GKOS - SEC Form 4 insider transactions

Director Kliman Gilbert H exercised 2,500 shares at a strike of $25.77 and sold $475,000 worth of shares (2,500 units at $190.00) (SEC Form 4)

PRESIDENT & COO Gilliam Joseph E sold $10,784,659 worth of shares (60,000 units at $179.74) and exercised 60,000 shares at a strike of $52.94 (SEC Form 4)

SVP & CHIEF FINANCIAL OFFICER Thurman Alex R. sold $3,602,600 worth of shares (20,000 units at $180.13) as part of a pre-agreed trading plan and exercised 20,000 shares at a strike of $33.81 (SEC Form 4)

Director Wen Leana sold $88,006 worth of shares (525 units at $167.63), decreasing direct ownership by 2% to 21,092 units (SEC Form 4)

SVP & CHIEF FINANCIAL OFFICER Thurman Alex R. exercised 10,000 shares at a strike of $38.68 and sold $1,600,000 worth of shares (10,000 units at $160.00) as part of a pre-agreed trading plan (SEC Form 4)

SVP & CHIEF FINANCIAL OFFICER Thurman Alex R. exercised 10,000 shares at a strike of $38.68 and sold $1,550,000 worth of shares (10,000 units at $155.00) as part of a pre-agreed trading plan (SEC Form 4)

SVP & CHIEF FINANCIAL OFFICER Thurman Alex R. exercised 10,000 shares at a strike of $38.68 and sold $1,500,000 worth of shares (10,000 units at $150.00) as part of a pre-agreed trading plan (SEC Form 4)

CHIEF DEVELOPMENT OFFICER Navratil Tomas sold $99,567 worth of shares (716 units at $139.06) as part of a pre-agreed trading plan, decreasing direct ownership by 0.81% to 87,634 units (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William covered exercise/tax liability with 4,059 shares, decreasing direct ownership by 6% to 68,967 units (SEC Form 4) to satisfy withholding obligation

PRESIDENT & COO Gilliam Joseph E covered exercise/tax liability with 1,056 shares, decreasing direct ownership by 1% to 72,363 units (SEC Form 4) to satisfy withholding tax

CHIEF DEVELOPMENT OFFICER Navratil Tomas covered exercise/tax liability with 483 shares, decreasing direct ownership by 0.54% to 88,350 units (SEC Form 4) to satisfy withholding tax

Amendment: SEC Form 4 filed by Director Foley Mark J

Amendment: SEC Form 4 filed by Director Wen Leana

Amendment: SEC Form 4 filed by Director Stapley Marc

Amendment: SEC Form 4 filed by Director Weisner Aimee S

Amendment: SEC Form 4 filed by Director Kliman Gilbert H

Amendment: SEC Form 4 filed by Director Hoffmeister David F

Amendment: SEC Form 4 filed by Director Torres Denice

CHIEF DEVELOPMENT OFFICER Navratil Tomas sold $200,855 worth of shares (1,537 units at $130.68) as part of a pre-agreed trading plan, decreasing direct ownership by 2% to 88,833 units (SEC Form 4)

Director Wen Leana was granted 1,878 shares, increasing direct ownership by 10% to 21,617 units (SEC Form 4)

Director Weisner Aimee S was granted 1,878 shares, increasing direct ownership by 10% to 20,684 units (SEC Form 4)

Director Torres Denice was granted 1,878 shares, increasing direct ownership by 8% to 24,212 units (SEC Form 4)

Director Foley Mark J was granted 1,878 shares, increasing direct ownership by 3% to 60,267 units (SEC Form 4)

Director Hoffmeister David F was granted 1,878 shares, increasing direct ownership by 4% to 49,549 units (SEC Form 4)

Director Kliman Gilbert H was granted 1,878 shares, increasing direct ownership by 5% to 37,406 units (SEC Form 4)

Director Stapley Marc was granted 1,878 shares, increasing direct ownership by 5% to 39,327 units (SEC Form 4)

Director Hoffmeister David F exercised 15,000 shares at a strike of $24.69, increasing direct ownership by 46% to 47,671 units (SEC Form 4)

Director Kliman Gilbert H sold $703,800 worth of shares (5,000 units at $140.76) and exercised 5,000 shares at a strike of $24.69 (SEC Form 4)

Director Kliman Gilbert H exercised 5,000 shares at a strike of $24.69 and sold $675,000 worth of shares (5,000 units at $135.00) (SEC Form 4)

SVP & CHIEF FINANCIAL OFFICER Thurman Alex R. exercised 10,000 shares at a strike of $38.68 and sold $1,400,000 worth of shares (10,000 units at $140.00) as part of a pre-agreed trading plan (SEC Form 4)

PRESIDENT & COO Gilliam Joseph E sold $2,809,508 worth of shares (19,573 units at $143.54), decreasing direct ownership by 21% to 73,419 units (SEC Form 4)

Director Wen Leana sold $243,695 worth of shares (1,700 units at $143.35), decreasing direct ownership by 8% to 19,739 units (SEC Form 4)

SEC Form 4 filed by Navratil Tomas

SEC Form 4 filed by Navratil Tomas

SEC Form 4 filed by Thurman Alex R.

SEC Form 4 filed by Gilliam Joseph E

SEC Form 4 filed by Burns Thomas William

SEC Form 4 filed by Navratil Tomas

SEC Form 4 filed by Burns Thomas William

SEC Form 4 filed by Thurman Alex R.

SEC Form 4 filed by Gilliam Joseph E

SEC Form 4 filed by Navratil Tomas

SEC Form 4 filed by Burns Thomas William

SEC Form 4 filed by Navratil Tomas

SEC Form 4 filed by Thurman Alex R.

SEC Form 4 filed by Gilliam Joseph E

SEC Form 4 filed by Navratil Tomas

SEC Form 4 filed by Thurman Alex R.

SEC Form 4 filed by Burns Thomas William

SEC Form 4 filed by Gilliam Joseph E

PRESIDENT & COO Gilliam Joseph E covered exercise/tax liability with 2,462 shares, decreasing direct ownership by 3% to 88,847 units (SEC Form 4)

CHIEF DEVELOPMENT OFFICER Navratil Tomas covered exercise/tax liability with 1,074 shares, decreasing direct ownership by 1% to 75,620 units (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William covered exercise/tax liability with 5,212 shares, decreasing direct ownership by 2% to 245,252 units (SEC Form 4)

CHIEF DEVELOPMENT OFFICER Navratil Tomas covered exercise/tax liability with 361 shares, decreasing direct ownership by 0.47% to 76,694 units (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William covered exercise/tax liability with 1,098 shares, decreasing direct ownership by 0.44% to 250,464 units (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William covered exercise/tax liability with 4,059 shares, decreasing direct ownership by 2% to 251,562 units (SEC Form 4)

CHIEF DEVELOPMENT OFFICER Navratil Tomas covered exercise/tax liability with 396 shares, decreasing direct ownership by 0.51% to 77,055 units (SEC Form 4)

PRESIDENT & COO Gilliam Joseph E covered exercise/tax liability with 1,057 shares, decreasing direct ownership by 1% to 91,309 units (SEC Form 4)

Director Weisner Aimee S gifted 980 shares, received a gift of 980 shares, exercised 15,000 shares at a strike of $24.69 and sold $1,760,761 worth of shares (15,000 units at $117.38), decreasing direct ownership by 5% to 18,806 units (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William received a gift of 67,353 shares, exercised 166,000 shares at a strike of $30.92 and gifted 67,353 shares, increasing direct ownership by 63% to 255,621 units (SEC Form 4)