GKOS
Glaukos Corporation$172.13+1.04 (+0.61%)Prev Close$171.09·MCap$9.87B·P/E—·Vol277.5K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
29
$58.48M
◆
Net Activity
Net Seller
$58.48M
●
Active Insiders
8
last 12 mo
Over the past 12 months, insider activity at Glaukos Corporation (GKOS) has been exclusively selling, with 0 insider purchases totaling $0.00 and 29 insider sales totaling $58.48M. The most recent insider transaction was by Navratil Tomas (officer: CHIEF DEVELOPMENT OFFICER), who sold $2.48M worth of shares on Sep 1, 2026. Glaukos Corporation operates in the Healthcare sector, within the Medical - Devices industry, with a market cap of $9.87B.
GKOS Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 13,744 | $180.67 | $2.48M | 79,991 |
| Aug 20, 2026 | Kliman Gilbert H | director | Sell | 2,500 | $190.00 | $475.0K | 37,406 |
| Aug 13, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 60,000 | $179.74 | $10.78M | 104,625-36% |
| Aug 11, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 20,000 | $180.13 | $3.60M | 43,906-31% |
| Aug 3, 2026 | WEN LEANA | director | Sell | 525 | $167.63 | $88.0K | 21,092 |
| Jul 21, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $160.00 | $1.60M | 43,906 |
| Jul 13, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $155.00 | $1.55M | 43,681 |
| Jul 8, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $150.00 | $1.50M | 43,681 |
| Jul 8, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 716 | $139.06 | $99.6K | 87,634 |
| Jun 18, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 1,537 | $130.68 | $200.9K | 88,833 |
| May 18, 2026 | Kliman Gilbert H | director | Sell | 5,000 | $140.76 | $703.8K | 35,528 |
| May 13, 2026 | Kliman Gilbert H | director | Sell | 5,000 | $135.00 | $675.0K | 35,528 |
| May 4, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $140.00 | $1.40M | 43,681 |
| May 4, 2026 | WEN LEANA | director | Sell | 1,700 | $143.35 | $243.7K | 19,739 |
| May 4, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 19,573 | $143.54 | $2.81M | 73,419 |
| Apr 14, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 2,093 | $117.62 | $246.2K | 91,226 |
| Mar 27, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 2,511 | $106.46 | $267.3K | 41,967 |
| Mar 25, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 1,521 | $105.24 | $160.1K | 46,498 |
| Mar 19, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 625 | $99.15 | $62.0K | 49,249 |
| Mar 19, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 1,031 | $98.04 | $101.1K | 74,202 |
| Feb 19, 2026 | WEISNER AIMEE S | Director | Sell | 15,000 | $117.38 | $1.76M | 0 |
| Jan 26, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 10,498 | $127.68 | $1.34M | 100,458 |
| Jan 26, 2026 | Stapley Marc | director | Sell | 15,000 | $127.71 | $1.92M | 48,637 |
| Jan 23, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 4,502 | $124.65 | $561.2K | 92,366 |
| Jan 20, 2026 | Burns Thomas William | director, officer: CHAIRMAN & CEO | Sell | 186,945 | $115.00 | $21.50M | 153,775-55% |
| Dec 11, 2025 | Kliman Gilbert H | Sell | 5,000 | $107.27 | $536.4K | 34,905 | |
| Nov 26, 2025 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 315 | $105.00 | $33.1K | 50,488 |
| Nov 20, 2025 | Gilliam Joseph E | PRESIDENT & COO | Sell | 19,340 | $90.00 | $1.74M | 92,366 |
| Sep 24, 2025 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 517 | $84.22 | $43.5K | 76,884 |
| Sep 12, 2025 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 5,142 | $88.22 | $453.6K | 77,417 |
| Mar 27, 2025 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 1,520 | $106.84 | $162.4K | 53,892 |
| Feb 28, 2025 | Foley Mark J | Sell | 20,687 | $120.72 | $2.50M | 54,249-28% | |
| Feb 19, 2025 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 3,416 | $147.14 | $502.6K | 72,437 |
| Dec 23, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 3,328 | $149.85 | $498.7K | 103,461 |
| Dec 23, 2024 | Kliman Gilbert H | Sell | 10,000 | $150.28 | $1.50M | 32,336 | |
| Dec 13, 2024 | Kliman Gilbert H | Sell | 2,000 | $144.01 | $288.0K | 32,336 | |
| Nov 1, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,275 | $138.97 | $316.2K | 102,169 |
| Sep 11, 2024 | Kliman Gilbert H | Sell | 3,000 | $130.67 | $392.0K | 33,336 | |
| Aug 23, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 5,000 | $129.36 | $646.8K | 102,749 |
| Aug 19, 2024 | Stapley Marc | Sell | 6,250 | $125.93 | $787.1K | 39,726 | |
| Aug 12, 2024 | WEISNER AIMEE S | Sell | 25,000 | $120.00 | $3.00M | 30,119-45% | |
| Jul 9, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,250 | $121.39 | $273.1K | 101,845 |
| Jun 5, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,500 | $113.50 | $283.8K | 102,971 |
| Jun 3, 2024 | Kliman Gilbert H | Sell | 5,000 | $112.00 | $560.0K | 30,620 | |
| May 16, 2024 | Stapley Marc | Sell | 6,250 | $112.80 | $705.0K | 36,560 | |
| May 14, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,395 | $110.56 | $264.8K | 101,845 |
| May 14, 2024 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 353 | $110.51 | $39.0K | 51,684 |
| May 8, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 105 | $110.36 | $11.6K | 101,845 |
| May 8, 2024 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 90 | $110.26 | $9.9K | 52,000 |
| May 6, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,059 | $105.52 | $217.3K | 103,259 |
Showing 1–50 of 97
1 / 2
GKOS Insider Buying Activity
The following table shows recent insider purchases of Glaukos Corporation (GKOS) stock reported via SEC Form 4 filings.
No insider buying activity found for GKOS in the last 12 months.
GKOS Insider Selling Activity
The following table shows recent insider sales of Glaukos Corporation (GKOS) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 13,744 | $180.67 | $2.48M | 79,991 |
| Aug 20, 2026 | Kliman Gilbert H | director | Sell | 2,500 | $190.00 | $475.0K | 37,406 |
| Aug 13, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 60,000 | $179.74 | $10.78M | 104,625-36% |
| Aug 11, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 20,000 | $180.13 | $3.60M | 43,906-31% |
| Aug 3, 2026 | WEN LEANA | director | Sell | 525 | $167.63 | $88.0K | 21,092 |
| Jul 21, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $160.00 | $1.60M | 43,906 |
| Jul 13, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $155.00 | $1.55M | 43,681 |
| Jul 8, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $150.00 | $1.50M | 43,681 |
| Jul 8, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 716 | $139.06 | $99.6K | 87,634 |
| Jun 18, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 1,537 | $130.68 | $200.9K | 88,833 |
| May 18, 2026 | Kliman Gilbert H | director | Sell | 5,000 | $140.76 | $703.8K | 35,528 |
| May 13, 2026 | Kliman Gilbert H | director | Sell | 5,000 | $135.00 | $675.0K | 35,528 |
| May 4, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 10,000 | $140.00 | $1.40M | 43,681 |
| May 4, 2026 | WEN LEANA | director | Sell | 1,700 | $143.35 | $243.7K | 19,739 |
| May 4, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 19,573 | $143.54 | $2.81M | 73,419 |
| Apr 14, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 2,093 | $117.62 | $246.2K | 91,226 |
| Mar 27, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 2,511 | $106.46 | $267.3K | 41,967 |
| Mar 25, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 1,521 | $105.24 | $160.1K | 46,498 |
| Mar 19, 2026 | Thurman Alex R. | officer: SVP & CHIEF FINANCIAL OFFICER | Sell | 625 | $99.15 | $62.0K | 49,249 |
| Mar 19, 2026 | Navratil Tomas | officer: CHIEF DEVELOPMENT OFFICER | Sell | 1,031 | $98.04 | $101.1K | 74,202 |
| Feb 19, 2026 | WEISNER AIMEE S | Director | Sell | 15,000 | $117.38 | $1.76M | 0 |
| Jan 26, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 10,498 | $127.68 | $1.34M | 100,458 |
| Jan 26, 2026 | Stapley Marc | director | Sell | 15,000 | $127.71 | $1.92M | 48,637 |
| Jan 23, 2026 | Gilliam Joseph E | officer: PRESIDENT & COO | Sell | 4,502 | $124.65 | $561.2K | 92,366 |
| Jan 20, 2026 | Burns Thomas William | director, officer: CHAIRMAN & CEO | Sell | 186,945 | $115.00 | $21.50M | 153,775-55% |
| Dec 11, 2025 | Kliman Gilbert H | Sell | 5,000 | $107.27 | $536.4K | 34,905 | |
| Nov 26, 2025 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 315 | $105.00 | $33.1K | 50,488 |
| Nov 20, 2025 | Gilliam Joseph E | PRESIDENT & COO | Sell | 19,340 | $90.00 | $1.74M | 92,366 |
| Sep 24, 2025 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 517 | $84.22 | $43.5K | 76,884 |
| Sep 12, 2025 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 5,142 | $88.22 | $453.6K | 77,417 |
| Mar 27, 2025 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 1,520 | $106.84 | $162.4K | 53,892 |
| Feb 28, 2025 | Foley Mark J | Sell | 20,687 | $120.72 | $2.50M | 54,249-28% | |
| Feb 19, 2025 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 3,416 | $147.14 | $502.6K | 72,437 |
| Dec 23, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 3,328 | $149.85 | $498.7K | 103,461 |
| Dec 23, 2024 | Kliman Gilbert H | Sell | 10,000 | $150.28 | $1.50M | 32,336 | |
| Dec 13, 2024 | Kliman Gilbert H | Sell | 2,000 | $144.01 | $288.0K | 32,336 | |
| Nov 1, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,275 | $138.97 | $316.2K | 102,169 |
| Sep 11, 2024 | Kliman Gilbert H | Sell | 3,000 | $130.67 | $392.0K | 33,336 | |
| Aug 23, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 5,000 | $129.36 | $646.8K | 102,749 |
| Aug 19, 2024 | Stapley Marc | Sell | 6,250 | $125.93 | $787.1K | 39,726 | |
| Aug 12, 2024 | WEISNER AIMEE S | Sell | 25,000 | $120.00 | $3.00M | 30,119-45% | |
| Jul 9, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,250 | $121.39 | $273.1K | 101,845 |
| Jun 5, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,500 | $113.50 | $283.8K | 102,971 |
| Jun 3, 2024 | Kliman Gilbert H | Sell | 5,000 | $112.00 | $560.0K | 30,620 | |
| May 16, 2024 | Stapley Marc | Sell | 6,250 | $112.80 | $705.0K | 36,560 | |
| May 14, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,395 | $110.56 | $264.8K | 101,845 |
| May 14, 2024 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 353 | $110.51 | $39.0K | 51,684 |
| May 8, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 105 | $110.36 | $11.6K | 101,845 |
| May 8, 2024 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 90 | $110.26 | $9.9K | 52,000 |
| May 6, 2024 | Gilliam Joseph E | PRESIDENT & COO | Sell | 2,059 | $105.52 | $217.3K | 103,259 |
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