$GKOS

📈 Chart

84 transactions across 18 dates · last 180 days

6-Month Buy/Sell Trend

Buys Sells
2026-04-10
▼ 4 sells · $246K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Navratil Tomas CHIEF DEVELOPMENT OFFICER ▼ Sell 1,237 $117 $144K Plan Apr 14
Navratil Tomas CHIEF DEVELOPMENT OFFICER ▼ Sell 210 $117 $25K Plan Apr 14
Navratil Tomas CHIEF DEVELOPMENT OFFICER ▼ Sell 614 $119 $73K Plan Apr 14
Navratil Tomas CHIEF DEVELOPMENT OFFICER ▼ Sell 32 $120 $4K Plan Apr 14
2026-04-01
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO G 180,308 $0 $0 Apr 3
Burns Thomas William CHAIRMAN & CEO G 180,308 $0 $0 Apr 3
2026-04-02
6 other
⚡ 4 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO F 2,469 $110 $271K Apr 3
Burns Thomas William CHAIRMAN & CEO F 7,468 $110 $818K Apr 3
Gilliam Joseph E PRESIDENT & COO F 3,169 $110 $347K Apr 3
Navratil Tomas CHIEF DEVELOPMENT OFFICER F 1,146 $110 $126K Apr 3
Navratil Tomas CHIEF DEVELOPMENT OFFICER F 1,831 $110 $201K Apr 3
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER F 1,589 $110 $174K Apr 3
2026-03-31
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Navratil Tomas CHIEF DEVELOPMENT OFFICER F 5,798 $110 $635K Apr 2
2026-03-25
▼ 1 sell · $267K 17 other
⚡ 4 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO A 9,380 $0 $0 Mar 27
Burns Thomas William CHAIRMAN & CEO A 14,184 $0 $0 Mar 27
Burns Thomas William CHAIRMAN & CEO A 18,933 $19K $358.5M Mar 27
Burns Thomas William CHAIRMAN & CEO A 110,254 $110K $12155.9M Mar 27
Burns Thomas William CHAIRMAN & CEO A 98,474 $98K $9697.1M Mar 27
Gilliam Joseph E PRESIDENT & COO A 5,829 $0 $0 Mar 27
Gilliam Joseph E PRESIDENT & COO A 17,792 $0 $0 Mar 27
Gilliam Joseph E PRESIDENT & COO A 16,462 $0 $0 Mar 27
Gilliam Joseph E PRESIDENT & COO A 21,955 $0 $0 Mar 27
Gilliam Joseph E PRESIDENT & COO A 36,751 $0 $0 Mar 27
Navratil Tomas CHIEF DEVELOPMENT OFFICER A 4,622 $0 $0 Mar 27
Navratil Tomas CHIEF DEVELOPMENT OFFICER A 11,693 $0 $0 Mar 27
Navratil Tomas CHIEF DEVELOPMENT OFFICER A 3,692 $0 $0 Mar 27
Navratil Tomas CHIEF DEVELOPMENT OFFICER A 12,774 $0 $0 Mar 27
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER ▼ Sell 2,511 $106 $267K Plan Mar 27
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER A 3,303 $0 $0 Plan Mar 27
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER A 8,228 $0 $0 Plan Mar 27
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER A 20,515 $0 $0 Plan Mar 27
2025-03-25
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER A 19,601 $0 $0 Plan Mar 27
2026-03-24
▼ 1 sell · $160K 5 other
⚡ 4 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO F 2,744 $105 $289K Mar 25
Gilliam Joseph E PRESIDENT & COO F 4,926 $105 $518K Mar 25
Gilliam Joseph E PRESIDENT & COO F 7,388 $105 $777K Mar 25
Navratil Tomas CHIEF DEVELOPMENT OFFICER F 2,546 $105 $268K Mar 25
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER ▼ Sell 1,521 $105 $160K Plan Mar 25
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER F 2,020 $105 $213K Plan Mar 25
2026-03-23
3 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Gilliam Joseph E PRESIDENT & COO F 2,804 $107 $300K Mar 25
Navratil Tomas CHIEF DEVELOPMENT OFFICER F 2,628 $107 $281K Mar 25
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER F 1,230 $107 $131K Plan Mar 25
2026-01-22
▼ 9 sells · $3.3M 5 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Stapley Marc M 15,000 $25 $370K Plan Jan 26
Stapley Marc ▼ Sell 3,812 $126 $481K Plan Jan 26
Stapley Marc ▼ Sell 3,892 $127 $494K Plan Jan 26
Stapley Marc ▼ Sell 1,671 $128 $214K Plan Jan 26
Stapley Marc ▼ Sell 4,325 $129 $558K Plan Jan 26
Stapley Marc ▼ Sell 1,300 $130 $169K Plan Jan 26
Stapley Marc M 15,000 $0 $0 Plan Jan 26
Gilliam Joseph E PRESIDENT & COO M 10,498 $55 $579K Plan Jan 26
Gilliam Joseph E PRESIDENT & COO ▼ Sell 2,406 $126 $303K Plan Jan 26
Gilliam Joseph E PRESIDENT & COO ▼ Sell 3,100 $127 $394K Plan Jan 26
Gilliam Joseph E PRESIDENT & COO ▼ Sell 1,798 $128 $230K Plan Jan 26
Gilliam Joseph E PRESIDENT & COO ▼ Sell 3,194 $129 $413K Plan Jan 26
Gilliam Joseph E PRESIDENT & COO M 7,398 $55 $408K Plan Jan 26
Gilliam Joseph E PRESIDENT & COO M 3,100 $55 $171K Plan Jan 26
2026-01-21
▼ 1 sell · $561K 3 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Gilliam Joseph E PRESIDENT & COO M 4,502 $55 $248K Plan Jan 23
Gilliam Joseph E PRESIDENT & COO ▼ Sell 4,502 $125 $561K Plan Jan 23
Gilliam Joseph E PRESIDENT & COO M 2,602 $0 $0 Plan Jan 23
Gilliam Joseph E PRESIDENT & COO M 1,900 $0 $0 Plan Jan 23
2026-01-08
▼ 1 sell · $10.1M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO M 88,055 $16 $1.5M Plan Jan 20
Burns Thomas William CHAIRMAN & CEO ▼ Sell 88,055 $115 $10.1M Plan Jan 20
Burns Thomas William CHAIRMAN & CEO M 88,055 $0 $0 Plan Jan 20
2026-01-16
▼ 1 sell · $21.5M 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO M 186,945 $16 $3.1M Plan Jan 20
Burns Thomas William CHAIRMAN & CEO ▼ Sell 186,945 $115 $21.5M Plan Jan 20
Burns Thomas William CHAIRMAN & CEO M 186,945 $0 $0 Plan Jan 20
2026-01-02
7 other
⚡ 7 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Foley Mark J A 1,168 $0 $0 Jan 7
WEISNER AIMEE S A 623 $0 $0 Jan 7
Kliman Gilbert H A 623 $0 $0 Jan 7
Hoffmeister David F A 753 $0 $0 Jan 7
Stapley Marc A 727 $0 $0 Jan 7
Torres Denice A 623 $0 $0 Jan 7
WEN LEANA A 623 $0 $0 Jan 7
2025-12-30
2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO F 1,098 $114 $125K Dec 31
Navratil Tomas CHIEF DEVELOPMENT OFFICER F 510 $114 $58K Dec 31
2025-12-11
5 other
⚡ 4 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Burns Thomas William CHAIRMAN & CEO A 4,168 $0 $0 Dec 15
Burns Thomas William CHAIRMAN & CEO A 8,416 $0 $0 Dec 15
Gilliam Joseph E PRESIDENT & COO A 7,316 $0 $0 Dec 15
Navratil Tomas CHIEF DEVELOPMENT OFFICER A 2,054 $0 $0 Dec 15
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER A 3,660 $0 $0 Dec 15
2025-12-09
▼ 1 sell · $536K 2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Kliman Gilbert H M 5,000 $25 $123K Dec 11
Kliman Gilbert H ▼ Sell 5,000 $107 $536K Dec 11
Kliman Gilbert H M 5,000 $25 $123K Dec 11
2025-11-25
▼ 1 sell · $33K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER ▼ Sell 315 $105 $33K Plan Nov 26
2025-11-18
▼ 1 sell · $1.7M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Gilliam Joseph E PRESIDENT & COO ▼ Sell 19,340 $90 $1.7M Nov 20