GKOS - SEC Form 4 insider transactions

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)

Director Stapley Marc exercised 15,000 shares at a strike of $24.69 and sold $1,915,576 worth of shares (15,000 units at $127.71) (SEC Form 4)

PRESIDENT & COO Gilliam Joseph E exercised 10,498 shares at a strike of $55.18 and sold $1,340,380 worth of shares (10,498 units at $127.68) (SEC Form 4)

PRESIDENT & COO Gilliam Joseph E exercised 4,502 shares at a strike of $55.18 and sold $561,174 worth of shares (4,502 units at $124.65) (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William exercised 275,000 shares at a strike of $16.49 and sold $31,625,000 worth of shares (275,000 units at $115.00) (SEC Form 4)

Director Hoffmeister David F was granted 753 shares, increasing direct ownership by 2% to 32,671 units (SEC Form 4)

Director Wen Leana was granted 623 shares, increasing direct ownership by 3% to 21,439 units (SEC Form 4)

Director Weisner Aimee S was granted 623 shares, increasing direct ownership by 3% to 19,786 units (SEC Form 4)

Director Torres Denice was granted 623 shares, increasing direct ownership by 3% to 22,334 units (SEC Form 4)

Director Kliman Gilbert H was granted 623 shares, increasing direct ownership by 2% to 35,528 units (SEC Form 4)

Director Foley Mark J was granted 1,168 shares, increasing direct ownership by 2% to 58,389 units (SEC Form 4)

Director Stapley Marc was granted 727 shares, increasing direct ownership by 2% to 37,449 units (SEC Form 4)

CHIEF DEVELOPMENT OFFICER Navratil Tomas covered exercise/tax liability with 510 shares, decreasing direct ownership by 0.65% to 77,451 units (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William covered exercise/tax liability with 1,098 shares, decreasing direct ownership by 0.71% to 153,775 units (SEC Form 4)

CHAIRMAN & CEO Burns Thomas William was granted 4,168 shares, increasing direct ownership by 3% to 154,873 units (SEC Form 4)

SEC Form 4 filed by PRESIDENT & COO Gilliam Joseph E

SEC Form 4 filed by SVP & CHIEF FINANCIAL OFFICER Thurman Alex R.

CHIEF DEVELOPMENT OFFICER Navratil Tomas was granted 2,054 shares, increasing direct ownership by 3% to 77,961 units (SEC Form 4)

Director Kliman Gilbert H exercised 5,000 shares at a strike of $24.69 and sold $536,350 worth of shares (5,000 units at $107.27) (SEC Form 4)

SVP & CHIEF FINANCIAL OFFICER Thurman Alex R. sold $33,075 worth of shares (315 units at $105.00), decreasing direct ownership by 0.62% to 50,488 units (SEC Form 4)