GKOS · Glaukos Corporation Common Stock
View on chartInsiders & Stakes
| Calcaterra Chris M. Chief Operating Officer | ▲ Buy | Grant | 181,594 Shares held | 3/24/2022 | View profile |
| Joseph E. Gilliam CFO, SVP Corporate Development | ▼ Sell | Open Market | 72,588 Shares held | 8/11/2026 | View profile |
| Tomas Navratil CHIEF DEVELOPMENT OFFICER | ▼ Sell | Open Market | 69,291 Shares held | 10/5/2026 | View profile |
| Thomas William Burns Chief Executive Officer | ▼ Sell | Tax Withholding | 68,967 Shares held | 6/25/2026 | View profile |
| Mark J. Foley Director | ▲ Buy | Grant | 60,267 Shares held | 5/28/2026 | View profile |
| David F. Hoffmeister Director | ▲ Buy | Grant | 49,549 Shares held | 5/28/2026 | View profile |
| Alex R. Thurman SVP & Chief Financial Officer | ▼ Sell | Open Market | 43,906 Shares held | 8/7/2026 | View profile |
| Marc Stapley Chief Executive Officer | ▲ Buy | Grant | 39,327 Shares held | 5/28/2026 | View profile |
| Gilbert H. Kliman Director | ▼ Sell | Open Market | 37,406 Shares held | 8/19/2026 | View profile |
| Denice Torres Director | ▲ Buy | Grant | 24,212 Shares held | 5/28/2026 | View profile |
| Leana Wen Director | ▼ Sell | Open Market | 21,092 Shares held | 7/31/2026 | View profile |
| Aimee S. Weisner Director | ▲ Buy | Grant | 20,684 Shares held | 5/28/2026 | View profile |
Transaction History
| Tomas Navratil | ▼ Sell | Open Market | 888 | $146K | 10/5/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 327 | $54K | 10/5/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 312 | $52K | 10/5/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 167 | $25K | 9/25/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 136 | $21K | 9/25/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 229 | $35K | 9/25/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 1,083 | $168K | 9/25/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 103 | $17K | 9/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 345 | $57K | 9/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 191 | $32K | 9/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 460 | $77K | 9/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 120 | $20K | 9/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 234 | $40K | 9/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 4 | $688 | 9/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 7,643 | $1.4M | 8/28/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 6,091 | $1.1M | 8/28/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 10 | $2K | 8/28/2026 |
| Gilbert H. Kliman | ▲ Buy | Option Exercise | 2,500 | $64K | 8/19/2026 |
| Gilbert H. Kliman | ▼ Sell | Open Market | 2,500 | $475K | 8/19/2026 |
| Joseph E. Gilliam | ▲ Buy | Option Exercise | 10,000 | $485K | 8/11/2026 |
| Joseph E. Gilliam | ▲ Buy | Option Exercise | 20,000 | $1.1M | 8/11/2026 |
| Joseph E. Gilliam | ▲ Buy | Option Exercise | 20,000 | $1.1M | 8/11/2026 |
| Joseph E. Gilliam | ▲ Buy | Option Exercise | 10,000 | $485K | 8/11/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 27,963 | $5.0M | 8/11/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 32,037 | $5.8M | 8/11/2026 |
| Alex R. Thurman | ▲ Buy | Option Exercise | 20,000 | $676K | 8/7/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 20,000 | $3.6M | 8/7/2026 |
| Leana Wen | ▼ Sell | Open Market | 525 | $88K | 7/31/2026 |
| Alex R. Thurman | ▲ Buy | Option Exercise | 10,000 | $387K | 7/16/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 10,000 | $1.6M | 7/16/2026 |
| Alex R. Thurman | ▲ Buy | Option Exercise | 10,000 | $387K | 7/9/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 10,000 | $1.6M | 7/9/2026 |
| Alex R. Thurman | ▲ Buy | Option Exercise | 10,000 | $387K | 7/6/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 10,000 | $1.5M | 7/6/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 716 | $100K | 7/1/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 4,059 | $579K | 6/25/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 1,056 | $151K | 6/25/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 483 | $69K | 6/25/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 1,537 | $201K | 6/16/2026 |
| Leana Wen | ▲ Buy | Grant | 1,878 | $0 | 5/28/2026 |
| Aimee S. Weisner | ▲ Buy | Grant | 1,878 | $0 | 5/28/2026 |
| Denice Torres | ▲ Buy | Grant | 1,878 | $0 | 5/28/2026 |
| Mark J. Foley | ▲ Buy | Grant | 1,878 | $0 | 5/28/2026 |
| David F. Hoffmeister | ▲ Buy | Grant | 1,878 | $0 | 5/28/2026 |
| Gilbert H. Kliman | ▲ Buy | Grant | 1,878 | $0 | 5/28/2026 |
| Marc Stapley | ▲ Buy | Grant | 1,878 | $0 | 5/28/2026 |
| David F. Hoffmeister | ▲ Buy | Option Exercise | 15,000 | $370K | 5/26/2026 |
| Gilbert H. Kliman | ▲ Buy | Option Exercise | 5,000 | $123K | 5/14/2026 |
| Gilbert H. Kliman | ▼ Sell | Open Market | 5,000 | $704K | 5/14/2026 |
| Gilbert H. Kliman | ▲ Buy | Option Exercise | 5,000 | $123K | 5/11/2026 |
| Gilbert H. Kliman | ▼ Sell | Open Market | 5,000 | $675K | 5/11/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 19,573 | $2.8M | 5/1/2026 |
| Leana Wen | ▼ Sell | Open Market | 1,700 | $244K | 5/1/2026 |
| Alex R. Thurman | ▲ Buy | Option Exercise | 10,000 | $387K | 4/30/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 10,000 | $1.4M | 4/30/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 1,237 | $144K | 4/10/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 210 | $25K | 4/10/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 614 | $73K | 4/10/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 32 | $4K | 4/10/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 2,469 | $271K | 4/2/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 1,146 | $126K | 4/2/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 1,831 | $201K | 4/2/2026 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 1,589 | $174K | 4/2/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 3,169 | $347K | 4/2/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 7,468 | $818K | 4/2/2026 |
| Thomas William Burns | ▼ Sell | Gift | 180,308 | $0 | 4/1/2026 |
| Thomas William Burns | ▼ Sell | Gift | 180,308 | $0 | 4/1/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 5,798 | $635K | 3/31/2026 |
| Thomas William Burns | ▲ Buy | Grant | 9,380 | $0 | 3/25/2026 |
| Thomas William Burns | ▲ Buy | Grant | 14,184 | $0 | 3/25/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 2,511 | $267K | 3/25/2026 |
| Alex R. Thurman | ▲ Buy | Grant | 3,303 | $0 | 3/25/2026 |
| Joseph E. Gilliam | ▲ Buy | Grant | 5,829 | $0 | 3/25/2026 |
| Joseph E. Gilliam | ▲ Buy | Grant | 17,792 | $0 | 3/25/2026 |
| Tomas Navratil | ▲ Buy | Grant | 4,622 | $0 | 3/25/2026 |
| Tomas Navratil | ▲ Buy | Grant | 11,693 | $0 | 3/25/2026 |
| Tomas Navratil | ▲ Buy | Grant | 3,692 | $0 | 3/25/2026 |
| Tomas Navratil | ▲ Buy | Grant | 12,774 | $0 | 3/25/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 7,388 | $777K | 3/24/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 2,744 | $289K | 3/24/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 2,546 | $268K | 3/24/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 1,521 | $160K | 3/24/2026 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 2,020 | $213K | 3/24/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 4,926 | $518K | 3/24/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 2,628 | $281K | 3/23/2026 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 1,230 | $131K | 3/23/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 2,804 | $300K | 3/23/2026 |
| Alex R. Thurman | ▼ Sell | Open Market | 625 | $62K | 3/17/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 958 | $95K | 3/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 460 | $45K | 3/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 299 | $29K | 3/16/2026 |
| Tomas Navratil | ▼ Sell | Open Market | 272 | $27K | 3/16/2026 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 614 | $61K | 3/16/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 1,189 | $118K | 3/16/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 2,801 | $277K | 3/16/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 5,212 | $506K | 3/13/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 2,462 | $239K | 3/13/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 1,074 | $104K | 3/13/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 361 | $40K | 3/5/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 1,098 | $123K | 3/5/2026 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 4,059 | $484K | 2/24/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 396 | $47K | 2/24/2026 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 1,057 | $126K | 2/24/2026 |
| Aimee S. Weisner | ▼ Sell | Gift | 980 | $0 | 2/19/2026 |
| Aimee S. Weisner | ▼ Sell | Gift | 980 | $0 | 2/19/2026 |
| Aimee S. Weisner | ▲ Buy | Option Exercise | 15,000 | $370K | 2/19/2026 |
| Aimee S. Weisner | ▼ Sell | Open Market | 2,153 | $249K | 2/19/2026 |
| Aimee S. Weisner | ▼ Sell | Open Market | 5,242 | $611K | 2/19/2026 |
| Aimee S. Weisner | ▼ Sell | Open Market | 1,134 | $133K | 2/19/2026 |
| Aimee S. Weisner | ▼ Sell | Open Market | 6,471 | $767K | 2/19/2026 |
| Thomas William Burns | ▲ Buy | Option Exercise | 166,000 | $5.1M | 2/9/2026 |
| Thomas William Burns | ▼ Sell | Gift | 67,353 | $0 | 2/6/2026 |
| Thomas William Burns | ▼ Sell | Gift | 67,353 | $0 | 2/6/2026 |
| Marc Stapley | ▼ Sell | Open Market | 1,671 | $214K | 1/22/2026 |
| Marc Stapley | ▲ Buy | Option Exercise | 15,000 | $370K | 1/22/2026 |
| Marc Stapley | ▼ Sell | Open Market | 3,812 | $481K | 1/22/2026 |
| Marc Stapley | ▼ Sell | Open Market | 3,892 | $494K | 1/22/2026 |
| Marc Stapley | ▼ Sell | Open Market | 4,325 | $558K | 1/22/2026 |
| Marc Stapley | ▼ Sell | Open Market | 1,300 | $169K | 1/22/2026 |
| Joseph E. Gilliam | ▲ Buy | Option Exercise | 10,498 | $579K | 1/22/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 2,406 | $303K | 1/22/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 3,100 | $394K | 1/22/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 1,798 | $230K | 1/22/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 3,194 | $413K | 1/22/2026 |
| Joseph E. Gilliam | ▲ Buy | Option Exercise | 4,502 | $248K | 1/21/2026 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 4,502 | $561K | 1/21/2026 |
| Thomas William Burns | ▲ Buy | Option Exercise | 186,945 | $3.1M | 1/16/2026 |
| Thomas William Burns | ▼ Sell | Open Market | 186,945 | $21.5M | 1/16/2026 |
| Thomas William Burns | ▲ Buy | Option Exercise | 88,055 | $1.5M | 1/8/2026 |
| Thomas William Burns | ▼ Sell | Open Market | 88,055 | $10.1M | 1/8/2026 |
| Gilbert H. Kliman | ▲ Buy | Grant | 623 | $0 | 1/2/2026 |
| David F. Hoffmeister | ▲ Buy | Grant | 753 | $0 | 1/2/2026 |
| Leana Wen | ▲ Buy | Grant | 623 | $0 | 1/2/2026 |
| Aimee S. Weisner | ▲ Buy | Grant | 623 | $0 | 1/2/2026 |
| Denice Torres | ▲ Buy | Grant | 623 | $0 | 1/2/2026 |
| Mark J. Foley | ▲ Buy | Grant | 1,168 | $0 | 1/2/2026 |
| Marc Stapley | ▲ Buy | Grant | 727 | $0 | 1/2/2026 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 510 | $58K | 12/30/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 1,098 | $125K | 12/30/2025 |
| Thomas William Burns | ▲ Buy | Grant | 4,168 | $0 | 12/11/2025 |
| Tomas Navratil | ▲ Buy | Grant | 2,054 | $0 | 12/11/2025 |
| Gilbert H. Kliman | ▲ Buy | Option Exercise | 5,000 | $123K | 12/9/2025 |
| Gilbert H. Kliman | ▼ Sell | Open Market | 5,000 | $536K | 12/9/2025 |
| Alex R. Thurman | ▼ Sell | Open Market | 315 | $33K | 11/25/2025 |
| Joseph E. Gilliam | ▼ Sell | Open Market | 19,340 | $1.7M | 11/18/2025 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 1,056 | $89K | 9/23/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 483 | $41K | 9/23/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 4,059 | $344K | 9/23/2025 |
| Tomas Navratil | ▼ Sell | Open Market | 23 | $2K | 9/22/2025 |
| Tomas Navratil | ▼ Sell | Open Market | 218 | $18K | 9/22/2025 |
| Tomas Navratil | ▼ Sell | Open Market | 276 | $23K | 9/22/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 510 | $43K | 9/19/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 1,098 | $92K | 9/19/2025 |
| Tomas Navratil | ▲ Buy | Grant | 1,948 | $0 | 9/18/2025 |
| Joseph E. Gilliam | ▲ Buy | Grant | 3,884 | $0 | 9/18/2025 |
| Thomas William Burns | ▲ Buy | Grant | 15,417 | $0 | 9/18/2025 |
| Tomas Navratil | ▼ Sell | Open Market | 3,194 | $281K | 9/11/2025 |
| Tomas Navratil | ▼ Sell | Open Market | 1,948 | $173K | 9/11/2025 |
| David F. Hoffmeister | ▲ Buy | Option Exercise | 25,000 | $800K | 6/11/2025 |
| Mark J. Foley | ▲ Buy | Grant | 2,108 | $0 | 5/29/2025 |
| David F. Hoffmeister | ▲ Buy | Grant | 2,108 | $0 | 5/29/2025 |
| Marc Stapley | ▲ Buy | Grant | 2,108 | $0 | 5/29/2025 |
| Aimee S. Weisner | ▲ Buy | Grant | 2,108 | $0 | 5/29/2025 |
| Denice Torres | ▲ Buy | Grant | 2,108 | $0 | 5/29/2025 |
| Gilbert H. Kliman | ▲ Buy | Grant | 2,108 | $0 | 5/29/2025 |
| Leana Wen | ▲ Buy | Grant | 2,108 | $0 | 5/29/2025 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 1,057 | $102K | 5/28/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 483 | $47K | 5/27/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 4,059 | $394K | 5/27/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 1,098 | $97K | 5/7/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 510 | $45K | 5/7/2025 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 2,484 | $241K | 4/21/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 7,957 | $773K | 4/21/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 484 | $47K | 4/1/2025 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 1,922 | $187K | 4/1/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 4,059 | $394K | 4/1/2025 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 311 | $30K | 4/1/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 510 | $50K | 3/31/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 1,098 | $108K | 3/31/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 5,112 | $550K | 3/25/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 1,830 | $177K | 3/25/2025 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 3,252 | $350K | 3/25/2025 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 1,592 | $154K | 3/25/2025 |
| Alex R. Thurman | ▼ Sell | Open Market | 1,059 | $113K | 3/25/2025 |
| Alex R. Thurman | ▼ Sell | Open Market | 430 | $46K | 3/25/2025 |
| Alex R. Thurman | ▼ Sell | Open Market | 31 | $3K | 3/25/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 1,971 | $212K | 3/25/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 7,468 | $721K | 3/25/2025 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 13,429 | $1.4M | 3/25/2025 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 2,891 | $279K | 3/25/2025 |
| Joseph E. Gilliam | ▼ Sell | Tax Withholding | 1,028 | $105K | 3/17/2025 |
| Thomas William Burns | ▼ Sell | Tax Withholding | 2,013 | $206K | 3/17/2025 |
| Alex R. Thurman | ▼ Sell | Tax Withholding | 489 | $50K | 3/17/2025 |
| Tomas Navratil | ▼ Sell | Tax Withholding | 958 | $98K | 3/17/2025 |
| Joseph E. Gilliam | ▲ Buy | Grant | 3,888 | $0 | 3/13/2025 |
| Joseph E. Gilliam | ▲ Buy | Grant | 5,829 | $0 | 3/13/2025 |
| Joseph E. Gilliam | ▲ Buy | Grant | 18,116 | $0 | 3/13/2025 |
| Thomas William Burns | ▲ Buy | Grant | 15,418 | $0 | 3/13/2025 |
| Thomas William Burns | ▲ Buy | Grant | 14,183 | $0 | 3/13/2025 |
| Thomas William Burns | ▲ Buy | Grant | 15,113 | $0 | 3/13/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 7, 2026
GKOS Joins Big Stocks Rising on Wednesday; 10‑Year Gains Highlight
GKOS was among the large stocks that gained on Wednesday, adding to its recent upward momentum. A Benzinga piece noted that a $1,000 investment in GKOS 10 years ago would be worth a substantial amount today, underscoring the company's long‑term growth. These stories highlight both the current price action and the company's historical performance.
GKOS Joins Big Stocks Rising on Wednesday; 10‑Year Gains Highlight. GKOS was among the large stocks that gained on Wednesday, adding to its recent upward momentum. A Benzinga piece noted that a $1,000 investment in GKOS 10 years ago would be worth a substantial amount today, underscoring the company's long‑term growth. These stories highlight both the current price action and the company's historical performance.