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Glaukos
GKOSNYSE
Glaukos (NYSE:GKOS) Stock, Insider Trading Activity
Glaukos: Insider buying and selling updated today.
Institutional Shares Held
43.795M
Institutional Percentage Held
80.2%
| Jun 05, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $84.34 | -$145.80K | SELL-OPTIONS | 0.00% | 101.845K | Jun 03 | View |
| Jun 03, 2024 | Gilbert Kliman | — | 1.716K | $72.00 | -$400.00K | SELL-OPTIONS | 5.60% | 32.336K | May 30 | View |
| May 16, 2024 | Marc Stapley | — | 0 | $72.40 | -$504.99K | SELL-OPTIONS | 0.00% | 32.36K | May 15 | View |
| May 14, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $82.87 | -$132.64K | SELL-OPTIONS | 0.00% | 101.845K | May 10 | View |
| May 14, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -353 | $110.51 | -$39.01K | SELL | -0.68% | 51.647K | May 10 | View |
| May 08, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $82.77 | -$5.79K | SELL-OPTIONS | 0.00% | 101.845K | May 06 | View |
| May 08, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -90 | $110.26 | -$9.92K | SELL | -0.17% | 52K | May 06 | View |
| May 06, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -442 | $105.69 | -$46.71K | SELL | -0.84% | 52.09K | May 02 | View |
| May 06, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $87.41 | -$74.57K | SELL-OPTIONS | 0.00% | 101.845K | May 02 | View |
| Apr 10, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $71.08 | -$3.52M | SELL-OPTIONS | 0.00% | 101.845K | Apr 08 | View |
| Apr 09, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -1.634K | $99.91 | -$163.26K | SELL | -3.02% | 52.532K | Apr 05 - Apr 08 | View |
| Apr 09, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $76.00 | -$102.28K | SELL-OPTIONS | 0.00% | 101.845K | Apr 05 | View |
| Apr 05, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $75.89 | -$16.56K | SELL-OPTIONS | 0.00% | 101.845K | Apr 03 - Apr 04 | View |
| Apr 05, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -750 | $95.03 | -$71.27K | SELL | -1.37% | 54.166K | Apr 03 - Apr 04 | View |
| Apr 03, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -1.475K | $92.22 | -$136.03K | SELL | -2.62% | 54.916K | Apr 01 - Apr 02 | View |
| Mar 08, 2024 | Gilbert Kliman | — | -8.347K | $59.21 | -$993.56K | SELL | -21.42% | 30.62K | Mar 06 - Mar 07 | View |
| Mar 04, 2024 | Marc Stapley | — | 0 | $61.05 | -$363.09K | SELL-OPTIONS | 0.00% | 32.36K | Feb 29 | View |
| Feb 29, 2024 | Gilbert Kliman | — | -8K | $92.00 | -$736.00K | SELL | -17.03% | 38.967K | Feb 27 | View |
| Feb 27, 2024 | Joseph Gilliam | PRESIDENT & COO | -21.414K | $65.98 | -$8.19M | SELL | -17.87% | 98.388K | Feb 23 | View |
| Feb 26, 2024 | Mark Foley | — | 5.44K | $50.07 | -$350.74K | SELL-OPTIONS | 19.58% | 33.22K | Feb 23 | View |
| Feb 14, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $75.99 | -$62.93K | SELL-OPTIONS | 0.00% | 119.802K | Feb 12 | View |
| Feb 12, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $68.52 | -$311.05K | SELL-OPTIONS | 0.00% | 119.802K | Feb 08 - Feb 09 | View |
| Feb 09, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -583 | $95.74 | -$55.82K | SELL | -1.07% | 54.035K | Feb 07 - Feb 08 | View |
| Jan 31, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $66.61 | -$521.37K | SELL-OPTIONS | 0.00% | 119.802K | Jan 29 | View |
| Jan 24, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $66.56 | -$28.77K | SELL-OPTIONS | 0.00% | 119.802K | Jan 22 | View |
| Jan 22, 2024 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -583 | $90.54 | -$52.78K | SELL | -1.06% | 54.618K | Jan 18 | View |
| Jan 18, 2024 | Joseph Gilliam | PRESIDENT & COO | 0 | $60.05 | -$284.84K | SELL-OPTIONS | 0.00% | 119.802K | Jan 16 | View |
| Jan 16, 2024 | Joseph Gilliam | PRESIDENT & COO | -199 | $56.12 | -$21.73K | SELL | -0.17% | 119.802K | Jan 12 | View |
| Jan 10, 2024 | William Thomas Burns | CHAIRMAN & CEO | 0 | $44.91 | -$4.53M | SELL-OPTIONS | 0.00% | 155.835K | Jan 08 - Jan 09 | View |
| Jan 03, 2024 | William Thomas Burns | CHAIRMAN & CEO | 0 | $42.24 | -$6.64M | SELL-OPTIONS | 0.00% | 155.835K | Jan 02 | View |
| Dec 22, 2023 | Joseph Gilliam | PRESIDENT & COO | 0 | $63.25 | -$1.08M | SELL-OPTIONS | 0.00% | 120.001K | Dec 21 | View |
| Dec 22, 2023 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -583 | $85.14 | -$49.64K | SELL | -1.04% | 55.242K | Dec 21 | View |
| Dec 22, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $46.24 | -$6.21M | SELL-OPTIONS | 0.00% | 155.835K | Dec 21 - Dec 22 | View |
| Dec 18, 2023 | Alex Thurman | SVP & CHIEF FINANCIAL OFFICER | -1.27K | $79.80 | -$101.35K | SELL | -2.22% | 55.825K | Dec 15 | View |
| Dec 18, 2023 | Marc Stapley | — | 0 | $46.36 | -$961.13K | SELL-OPTIONS | 0.00% | 31.316K | Dec 14 | View |
| Dec 18, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $43.27 | -$6.48M | SELL-OPTIONS | 0.00% | 155.835K | Dec 14 - Dec 15 | View |
| Oct 04, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $39.63 | -$2.91M | SELL-OPTIONS | 0.00% | 154.785K | Oct 02 | View |
| Aug 08, 2023 | Gilbert Kliman | — | 0 | $40.92 | -$672.85K | SELL-OPTIONS | 0.00% | 29.725K | Aug 04 | View |
| Jul 21, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $43.64 | -$14.55K | SELL-OPTIONS | 0.00% | 673.963K | Jul 19 | View |
| Jul 18, 2023 | Joseph Gilliam | PRESIDENT & COO | 0 | $58.35 | -$1.68M | SELL-OPTIONS | 0.00% | 120.484K | Jul 14 | View |
| Jul 18, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $42.61 | -$2.12M | SELL-OPTIONS | 0.00% | 673.963K | Jul 14 | View |
| Jul 14, 2023 | Joseph Gilliam | PRESIDENT & COO | 0 | $57.39 | -$84.78K | SELL-OPTIONS | 0.00% | 120.484K | Jul 12 | View |
| Jul 11, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $39.07 | -$863.05K | SELL-OPTIONS | 0.00% | 673.963K | Jul 07 - Jul 10 | View |
| Jul 06, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $38.43 | -$1.96M | SELL-OPTIONS | 0.00% | 673.963K | Jul 03 - Jul 05 | View |
| Jun 30, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $38.73 | -$1.69M | SELL-OPTIONS | 0.00% | 673.963K | Jun 28 | View |
| Jun 12, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $38.65 | -$200.16K | SELL-OPTIONS | 0.00% | 673.963K | Jun 08 | View |
| Jun 08, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $36.91 | -$1.48M | SELL-OPTIONS | 0.00% | 673.963K | Jun 06 - Jun 07 | View |
| Jun 05, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $33.64 | -$7.49K | SELL-OPTIONS | 0.00% | 673.963K | Jun 02 | View |
| May 23, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $33.65 | -$422.01 | SELL-OPTIONS | 0.00% | 673.963K | May 19 - May 23 | View |
| May 19, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $33.72 | -$649.62K | SELL-OPTIONS | 0.00% | 673.963K | May 17 - May 18 | View |
| May 17, 2023 | William Thomas Burns | CHAIRMAN & CEO | 0 | $33.65 | -$399.16K | SELL-OPTIONS | 0.00% | 673.963K | May 15 - May 16 | View |
| Aug 08, 2022 | Gilbert H Kliman | DIRECTOR | -318.234K | $53.01 | -$178.23K | SELL | -95.80% | 13.965K | Aug 04 - Aug 05 | View |
| May 07, 2021 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | -15.549K | $82.50 | -$1.28M | SELL | -29.48% | 37.19K | May 06 | View |
| May 05, 2021 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | -5K | $65.82 | -$1.30M | SELL | -8.66% | 52.739K | May 03 | View |
| Mar 17, 2021 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | 0 | $63.49 | -$243.90K | SELL-OPTIONS | 0.00% | 42.802K | Mar 15 | View |
| Feb 11, 2021 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | 0 | $67.66 | -$795.09K | SELL-OPTIONS | 0.00% | 42.802K | Feb 09 | View |
| Feb 03, 2021 | Chris Calcaterra | CHIEF OPERATING OFFICER | 0 | $52.44 | -$4.34M | SELL-OPTIONS | 0.00% | 163.806K | Feb 01 | View |
| Dec 03, 2020 | PHD WILLIAM LINK | — | 0 | $46.41 | -$2.16M | OPTION EXERCISE | 0.00% | 55.918K | Dec 01 | View |
| May 27, 2020 | William Thomas Burns | — | 0 | $21.60 | -$7.31M | OPTION EXERCISE | 0.00% | 405.889K | May 26 | View |
| May 22, 2020 | William Thomas Burns | — | 0 | $21.01 | -$13.63K | OPTION EXERCISE | 0.00% | 405.889K | May 20 | View |
| Feb 14, 2020 | Joseph Gilliam | — | 0 | $55.09 | -$100.54K | OPTION EXERCISE | 0.00% | 47.528K | Feb 12 | View |
| Oct 02, 2019 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | 0 | $45.34 | -$133.51K | SELL-OPTIONS | 0.00% | 47.528K | Sep 30 | View |
| Sep 12, 2019 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | 0 | $56.05 | -$179.44K | SELL-OPTIONS | 0.00% | 47.528K | Sep 10 - Sep 12 | View |
| Aug 28, 2019 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | 0 | $45.04 | -$130.78K | SELL-OPTIONS | 0.00% | 47.528K | Aug 26 | View |
| Jul 24, 2019 | Joseph Gilliam | CFO, SVP CORPORATE DEVELOPMENT | 0 | $56.42 | -$392.93K | SELL-OPTIONS | 0.00% | 47.528K | Jul 22 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.