSIC | M | 16,471 | $51.23 | $843,809 | 69,050 Direct | +31.33% | Acquired | 322.5% (price as of 2026-10-02) |
| March 7, 2013 | HSIC | S | 14,053 | $89.76 | $1,261,397 | 52,579 Direct | -21.09% | Disposed | 141.1% (price as of 2026-10-02) |
| March 7, 2013 | HSIC | M | 14,053 | $47.31 | $664,847 | 66,632 Direct | +26.73% | Acquired | 357.5% (price as of 2026-10-02) |
| Dec. 10, 2012 | HSIC | S | 6,474 | $80.28 | $519,733 | 52,579 Direct | -10.96% | Disposed | 169.6% (price as of 2026-10-02) |
| March 9, 2012 | HSIC | F | 8,932 | $73.93 | $660,343 | 59,053 Direct | -13.14% | Disposed | 192.8% (price as of 2026-10-02) |
| March 9, 2012 | HSIC | A | 10,329 | · | · | 67,985 Direct | +17.91% | Acquired | (price as of 2026-10-02) |
| March 2, 2012 | HSIC | A | 10,257 | $73.12 | $749,992 | 57,656 Direct | +21.64% | Acquired | 196.0% (price as of 2026-10-02) |
| March 1, 2012 | HSIC | M | 24,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 1, 2012 | HSIC | M | 7,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 1, 2012 | HSIC | S | 24,000 | $73.55 | $1,765,200 | 47,399 Direct | -33.61% | Disposed | 194.3% (price as of 2026-10-02) |
| March 1, 2012 | HSIC | M | 24,000 | $39.43 | $946,320 | 71,399 Direct | +50.63% | Acquired | 448.9% (price as of 2026-10-02) |
| March 1, 2012 | HSIC | S | 7,000 | $73.86 | $517,020 | 47,399 Direct | -12.87% | Disposed | 193.0% (price as of 2026-10-02) |
| March 1, 2012 | HSIC | M | 7,000 | $35.49 | $248,430 | 54,399 Direct | +14.77% | Acquired | 509.9% (price as of 2026-10-02) |
| March 9, 2011 | HSIC | A | 9,359 | $69.45 | $649,983 | 47,399 Direct | +24.60% | Acquired | 211.7% (price as of 2026-10-02) |
| March 3, 2011 | HSIC | M | 25,000 | · | · | 7,000 Direct | -78.12% | Disposed | (price as of 2026-10-02) |
| March 3, 2011 | HSIC | F | 643 | $69.60 | $44,753 | 38,040 Direct | -1.66% | Disposed | 211.0% (price as of 2026-10-02) |
| March 3, 2011 | HSIC | D | 3,306 | · | · | 38,683 Direct | -7.87% | Disposed | (price as of 2026-10-02) |
| March 3, 2011 | HSIC | S | 25,000 | $69.44 | $1,736,000 | 41,989 Direct | -37.32% | Disposed | 211.7% (price as of 2026-10-02) |
| March 3, 2011 | HSIC | M | 25,000 | $35.49 | $887,250 | 66,989 Direct | +59.54% | Acquired | 509.9% (price as of 2026-10-02) |
| Sept. 13, 2010 | HSIC | M | 17,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 13, 2010 | HSIC | S | 17,500 | $56.63 | $991,025 | 41,990 Direct | -29.42% | Disposed | 282.2% (price as of 2026-10-02) |
| Sept. 13, 2010 | HSIC | M | 17,500 | $20.41 | $357,175 | 59,490 Direct | +41.68% | Acquired | 960.5% (price as of 2026-10-02) |
| March 10, 2010 | HSIC | A | 8,566 | $56.03 | $479,953 | 41,990 Direct | +25.63% | Acquired | 286.3% (price as of 2026-10-02) |
| March 5, 2010 | HSIC | F | 1,558 | $56.88 | $88,619 | 33,424 Direct | -4.45% | Disposed | 280.5% (price as of 2026-10-02) |
| March 5, 2010 | HSIC | D | 165 | · | · | 34,982 Direct | -0.47% | Disposed | (price as of 2026-10-02) |
| March 9, 2009 | HSIC | A | 13,941 | · | · | 35,147 Direct | +65.74% | Acquired | (price as of 2026-10-02) |
| March 2, 2009 | HSIC | A | 1,379 | · | · | 15,272 Direct | +9.93% | Acquired | (price as of 2026-10-02) |
| March 2, 2009 | HSIC | F | 2,066 | $35.07 | $72,455 | 13,206 Direct | -13.53% | Disposed | 517.2% (price as of 2026-10-02) |
| Aug. 6, 2008 | HSIC | M | 14,500 | · | · | 17,500 Direct | -45.31% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2008 | HSIC | M | 4,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2008 | HSIC | S | 18,500 | $57.41 | $1,062,085 | 8,000 Direct | -69.81% | Disposed | 277.0% (price as of 2026-10-02) |
| Aug. 6, 2008 | HSIC | M | 14,500 | $20.41 | $295,945 | 26,500 Direct | +120.83% | Acquired | 960.5% (price as of 2026-10-02) |
| Aug. 6, 2008 | HSIC | M | 4,000 | $19.42 | $77,680 | 12,000 Direct | +50.00% | Acquired | 1014.5% (price as of 2026-10-02) |
| March 3, 2008 | HSIC | A | 23,006 | · | · | 23,006 Direct | · | Acquired | (price as of 2026-10-02) |
| March 3, 2008 | HSIC | A | 5,009 | · | · | 13,893 Direct | +56.38% | Acquired | (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | M | 22,000 | · | · | 4,000 Direct | -84.62% | Disposed | (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 400 | $56.41 | $22,564 | 8,000 Direct | -4.76% | Disposed | 283.7% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 8,600 | $56.40 | $485,040 | 8,400 Direct | -50.59% | Disposed | 283.8% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 300 | $56.35 | $16,905 | 17,000 Direct | -1.73% | Disposed | 284.1% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 100 | $56.34 | $5,634 | 17,300 Direct | -0.57% | Disposed | 284.2% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 100 | $56.33 | $5,633 | 17,400 Direct | -0.57% | Disposed | 284.2% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 400 | $56.31 | $22,524 | 17,500 Direct | -2.23% | Disposed | 284.4% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 2,600 | $56.30 | $146,380 | 17,900 Direct | -12.68% | Disposed | 284.4% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 2,500 | $56.15 | $140,375 | 20,500 Direct | -10.87% | Disposed | 285.5% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 2,000 | $56.10 | $112,200 | 23,000 Direct | -8.00% | Disposed | 285.8% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 2,000 | $56.05 | $112,100 | 25,000 Direct | -7.41% | Disposed | 286.2% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 100 | $56.01 | $5,601 | 27,000 Direct | -0.37% | Disposed | 286.4% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | S | 2,900 | $56.00 | $162,400 | 27,100 Direct | -9.67% | Disposed | 286.5% (price as of 2026-10-02) |
| Aug. 17, 2007 | HSIC | M | 22,000 | $19.42 | $427,240 | 30,000 Direct | +275.00% | Acquired | 1014.5% (price as of 2026-10-02) |
| March 5, 2007 | HSIC | A | 16,471 | · | · | 16,471 Direct | · | Acquired | (price as of 2026-10-02) |
| March 5, 2007 | HSIC | A | 4,392 | · | · | 8,884 Direct | +97.77% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | M | 6,000 | · | · | 6,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | M | 14,000 | · | · | 14,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | S | 5,000 | $53.21 | $266,050 | 8,000 Direct | -38.46% | Disposed | 306.8% (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | S | 5,000 | $53.14 | $265,700 | 13,000 Direct | -27.78% | Disposed | 307.3% (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | S | 5,000 | $53.11 | $265,550 | 18,000 Direct | -21.74% | Disposed | 307.5% (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | S | 5,000 | $53.11 | $265,550 | 23,000 Direct | -17.86% | Disposed | 307.5% (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | M | 6,000 | $19.42 | $116,520 | 28,000 Direct | +27.27% | Acquired | 1014.5% (price as of 2026-10-02) |
| Feb. 27, 2007 | HSIC | M | 14,000 | $14.31 | $200,340 | 22,000 Direct | +175.00% | Acquired | 1412.5% (price as of 2026-10-02) |
| May 11, 2006 | HSIC | M | 15,000 | $14.31 | $214,650 | 23,000 Direct | +187.50% | Acquired | 1412.5% (price as of 2026-10-02) |
| May 11, 2006 | HSIC | M | 15,000 | · | · | 14,000 Direct | -51.72% | Disposed | (price as of 2026-10-02) |
| May 11, 2006 | HSIC | S | 10,000 | $47.23 | $472,300 | 8,000 Direct | -55.56% | Disposed | 358.3% (price as of 2026-10-02) |
| May 11, 2006 | HSIC | S | 5,000 | $47.23 | $236,150 | 18,000 Direct | -21.74% | Disposed | 358.3% (price as of 2026-10-02) |
| March 2, 2006 | HSIC | A | 14,053 | · | · | 14,053 Direct | · | Acquired | (price as of 2026-10-02) |
| March 2, 2006 | HSIC | A | 4,492 | · | · | 4,492 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | M | 6,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | M | 8,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 300 | $43.35 | $13,005 | 8,000 Direct | -3.61% | Disposed | 399.3% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 800 | $43.33 | $34,664 | 8,300 Direct | -8.79% | Disposed | 399.5% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 2,600 | $43.32 | $112,632 | 9,100 Direct | -22.22% | Disposed | 399.6% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 2,201 | $43.31 | $95,325 | 11,700 Direct | -15.83% | Disposed | 399.8% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 7,499 | $43.30 | $324,707 | 13,901 Direct | -35.04% | Disposed | 399.9% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 300 | $43.29 | $12,987 | 21,400 Direct | -1.38% | Disposed | 400.0% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 400 | $43.28 | $17,312 | 21,700 Direct | -1.81% | Disposed | 400.1% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | S | 900 | $43.26 | $38,934 | 22,100 Direct | -3.91% | Disposed | 400.3% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | M | 6,500 | $5.91 | $38,415 | 23,000 Direct | +39.39% | Acquired | 3562.3% (price as of 2026-10-02) |
| Dec. 1, 2005 | HSIC | M | 8,500 | $19.94 | $169,490 | 16,500 Direct | +106.25% | Acquired | 985.5% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | M | 7,500 | · | · | 8,500 Direct | -46.88% | Disposed | (price as of 2026-10-02) |
| March 15, 2005 | HSIC | M | 7,500 | · | · | 6,500 Direct | -53.57% | Disposed | (price as of 2026-10-02) |
| March 15, 2005 | HSIC | S | 800 | $37.92 | $30,336 | 8,000 Direct | -9.09% | Disposed | 470.8% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | S | 200 | $37.92 | $7,584 | 8,800 Direct | -2.22% | Disposed | 470.8% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | S | 300 | $37.91 | $11,373 | 9,000 Direct | -3.23% | Disposed | 470.9% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | S | 7,500 | $37.90 | $284,250 | 9,300 Direct | -44.64% | Disposed | 471.1% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | S | 200 | $37.89 | $7,578 | 16,800 Direct | -1.18% | Disposed | 471.2% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | S | 900 | $37.88 | $34,092 | 17,000 Direct | -5.03% | Disposed | 471.4% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | S | 5,100 | $37.87 | $193,137 | 17,900 Direct | -22.17% | Disposed | 471.5% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | M | 7,500 | $19.94 | $149,550 | 23,000 Direct | +48.39% | Acquired | 985.5% (price as of 2026-10-02) |
| March 15, 2005 | HSIC | M | 7,500 | $5.91 | $44,325 | 15,500 Direct | +93.75% | Acquired | 3562.3% (price as of 2026-10-02) |
| March 9, 2005 | HSIC | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 3, 2004 | HSIC | M | 3,000 | · | · | 7,000 Direct | -30.00% | Disposed | (price as of 2026-10-02) |
| Dec. 3, 2004 | HSIC | M | 3,000 | · | · | 8,000 Direct | -27.27% | Disposed | (price as of 2026-10-02) |
| Dec. 3, 2004 | HSIC | S | 300 | $67.30 | $20,190 | 4,000 Direct | -6.98% | Disposed | 543.2% (price as of 2026-10-02) |
| Dec. 3, 2004 | HSIC | S | 1,100 | $67.29 | $74,019 | 4,300 Direct | -20.37% | Disposed | 543.3% (price as of 2026-10-02) |
| Dec. 3, 2004 | HSIC | S | 1,500 | $67.25 | $100,875 | 5,400 Direct | -21.74% | Disposed | 543.7% (price as of 2026-10-02) |
| Dec. 3, 2004 | HSIC | S | 600 | $67.21 | $40,326 | 6,900 Direct | -8.00% | Disposed | 544.1% (price as of 2026-10-02) |
Showing latest 100 of 131 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 |
|---|---|---|---|---|---|---|---|
| March 7, 2013 | HSIC | Stock Option (Right to Buy) [F5] | Common Stock, par value $0.01 per share | $51.23 | March 5, 2017 | 16,471 | Disposed |
| March 7, 2013 | HSIC | Stock Option (Right to Buy) [F5] | Common Stock, par value $0.01 per share | $47.31 | March 2, 2016 | 14,053 | Disposed |
| March 1, 2012 | HSIC | Stock Option (Right to Buy) [F4] | Common Stock, par value $0.01 per share | $39.43 | March 9, 2015 | 24,000 | Disposed |
| March 1, 2012 | HSIC | Stock Option (Right to Buy) [F4] | Common Stock, par value $0.01 per share | $35.49 | Feb. 18, 2014 | 7,000 | Disposed |
| March 3, 2011 | HSIC | Stock Option (Right to Buy) [F3] | Common Stock, par value $0.01 per share | $35.49 | Feb. 18, 2014 | 25,000 | Disposed |
| Sept. 13, 2010 | HSIC | Stock Option (Right to Buy) [F2] | Common Stock, par value $0.01 per share | $20.41 | March 5, 2012 | 17,500 | Disposed |
| Aug. 6, 2008 | HSIC | Stock Option (Right to Buy) [F2] | Common Stock, par value $0.01 per share | $20.41 | March 5, 2012 | 14,500 | Disposed |
| Aug. 6, 2008 | HSIC | Stock Option (Right to Buy) [F2] | Common Stock, par value $0.01 per share | $19.42 | Feb. 25, 2013 | 4,000 | Disposed |
| March 3, 2008 | HSIC | Stock Option (Right to Buy) [F1] | Common Stock, par value $0.01 per share | $59.89 | March 3, 2018 | 23,006 | Acquired |
| Aug. 17, 2007 | HSIC | Stock Option (Right to Buy) [F1] | Common Stock, par value $0.01 per share | $19.42 | Feb. 25, 2013 | 22,000 | Disposed |
| March 5, 2007 | HSIC | Stock Option (Right to buy) [F1] | Common Stock, par value $0.01 | $51.23 | March 5, 2017 | 16,471 | Acquired |
| Feb. 27, 2007 | HSIC | Stock Option (Right to Buy) [F1] | Common Stock, par value $0.01 | $19.42 | Feb. 25, 2013 | 6,000 | Disposed |
| Feb. 27, 2007 | HSIC | Stock Option (Right to Buy) [F1] | Common Stock, par value $0.01 | $14.31 | March 1, 2011 | 14,000 | Disposed |
| May 11, 2006 | HSIC | Stock Option (right to buy) [F1] | Common Stock, par value $0.01 | $14.31 | March 1, 2011 | 15,000 | Disposed |
| March 2, 2006 | HSIC | Stock Option (Right to Buy) [F1] | Common Stock, par value $0.01 | $47.31 | March 2, 2016 | 14,053 | Acquired |
| Dec. 1, 2005 | HSIC | Stock Option (right to buy) [F1] | Common Stock, par value $0.01 per share | $5.91 | Dec. 15, 2009 | 6,500 | Disposed |
| Dec. 1, 2005 | HSIC | Stock Option (right to buy) [F1] | Common Stock, par value $0.01 per share | $19.94 | March 17, 2008 | 8,500 | Disposed |
| March 15, 2005 | HSIC | Stock Option (right to buy) [F1] | Common Stock, par value $0.01 per share | $19.94 | March 17, 2008 | 7,500 | Disposed |
| March 15, 2005 | HSIC | Stock Option (right to buy) [F1] | Common Stock, par value $0.01 per share | $5.91 | Dec. 15, 2009 | 7,500 | Disposed |
| March 9, 2005 | HSIC | Stock Option (Right to buy) [F1] | Common Stock, par value $0.01 | $39.43 | March 9, 2015 | 24,000 | Acquired |
| Dec. 3, 2004 | HSIC | Stock Options (right to buy) [F1] | Common Stock, par value $0.01 per share | $11.81 | Dec. 15, 2009 | 3,000 | Disposed |
| Dec. 3, 2004 | HSIC | Stock Options (right to buy) [F1] | Common Stock, par value $0.01 per share | $39.88 | March 17, 2008 | 3,000 | Disposed |
| March 18, 2004 | HSIC | Stock Option (Right to buy) [F1] | Common Stock | $21.50 | April 6, 2009 | 8,000 | Disposed |
| Feb. 18, 2004 | HSIC | Stock Option (Right to buy) [F1] | Common Stock | $70.98 | Feb. 18, 2014 | 16,000 | Acquired |
| Nov. 19, 2003 | HSIC | Stock Option (right to buy) | Common Stock | $21.50 | April 6, 2009 | 3,000 | Disposed |
| Nov. 19, 2003 | HSIC | Stock Option (right to buy) | Common Stock | $24.56 | March 13, 2007 | 3,000 | Disposed |
| Aug. 18, 2003 | HSIC | Stock Option (right to buy) | Common Stock | $24.56 | March 13, 2007 | 1,000 | Disposed |
| Aug. 18, 2003 | HSIC | Stock Option (right to buy) | Common Stock | $24.56 | March 13, 2007 | 5,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).