NYSE · CIK 0001192448
GKOS GLAUKOS Corp
Insider trading from SEC Form 4. Last filing 5 d ago. Close $165.69 on Oct 9, 2026, +122% from the 52-week low and -13% from the high.
Last 90 days
Net insider value
-$3.2M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
4
$3.2M by 1 insider
Insiders on file
11
with a Form 4 at this company
Price and insider trades, last year
GKOSOct 9, 2026 · close 165.69
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at GLAUKOS Corp, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 8Weak | Tomas Navratil CHIEF DEVELOPMENT OFFICER sell | $251k 1,527 shares | -2% | +120% from low-13% from high | |
| 8Weak | Tomas Navratil CHIEF DEVELOPMENT OFFICER sell | $249k 1,615 shares | -2% | +107% from low-19% from high | |
| 8Weak | Tomas Navratil CHIEF DEVELOPMENT OFFICER sell | $243k 1,457 shares | -2% | - | |
| 45Moderate | Tomas Navratil CHIEF DEVELOPMENT OFFICER sell | $2.5M 13,744 shares | -16% | - | |
| 13Weak | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER sell | $162k 1,520 shares | -3% | - | |
| 43Moderate | Mark J Foley director sell | $2.5M 20,687 shares | -28% | - | |
| 21Weak | Tomas Navratil CHIEF DEVELOPMENT OFFICER sell | $503k 3,416 shares | -5% | - | |
| 18Weak | Gilbert H Kliman director sell | $1.5M 10,000 shares | -24% | - | |
| 11Weak | Joseph E Gilliam PRESIDENT & COO sell | $499k 3,328 shares | -3% | - | |
| 22Weak | Gilbert H Kliman director sell | $288k 2,000 shares | -6% | - | |
| 0Weak | Joseph E Gilliam PRESIDENT & COO sell | $316k 2,275 shares | -2% | - |
Transactions
The last 100 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -888 | $163.93 | $146k | 69,930 | 5 d ago |
| Oct 5, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -327 | $164.78 | $54k | 69,603 | 5 d ago |
| Oct 5, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -312 | $165.60 | $52k | 69,291 | 5 d ago |
| Sep 25, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -167 | $151.70 | $25k | 72,266 | 14 d ago |
| Sep 25, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -136 | $152.71 | $21k | 72,130 | 14 d ago |
| Sep 25, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -229 | $154.24 | $35k | 71,901 | 14 d ago |
| Sep 25, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -1,083 | $154.88 | $168k | 70,818 | 14 d ago |
| Sep 16, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -103 | $163.20 | $17k | 73,787 | 24 d ago |
| Sep 16, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -345 | $164.60 | $57k | 73,442 | 24 d ago |
| Sep 16, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -191 | $166.20 | $32k | 73,251 | 24 d ago |
| Sep 16, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -460 | $167.32 | $77k | 72,791 | 24 d ago |
| Sep 16, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -120 | $168.38 | $20k | 72,671 | 24 d ago |
| Sep 16, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -234 | $170.95 | $40k | 72,437 | 24 d ago |
| Sep 16, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -4 | $172.00 | $688 | 72,433 | 24 d ago |
| Aug 28, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock | -7,643 | $180.25 | $1.4M | 79,991 | 41 d ago |
| Aug 28, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock | -6,091 | $181.19 | $1.1M | 73,900 | 41 d ago |
| Aug 28, 2026 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock | -10 | $182.50 | $1,825 | 73,890 | 41 d ago |
| Sep 23, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -4,059 | $84.69 | $344k | 150,705 | Sep 24, 2025 |
| Sep 18, 2025 | Thomas William Burns CHAIRMAN & CEO | AGrant or award Common Stock | +15,417 | $0.00 | $0 | 155,862 | Sep 22, 2025 |
| Sep 19, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -1,098 | $83.47 | $92k | 154,764 | Sep 22, 2025 |
| Jun 11, 2025 | David F Hoffmeister director | MOption exercise Common Stock | +25,000 | $32.00 | $800k | 31,918 | Jun 13, 2025 |
| Jun 11, 2025 | David F Hoffmeister director | MOption exercise Stock Option (Right to Buy)derivative | -25,000 | $0.00 | $0 | 0 | Jun 13, 2025 |
| Jan 2, 2025 | Denice Torres director | AGrant or award Common Stock | +461 | $0.00 | $0 | 19,603 | Jun 2, 2025 |
| Jan 2, 2025 | Leana Wen director | AGrant or award Common Stock | +461 | $0.00 | $0 | 18,708 | Jun 2, 2025 |
| Jan 2, 2025 | Marc Stapley director | AGrant or award Common Stock | +538 | $0.00 | $0 | 34,614 | Jun 2, 2025 |
| Jan 2, 2025 | Aimee S Weisner director | AGrant or award Common Stock | +461 | $0.00 | $0 | 17,055 | Jun 2, 2025 |
| Jan 2, 2025 | Mark J Foley director | AGrant or award Common Stock | +864 | $0.00 | $0 | 35,800 | Jun 2, 2025 |
| Jan 2, 2025 | Gilbert H Kliman director | AGrant or award Common Stock | +461 | $0.00 | $0 | 32,797 | Jun 2, 2025 |
| Jan 2, 2025 | David F Hoffmeister director | AGrant or award Common Stock | +557 | $0.00 | $0 | 4,810 | Jun 2, 2025 |
| May 29, 2025 | Marc Stapley director | AGrant or award Common Stock | +2,108 | $0.00 | $0 | 36,722 | Jun 2, 2025 |
| May 29, 2025 | David F Hoffmeister director | AGrant or award Common Stock | +2,108 | $0.00 | $0 | 6,918 | Jun 2, 2025 |
| May 29, 2025 | Leana Wen director | AGrant or award Common Stock | +2,108 | $0.00 | $0 | 20,816 | Jun 2, 2025 |
| May 29, 2025 | Mark J Foley director | AGrant or award Common Stock | +2,108 | $0.00 | $0 | 57,221 | Jun 2, 2025 |
| May 29, 2025 | Gilbert H Kliman director | AGrant or award Common Stock | +2,108 | $0.00 | $0 | 34,905 | Jun 2, 2025 |
| May 29, 2025 | Denice Torres director | AGrant or award Common Stock | +2,108 | $0.00 | $0 | 21,711 | Jun 2, 2025 |
| May 29, 2025 | Aimee S Weisner director | AGrant or award Common Stock | +2,108 | $0.00 | $0 | 19,163 | Jun 2, 2025 |
| May 29, 2025 | Marc Stapley director | AGrant or award Stock Option (Right to Buy)derivative | +3,149 | $0.00 | $0 | 3,149 | Jun 2, 2025 |
| May 29, 2025 | David F Hoffmeister director | AGrant or award Stock Option (Right to Buy)derivative | +3,149 | $94.87 | $299k | 3,149 | Jun 2, 2025 |
| May 29, 2025 | Mark J Foley director | AGrant or award Stock Option (Right to Buy)derivative | +3,149 | $0.00 | $0 | 3,149 | Jun 2, 2025 |
| May 29, 2025 | Leana Wen director | AGrant or award Stock Option (Right to Buy)derivative | +3,149 | $0.00 | $0 | 3,149 | Jun 2, 2025 |
| May 29, 2025 | Gilbert H Kliman director | AGrant or award Stock Option (Right to Buy)derivative | +3,149 | $0.00 | $0 | 3,149 | Jun 2, 2025 |
| May 29, 2025 | Denice Torres director | AGrant or award Stock Option (Right to Buy)derivative | +3,149 | $0.00 | $0 | 3,149 | Jun 2, 2025 |
| May 29, 2025 | Aimee S Weisner director | AGrant or award Stock Option (Right to Buy)derivative | +3,149 | $0.00 | $0 | 3,149 | Jun 2, 2025 |
| May 28, 2025 | Joseph E Gilliam PRESIDENT & COO | FTax withholding Common Stock | -1,057 | $96.97 | $102k | 108,711 | May 30, 2025 |
| May 27, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -4,059 | $96.97 | $394k | 140,445 | May 28, 2025 |
| May 27, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -483 | $96.97 | $47k | 80,611 | May 28, 2025 |
| May 7, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -1,098 | $88.24 | $97k | 144,504 | May 9, 2025 |
| May 7, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -510 | $88.24 | $45k | 81,094 | May 9, 2025 |
| Apr 21, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -7,957 | $97.09 | $773k | 145,602 | Apr 23, 2025 |
| Apr 21, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | FTax withholding Common Stock | -2,484 | $97.09 | $241k | 50,636 | Apr 23, 2025 |
| Apr 1, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | FTax withholding Common Stock | -311 | $97.09 | $30k | 53,120 | Apr 2, 2025 |
| Apr 1, 2025 | Joseph E Gilliam PRESIDENT & COO | FTax withholding Common Stock | -1,922 | $97.09 | $187k | 109,768 | Apr 2, 2025 |
| Mar 31, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -1,098 | $98.42 | $108k | 157,618 | Apr 2, 2025 |
| Mar 31, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -510 | $98.42 | $50k | 82,088 | Apr 2, 2025 |
| Apr 1, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -4,059 | $97.09 | $394k | 153,559 | Apr 2, 2025 |
| Apr 1, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -484 | $97.09 | $47k | 81,604 | Apr 2, 2025 |
| Mar 25, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -1,971 | $107.61 | $212k | 166,184 | Mar 27, 2025 |
| Mar 25, 2025 | Joseph E Gilliam PRESIDENT & COO | FTax withholding Common Stock | -13,429 | $107.61 | $1.4M | 114,581 | Mar 27, 2025 |
| Mar 25, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | FTax withholding Common Stock10b5-1 | -3,252 | $107.61 | $350k | 56,543 | Mar 27, 2025 |
| Mar 25, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -5,112 | $107.61 | $550k | 84,428 | Mar 27, 2025 |
| Mar 25, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -7,468 | $96.60 | $721k | 158,716 | Mar 27, 2025 |
| Mar 25, 2025 | Joseph E Gilliam PRESIDENT & COO | FTax withholding Common Stock | -2,891 | $96.60 | $279k | 111,690 | Mar 27, 2025 |
| Mar 25, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | FTax withholding Common Stock10b5-1 | -1,592 | $96.60 | $154k | 54,951 | Mar 27, 2025 |
| Mar 25, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -1,830 | $96.60 | $177k | 82,598 | Mar 27, 2025 |
| Mar 25, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | SOpen-market sale Common Stock10b5-1 | -1,059 | $106.56 | $113k | 53,892 | Mar 27, 2025 |
| Mar 25, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | SOpen-market sale Common Stock10b5-1 | -430 | $107.44 | $46k | 53,462 | Mar 27, 2025 |
| Mar 25, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | SOpen-market sale Common Stock10b5-1 | -31 | $108.14 | $3,352 | 53,431 | Mar 27, 2025 |
| Mar 13, 2025 | Thomas William Burns CHAIRMAN & CEO | AGrant or award Common Stock | +15,418 | $0.00 | $0 | 101,276 | Mar 17, 2025 |
| Mar 13, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | AGrant or award Common Stock | +1,948 | $0.00 | $0 | 74,385 | Mar 17, 2025 |
| Mar 13, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | AGrant or award Common Stock | +3,303 | $0.00 | $0 | 55,274 | Mar 17, 2025 |
| Mar 13, 2025 | Joseph E Gilliam PRESIDENT & COO | AGrant or award Common Stock | +3,888 | $0.00 | $0 | 105,093 | Mar 17, 2025 |
| Mar 13, 2025 | Thomas William Burns CHAIRMAN & CEO | AGrant or award Common Stock | +14,183 | $0.00 | $0 | 115,459 | Mar 17, 2025 |
| Mar 13, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | AGrant or award Common Stock | +3,691 | $0.00 | $0 | 78,076 | Mar 17, 2025 |
| Mar 13, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | AGrant or award Common Stock | +5,010 | $0.00 | $0 | 60,284 | Mar 17, 2025 |
| Mar 13, 2025 | Joseph E Gilliam PRESIDENT & COO | AGrant or award Common Stock | +5,829 | $0.00 | $0 | 110,922 | Mar 17, 2025 |
| Mar 13, 2025 | Thomas William Burns CHAIRMAN & CEO | AGrant or award Common Stock | +15,113 | $0.00 | $0 | 130,572 | Mar 17, 2025 |
| Mar 13, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | AGrant or award Common Stock | +12,422 | $0.00 | $0 | 90,498 | Mar 17, 2025 |
| Mar 13, 2025 | Joseph E Gilliam PRESIDENT & COO | AGrant or award Common Stock | +18,116 | $0.00 | $0 | 129,038 | Mar 17, 2025 |
| Mar 17, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | FTax withholding Common Stock | -489 | $102.19 | $50k | 59,795 | Mar 17, 2025 |
| Mar 17, 2025 | Joseph E Gilliam PRESIDENT & COO | FTax withholding Common Stock | -1,028 | $102.19 | $105k | 128,010 | Mar 17, 2025 |
| Mar 13, 2025 | Thomas William Burns CHAIRMAN & CEO | AGrant or award Common Stock | +39,596 | $0.00 | $0 | 170,168 | Mar 17, 2025 |
| Mar 13, 2025 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | AGrant or award Stock Option (Right to Buy)derivative | +19,849 | $0.00 | $0 | 19,849 | Mar 17, 2025 |
| Mar 17, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -958 | $102.19 | $98k | 89,540 | Mar 17, 2025 |
| Mar 13, 2025 | Joseph E Gilliam PRESIDENT & COO | AGrant or award Stock Option (Right to Buy)derivative | +13,271 | $0.00 | $0 | 35,713 | Mar 17, 2025 |
| Mar 17, 2025 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -2,013 | $102.19 | $206k | 168,155 | Mar 17, 2025 |
| Mar 13, 2025 | Thomas William Burns CHAIRMAN & CEO | AGrant or award Stock Option (Right to Buy)derivative | +24,102 | $0.00 | $0 | 24,102 | Mar 17, 2025 |
| Feb 26, 2025 | Mark J Foley director | MOption exercise Common Stock | +25,000 | $32.00 | $800k | 59,936 | Feb 28, 2025 |
| Feb 26, 2025 | Mark J Foley director | MOption exercise Common Stock | +15,000 | $24.69 | $370k | 74,936 | Feb 28, 2025 |
| Feb 26, 2025 | Mark J Foley director | SOpen-market sale Common Stock | -20,687 | $120.72 | $2.5M | 54,249 | Feb 28, 2025 |
| Feb 26, 2025 | Mark J Foley director | MOption exercise Stock Option (Right to Buy)derivative | -25,000 | $0.00 | $0 | 0 | Feb 28, 2025 |
| Feb 26, 2025 | Mark J Foley director | MOption exercise Stock Option (Right to Buy)derivative | -15,000 | $0.00 | $0 | 0 | Feb 28, 2025 |
| Feb 14, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | SOpen-market sale Common Stock10b5-1 | -3,416 | $147.14 | $503k | 72,437 | Feb 19, 2025 |
| Jan 6, 2025 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -1,185 | $149.68 | $177k | 75,853 | Jan 8, 2025 |
| Dec 30, 2024 | Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER | AGrant or award Stock Option (Right to Buy)derivative | +3,660 | $0.00 | $0 | 33,852 | Jan 2, 2025 |
| Dec 20, 2024 | Joseph E Gilliam PRESIDENT & COO | FTax withholding Common Stock | -964 | $138.93 | $134k | 101,205 | Jan 2, 2025 |
| Dec 20, 2024 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -509 | $145.14 | $74k | 75,723 | Jan 2, 2025 |
| Dec 20, 2024 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -4,059 | $138.93 | $564k | 83,337 | Jan 2, 2025 |
| Dec 20, 2024 | Tomas Navratil CHIEF DEVELOPMENT OFFICER | FTax withholding Common Stock | -484 | $138.93 | $67k | 75,239 | Jan 2, 2025 |
| Dec 20, 2024 | Thomas William Burns CHAIRMAN & CEO | FTax withholding Common Stock | -1,098 | $145.14 | $159k | 82,239 | Jan 2, 2025 |
| Dec 30, 2024 | Joseph E Gilliam PRESIDENT & COO | AGrant or award Stock Option (Right to Buy)derivative | +7,318 | $0.00 | $0 | 57,697 | Jan 2, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Thomas William BurnsCHAIRMAN & CEO
- Mark J Foleyceo, officer, director, president
- Joseph E GilliamPRESIDENT & COO
- David F Hoffmeisterdirector
- Gilbert H Klimandirector
- Tomas NavratilCHIEF DEVELOPMENT OFFICER
- Marc Stapleyceo, officer, director
- Alex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
- Denice Torresdirector
- Aimee S Weisnerdirector
- Leana Wendirector
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.