Michael Zack

CIK 1194355 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 19, 2003 · Latest: Aug. 19, 2003

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 55 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

55 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 7, 2013 HSIC S 16,471 $89.58 $1,475,472 52,579 Direct -23.85% Disposed 154.4% (price as of 2026-08-20)
March 7, 2013 HSIC S 14,053 $89.76 $1,261,397 52,579 Direct -21.09% Disposed 153.9% (price as of 2026-08-20)
Dec. 10, 2012 HSIC S 6,474 $80.28 $519,733 52,579 Direct -10.96% Disposed 183.9% (price as of 2026-08-20)
March 1, 2012 HSIC S 24,000 $73.55 $1,765,200 47,399 Direct -33.61% Disposed 209.9% (price as of 2026-08-20)
March 1, 2012 HSIC S 7,000 $73.86 $517,020 47,399 Direct -12.87% Disposed 208.6% (price as of 2026-08-20)
March 3, 2011 HSIC S 25,000 $69.44 $1,736,000 41,989 Direct -37.32% Disposed 228.2% (price as of 2026-08-20)
Sept. 13, 2010 HSIC S 17,500 $56.63 $991,025 41,990 Direct -29.42% Disposed 302.4% (price as of 2026-08-20)
Aug. 6, 2008 HSIC S 18,500 $57.41 $1,062,085 8,000 Direct -69.81% Disposed 297.0% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 400 $56.41 $22,564 8,000 Direct -4.76% Disposed 304.0% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 8,600 $56.40 $485,040 8,400 Direct -50.59% Disposed 304.1% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 300 $56.35 $16,905 17,000 Direct -1.73% Disposed 304.4% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 100 $56.34 $5,634 17,300 Direct -0.57% Disposed 304.5% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 100 $56.33 $5,633 17,400 Direct -0.57% Disposed 304.6% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 400 $56.31 $22,524 17,500 Direct -2.23% Disposed 304.7% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 2,600 $56.30 $146,380 17,900 Direct -12.68% Disposed 304.8% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 2,500 $56.15 $140,375 20,500 Direct -10.87% Disposed 305.9% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 2,000 $56.10 $112,200 23,000 Direct -8.00% Disposed 306.2% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 2,000 $56.05 $112,100 25,000 Direct -7.41% Disposed 306.6% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 100 $56.01 $5,601 27,000 Direct -0.37% Disposed 306.9% (price as of 2026-08-20)
Aug. 17, 2007 HSIC S 2,900 $56.00 $162,400 27,100 Direct -9.67% Disposed 307.0% (price as of 2026-08-20)
Feb. 27, 2007 HSIC S 5,000 $53.21 $266,050 8,000 Direct -38.46% Disposed 328.3% (price as of 2026-08-20)
Feb. 27, 2007 HSIC S 5,000 $53.14 $265,700 13,000 Direct -27.78% Disposed 328.9% (price as of 2026-08-20)
Feb. 27, 2007 HSIC S 5,000 $53.11 $265,550 18,000 Direct -21.74% Disposed 329.1% (price as of 2026-08-20)
Feb. 27, 2007 HSIC S 5,000 $53.11 $265,550 23,000 Direct -17.86% Disposed 329.1% (price as of 2026-08-20)
May 11, 2006 HSIC S 10,000 $47.23 $472,300 8,000 Direct -55.56% Disposed 382.5% (price as of 2026-08-20)
May 11, 2006 HSIC S 5,000 $47.23 $236,150 18,000 Direct -21.74% Disposed 382.5% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 300 $43.35 $13,005 8,000 Direct -3.61% Disposed 425.7% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 800 $43.33 $34,664 8,300 Direct -8.79% Disposed 426.0% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 2,600 $43.32 $112,632 9,100 Direct -22.22% Disposed 426.1% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 2,201 $43.31 $95,325 11,700 Direct -15.83% Disposed 426.2% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 7,499 $43.30 $324,707 13,901 Direct -35.04% Disposed 426.3% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 300 $43.29 $12,987 21,400 Direct -1.38% Disposed 426.5% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 400 $43.28 $17,312 21,700 Direct -1.81% Disposed 426.6% (price as of 2026-08-20)
Dec. 1, 2005 HSIC S 900 $43.26 $38,934 22,100 Direct -3.91% Disposed 426.8% (price as of 2026-08-20)
March 15, 2005 HSIC S 800 $37.92 $30,336 8,000 Direct -9.09% Disposed 501.0% (price as of 2026-08-20)
March 15, 2005 HSIC S 200 $37.92 $7,584 8,800 Direct -2.22% Disposed 501.0% (price as of 2026-08-20)
March 15, 2005 HSIC S 300 $37.91 $11,373 9,000 Direct -3.23% Disposed 501.2% (price as of 2026-08-20)
March 15, 2005 HSIC S 7,500 $37.90 $284,250 9,300 Direct -44.64% Disposed 501.3% (price as of 2026-08-20)
March 15, 2005 HSIC S 200 $37.89 $7,578 16,800 Direct -1.18% Disposed 501.5% (price as of 2026-08-20)
March 15, 2005 HSIC S 900 $37.88 $34,092 17,000 Direct -5.03% Disposed 501.7% (price as of 2026-08-20)
March 15, 2005 HSIC S 5,100 $37.87 $193,137 17,900 Direct -22.17% Disposed 501.8% (price as of 2026-08-20)
Dec. 3, 2004 HSIC S 300 $67.30 $20,190 4,000 Direct -6.98% Disposed 577.3% (price as of 2026-08-20)
Dec. 3, 2004 HSIC S 1,100 $67.29 $74,019 4,300 Direct -20.37% Disposed 577.4% (price as of 2026-08-20)
Dec. 3, 2004 HSIC S 1,500 $67.25 $100,875 5,400 Direct -21.74% Disposed 577.8% (price as of 2026-08-20)
Dec. 3, 2004 HSIC S 600 $67.21 $40,326 6,900 Direct -8.00% Disposed 578.2% (price as of 2026-08-20)

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 (16,471) $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 (14,053) $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 (24,000) $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 (7,000) $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 (25,000) $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 (17,500) $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 (14,500) $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 (4,000) $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 (23,006) $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 (22,000) $19.42 Feb. 25, 2013 22,000 Disposed
March 5, 2007 HSIC Stock Option (Right to buy) [F1] Common Stock, par value $0.01 (16,471) $51.23 March 5, 2017 16,471 Acquired
Feb. 27, 2007 HSIC Stock Option (Right to Buy) [F1] Common Stock, par value $0.01 (6,000) $19.42 Feb. 25, 2013 6,000 Disposed
Feb. 27, 2007 HSIC Stock Option (Right to Buy) [F1] Common Stock, par value $0.01 (14,000) $14.31 March 1, 2011 14,000 Disposed
May 11, 2006 HSIC Stock Option (right to buy) [F1] Common Stock, par value $0.01 (15,000) $14.31 March 1, 2011 15,000 Disposed
March 2, 2006 HSIC Stock Option (Right to Buy) [F1] Common Stock, par value $0.01 (14,053) $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 (6,500) $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 (8,500) $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 (7,500) $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 (7,500) $5.91 Dec. 15, 2009 7,500 Disposed
March 9, 2005 HSIC Stock Option (Right to buy) [F1] Common Stock, par value $0.01 (24,000) $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 (3,000) $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 (3,000) $39.88 March 17, 2008 3,000 Disposed
March 18, 2004 HSIC Stock Option (Right to buy) [F1] Common Stock (8,000) $21.50 April 6, 2009 8,000 Disposed
Feb. 18, 2004 HSIC Stock Option (Right to buy) [F1] Common Stock (16,000) $70.98 Feb. 18, 2014 16,000 Acquired
Nov. 19, 2003 HSIC Stock Option (right to buy) Common Stock (3,000) $21.50 April 6, 2009 3,000 Disposed
Nov. 19, 2003 HSIC Stock Option (right to buy) Common Stock (3,000) $24.56 March 13, 2007 3,000 Disposed
Aug. 18, 2003 HSIC Stock Option (right to buy) Common Stock (1,000) $24.56 March 13, 2007 1,000 Disposed
Aug. 18, 2003 HSIC Stock Option (right to buy) Common Stock (5,000) $24.56 March 13, 2007 5,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).