Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 71 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

71 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 12, 2025 OSIS S 1,000 $237.15 $237,150 11,214 Indirect -8.19% Disposed -17.0% (price as of 2026-10-02)
April 30, 2024 OSIS S 5,000 $130.76 $653,800 15,883 Indirect -23.94% Disposed 50.5% (price as of 2026-10-02)
April 29, 2024 OSIS S 5,000 $133.53 $667,650 22,638 Indirect -18.09% Disposed 47.4% (price as of 2026-10-02)
April 29, 2024 OSIS S 1,000 $137.00 $137,000 21,638 Indirect -4.42% Disposed 43.6% (price as of 2026-10-02)
April 29, 2024 OSIS S 755 $136.34 $102,937 20,883 Indirect -3.49% Disposed 44.3% (price as of 2026-10-02)
Feb. 6, 2018 OSIS P 20,000 $56.78 $1,135,600 28,446 Indirect +236.80% Acquired 246.6% (price as of 2026-10-02)
Nov. 10, 2010 OSIS S 2,000 $36.86 $73,720 73,922 Indirect -2.63% Disposed 433.9% (price as of 2026-10-02)
Nov. 10, 2010 OSIS S 2,000 $36.89 $73,780 75,922 Indirect -2.57% Disposed 433.4% (price as of 2026-10-02)
Nov. 10, 2010 OSIS S 1,555 $36.85 $57,302 77,922 Indirect -1.96% Disposed 434.0% (price as of 2026-10-02)
Nov. 9, 2010 OSIS S 100 $36.61 $3,661 79,477 Indirect -0.13% Disposed 437.5% (price as of 2026-10-02)
Sept. 21, 2010 OSIS S 7,000 $34.44 $241,080 3,781 Indirect -64.93% Disposed 471.4% (price as of 2026-10-02)
Sept. 20, 2010 OSIS S 7,000 $34.42 $240,940 10,781 Indirect -39.37% Disposed 471.7% (price as of 2026-10-02)
March 3, 2010 OSIS S 10,000 $30.44 $304,400 15,666 Indirect -38.96% Disposed 546.5% (price as of 2026-10-02)
March 2, 2010 OSIS S 10,000 $30.32 $303,200 25,666 Indirect -28.04% Disposed 549.0% (price as of 2026-10-02)
Sept. 3, 2008 OSIS S 8,400 $22.50 $189,000 13,300 Indirect -38.71% Disposed 774.6% (price as of 2026-10-02)
Sept. 2, 2008 OSIS S 400 $22.50 $9,000 21,800 Indirect -1.80% Disposed 774.6% (price as of 2026-10-02)
Sept. 2, 2008 OSIS S 100 $22.51 $2,251 21,700 Indirect -0.46% Disposed 774.2% (price as of 2026-10-02)
May 16, 2007 OSIS S 7,800 $27.80 $216,840 22,200 Indirect -26.00% Disposed 607.8% (price as of 2026-10-02)
May 15, 2007 OSIS S 2,200 $28.01 $61,622 30,000 Indirect -6.83% Disposed 602.5% (price as of 2026-10-02)
March 20, 2007 OSIS S 6,000 $25.03 $150,180 59,700 Indirect -9.13% Disposed 686.2% (price as of 2026-10-02)
March 16, 2006 OSIS S 5,000 $22.70 $113,500 20,300 Indirect -19.76% Disposed 766.9% (price as of 2026-10-02)
March 16, 2006 OSIS S 9,900 $22.76 $225,324 25,300 Indirect -28.12% Disposed 764.6% (price as of 2026-10-02)
March 15, 2006 OSIS S 21,910 $22.91 $501,958 36,100 Indirect -37.77% Disposed 758.9% (price as of 2026-10-02)
March 15, 2006 OSIS S 10,000 $22.75 $227,500 58,010 Indirect -14.70% Disposed 765.0% (price as of 2026-10-02)
March 14, 2006 OSIS S 5,000 $22.74 $113,700 68,010 Indirect -6.85% Disposed 765.3% (price as of 2026-10-02)
March 14, 2006 OSIS S 15,000 $22.51 $337,650 73,010 Indirect -17.04% Disposed 774.2% (price as of 2026-10-02)
March 13, 2006 OSIS S 40,000 $22.53 $901,200 88,010 Indirect -31.25% Disposed 773.4% (price as of 2026-10-02)
May 17, 2005 OSIS P 6,000 $14.08 $84,480 116,410 Indirect +5.43% Acquired 1297.6% (price as of 2026-10-02)
May 17, 2005 OSIS P 10,000 $14.09 $140,900 110,410 Indirect +9.96% Acquired 1296.6% (price as of 2026-10-02)

Showing latest 100 of 115 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 5, 2013 OSIS Option to Purchase Common Stock Common Stock (5,000) $22.36 Aug. 3, 2018 5,000 Disposed
Nov. 1, 2010 OSIS Option to Purchase Common Stock Common Stock (10,000) $22.36 Aug. 3, 2018 10,000 Disposed
Nov. 1, 2010 OSIS Option to Purchase Common Stock Common Stock (3,477) $32.90 Dec. 15, 2010 3,477 Disposed
Nov. 1, 2010 OSIS Option to Purchase Common Stock Common Stock (3,507) $26.81 Nov. 21, 2011 3,507 Disposed
Nov. 1, 2010 OSIS Option to Purchase Common Stock Common Stock (10,000) $20.02 Sept. 16, 2017 10,000 Disposed
Nov. 1, 2010 OSIS Option to Purchase Common Stock Common Stock (20,000) $18.16 July 6, 2011 20,000 Disposed
Nov. 1, 2010 OSIS Option to Purchase Common Stock Common Stock (5,000) $17.90 June 23, 2011 5,000 Disposed
Nov. 1, 2010 OSIS Option to Purchase Common Stock Common Stock (20,000) $18.53 Nov. 10, 2010 20,000 Disposed
June 30, 2010 OSIS Option to Purchase Common Stock Common Stock (2,115) $25.91 July 10, 2010 2,115 Disposed
Oct. 14, 2009 OSIS Option to Purchase Common Stock Common Stock (4,241) $14.50 Oct. 25, 2009 4,241 Disposed
Sept. 8, 2008 OSIS Option to Purchase Common Stock Common Stock (15,000) $19.86 Feb. 13, 2009 15,000 Disposed
Aug. 4, 2008 OSIS Option to Purchase Common Stock Common Stock (15,000) $22.36 Aug. 3, 2018 15,000 Acquired
Jan. 22, 2008 OSIS Option to Purchase Common Stock Common Stock (3,507) $26.81 Nov. 21, 2011 3,507 Acquired
Jan. 22, 2008 OSIS Option to Purchase Common Stock Common Stock (3,477) $32.90 Dec. 15, 2010 3,477 Acquired
Jan. 22, 2008 OSIS Option to Purchase Common Stock Common Stock (2,115) $25.91 July 10, 2010 2,115 Acquired
Jan. 22, 2008 OSIS Option to Purchase Common Stock Common Stock (4,241) $14.50 Oct. 25, 2009 4,241 Acquired
Sept. 17, 2007 OSIS Option to Purchase Common Stock Comon Stock (10,000) $20.02 Sept. 16, 2012 10,000 Acquired
May 16, 2007 OSIS Option to Purchase Common Stock Comon Stock (10,000) $16.31 Jan. 7, 2008 10,000 Disposed
Jan. 25, 2007 OSIS Option to Purchase Common Stock Common Stock (10,000) $19.95 Jan. 28, 2007 10,000 Disposed
July 7, 2006 OSIS Option to Purchase Common Stock Common Stock (20,000) $18.16 July 7, 2011 20,000 Acquired
June 23, 2006 OSIS Option to Purchase Common Stock Common Stock (5,000) $17.90 June 23, 2011 5,000 Acquired
Nov. 11, 2005 OSIS Option to Purchase Common Stock Common Stock (20,000) $18.53 Nov. 11, 2010 20,000 Acquired
Nov. 11, 2005 OSIS Emlpoyee Stock Option Common Stock (17,000) $3.77 Aug. 27, 2006 17,000 Disposed
Nov. 11, 2005 OSIS Employee Stock Option Common Stock (1,600) $3.44 April 18, 2006 1,600 Disposed
Nov. 26, 2004 OSIS Stock Option (right to buy Common stock (15,000) $20.91 Nov. 26, 2009 15,000 Acquired
Nov. 24, 2004 OSIS Stock Option (right to buy Common stock (2,500) $9.48 Feb. 7, 2005 2,500 Disposed
Nov. 24, 2004 OSIS Stock Option (right to buy) Common stock (5,900) $3.44 April 18, 2006 5,900 Disposed
Feb. 13, 2004 OSIS Option to Purchase Common Stock Common Stock (15,000) $19.86 Feb. 13, 2009 15,000 Acquired
Dec. 15, 2003 OSIS Employee Stock Option Common Stock (2,500) $7.70 Nov. 17, 2004 2,500 Acquired

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