GLAUKOS (GKOS) stock: insider trades, news & valuation
Heavy selling
Close · Oct 9, 2026
$165.69
+2.7% on the day
+90.4% over 12 months
52-week range $74.67 – $189.55
Share price and insider trades
GKOS closeInsider buyInsider sale
Bought, 12 months$0
Sold, 12 months$69.3M
Insiders buying0
Insiders selling8
GLAUKOS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 8 sold $69.3M of GKOS stock on the open market.
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GKOS insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | $251K | 3 |
| Q3 2026 | — | 0 | $22.7M | 23 |
| Q2 2026 | — | 0 | $6.3M | 10 |
| Q1 2026 | — | 0 | $37.8M | 22 |
| Q4 2025 | — | 0 | $2.3M | 3 |
Valuation, profit and volume
P/E (trailing)n/aSector median —
Market value—
Profit margin—Revenue growth —
Volume vs. 50-day1.7×Last 5 sessions
Insiders' paper profit—On all tracked purchases —
Summary
Over the past 12 months, 0 GLAUKOS Corp insiders reported open-market purchases totaling $0, while 8 insiders reported sales totaling $69.3M. 44 of 61 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Oct 7SEC | Tomas NavratilChief Development Officer | Sell Plan | 88869,930 held (−1%) | $163.93 | $146K | +1.1% | — |
| Oct 7SEC | Tomas NavratilChief Development Officer | Sell Plan | 32769,603 held (−0%) | $164.78 | $54K | +0.6% | — |
| Oct 7SEC | Tomas NavratilChief Development Officer | Sell Plan | 31269,291 held (−0%) | $165.60 | $52K | +0.1% | — |
| Sep 28SEC | Tomas NavratilChief Development Officer | Sell Plan | 1,08370,818 held (−2%) | $154.88 | $168K | +7.0% | — |
| Sep 28SEC | Tomas NavratilChief Development Officer | Sell Plan | 22971,901 held (−0%) | $154.24 | $35K | +7.4% | — |
| Sep 28SEC | Tomas NavratilChief Development Officer | Sell Plan | 16772,266 held (−0%) | $151.70 | $25K | +9.2% | — |
| Sep 28SEC | Tomas NavratilChief Development Officer | Sell Plan | 13672,130 held (−0%) | $152.71 | $21K | +8.5% | — |
| Sep 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 46072,791 held (−1%) | $167.32 | $77K | -1.0% | — |
| Sep 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 34573,442 held (−0%) | $164.60 | $57K | +0.7% | — |
| Sep 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 23472,437 held (−0%) | $170.95 | $40K | -3.1% | — |
| Sep 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 19173,251 held (−0%) | $166.20 | $32K | -0.3% | — |
| Sep 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 12072,671 held (−0%) | $168.38 | $20K | -1.6% | — |
| Sep 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 10373,787 held (−0%) | $163.20 | $17K | +1.5% | — |
| Sep 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 472,433 held (−0%) | $172.00 | $688 | -3.7% | — |
| Sep 1SEC | Tomas NavratilChief Development Officer | Sell | 7,64379,991 held (−9%) | $180.25 | $1.4M | -8.1% | — |
| Sep 1SEC | Tomas NavratilChief Development Officer | Sell | 6,09173,900 held (−8%) | $181.19 | $1.1M | -8.6% | — |
| Sep 1SEC | Tomas NavratilChief Development Officer | Sell | 1073,890 held (−0%) | $182.50 | $2K | -9.2% | — |
| Aug 20SEC | Gilbert H KlimanDirector | Sell | 2,50037,406 held (−6%) | $190.00 | $475K | -12.8% | — |
| Aug 13SEC | Joseph E GilliamCOO, President | Sell | 32,03772,588 held (−31%) | $180.49 | $5.8M | -8.2% | — |
| Aug 13SEC | Joseph E GilliamCOO, President | Sell | 27,963104,625 held (−21%) | $178.89 | $5.0M | -7.4% | — |
| Aug 11SEC | Alex R. ThurmanCFO | Sell Plan | 20,00043,906 held (−31%) | $180.13 | $3.6M | -8.0% | — |
| Aug 3SEC | Leana WenDirector | Sell | 52521,092 held (−2%) | $167.63 | $88K | -1.2% | — |
| Jul 21SEC | Alex R. ThurmanCFO | Sell Plan | 10,00043,906 held (−19%) | $160.00 | $1.6M | +3.6% | — |
| Jul 13SEC | Alex R. ThurmanCFO | Sell Plan | 10,00043,681 held (−19%) | $155.00 | $1.6M | +6.9% | — |
| Jul 8SEC | Alex R. ThurmanCFO | Sell Plan | 10,00043,681 held (−19%) | $150.00 | $1.5M | +10.5% | — |
| Jul 8SEC | Tomas NavratilChief Development Officer | Sell Plan | 71687,634 held (−1%) | $139.06 | $100K | +19.2% | — |
| Jun 18SEC | Tomas NavratilChief Development Officer | Sell Plan | 1,53788,833 held (−2%) | $130.68 | $201K | +26.8% | — |
| May 18SEC | Gilbert H KlimanDirector | Sell | 5,00035,528 held (−12%) | $140.76 | $704K | +17.7% | — |
| May 13SEC | Gilbert H KlimanDirector | Sell | 5,00035,528 held (−12%) | $135.00 | $675K | +22.7% | — |
| May 4SEC | Joseph E GilliamCOO, President | Sell | 19,57373,419 held (−21%) | $143.54 | $2.8M | +15.4% | — |
| May 4SEC | Alex R. ThurmanCFO | Sell Plan | 10,00043,681 held (−19%) | $140.00 | $1.4M | +18.4% | — |
| May 4SEC | Leana WenDirector | Sell | 1,70019,739 held (−8%) | $143.35 | $244K | +15.6% | — |
| Apr 14SEC | Tomas NavratilChief Development Officer | Sell Plan | 1,23791,226 held (−1%) | $116.72 | $144K | +42.0% | — |
| Apr 14SEC | Tomas NavratilChief Development Officer | Sell Plan | 61490,402 held (−1%) | $119.35 | $73K | +38.8% | — |
| Apr 14SEC | Tomas NavratilChief Development Officer | Sell Plan | 21091,016 held (−0%) | $117.45 | $25K | +41.1% | — |
| Apr 14SEC | Tomas NavratilChief Development Officer | Sell Plan | 3290,370 held (−0%) | $120.23 | $4K | +37.8% | — |
| Mar 27SEC | Alex R. ThurmanCFO | Sell Plan | 2,51141,967 held (−6%) | $106.46 | $267K | +55.6% | — |
| Mar 25SEC | Alex R. ThurmanCFO | Sell Plan | 1,52146,498 held (−3%) | $105.24 | $160K | +57.4% | — |
| Mar 19SEC | Alex R. ThurmanCFO | Sell Plan | 62549,249 held (−1%) | $99.15 | $62K | +67.1% | — |
| Mar 19SEC | Tomas NavratilChief Development Officer | Sell Plan | 46074,202 held (−1%) | $97.33 | $45K | +70.2% | — |
| Mar 19SEC | Tomas NavratilChief Development Officer | Sell Plan | 29973,903 held (−0%) | $98.21 | $29K | +68.7% | — |
| Mar 19SEC | Tomas NavratilChief Development Officer | Sell Plan | 27273,631 held (−0%) | $99.05 | $27K | +67.3% | — |
| Feb 23SEC | Aimee S WeisnerDirector | Sell | 6,47118,806 held (−26%) | $118.56 | $767K | +39.8% | — |
| Feb 23SEC | Aimee S WeisnerDirector | Sell | 5,24226,411 held (−17%) | $116.64 | $611K | +42.1% | — |
| Feb 23SEC | Aimee S WeisnerDirector | Sell | 2,15331,653 held (−6%) | $115.69 | $249K | +43.2% | — |
| Feb 23SEC | Aimee S WeisnerDirector | Sell | 1,13425,277 held (−4%) | $117.33 | $133K | +41.2% | — |
| Jan 26SEC | Marc StapleyDirector | Sell Plan | 4,32538,749 held (−10%) | $129.11 | $558K | +28.3% | — |
| Jan 26SEC | Marc StapleyDirector | Sell Plan | 3,89244,745 held (−8%) | $126.96 | $494K | +30.5% | — |
| Jan 26SEC | Marc StapleyDirector | Sell Plan | 3,81248,637 held (−7%) | $126.07 | $481K | +31.4% | — |
| Jan 26SEC | Joseph E GilliamCOO, President | Sell Plan | 3,19492,366 held (−3%) | $129.28 | $413K | +28.2% | — |
| Jan 26SEC | Joseph E GilliamCOO, President | Sell Plan | 3,10097,358 held (−3%) | $127.03 | $394K | +30.4% | — |
| Jan 26SEC | Joseph E GilliamCOO, President | Sell Plan | 2,406100,458 held (−2%) | $126.10 | $303K | +31.4% | — |
| Jan 26SEC | Joseph E GilliamCOO, President | Sell Plan | 1,79895,560 held (−2%) | $128.07 | $230K | +29.4% | — |
| Jan 26SEC | Marc StapleyDirector | Sell Plan | 1,67143,074 held (−4%) | $127.92 | $214K | +29.5% | — |
| Jan 26SEC | Marc StapleyDirector | Sell Plan | 1,30037,449 held (−3%) | $129.78 | $169K | +27.7% | — |
| Jan 23SEC | Joseph E GilliamCOO, President | Sell Plan | 4,50292,366 held (−5%) | $124.65 | $561K | +32.9% | — |
| Jan 20SEC | Thomas William BurnsCEO, Chair | Sell Plan | 186,945153,775 held (−55%) | $115.00 | $21.5M | +44.1% | — |
| Jan 20SEC | Thomas William BurnsCEO, Chair | Sell Plan | 88,055153,775 held (−36%) | $115.00 | $10.1M | +44.1% | — |
| Dec 11SEC | Gilbert H KlimanDirector | Sell | 5,00034,905 held (−13%) | $107.27 | $536K | +54.5% | — |
| Nov 26SEC | Alex R. ThurmanCFO | Sell Plan | 31550,488 held (−1%) | $105.00 | $33K | +57.8% | — |
| Nov 20SEC | Joseph E GilliamCOO, President | Sell | 19,34092,366 held (−17%) | $90.00 | $1.7M | +84.1% | — |
Insiders at GLAUKOS Corp
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Thomas William BurnsCEO, Chair | — | $31.6M | Jan 20, 2026 | — |
| Joseph E GilliamCOO, President | — | $17.2M | Aug 13, 2026 | — |
| Alex R. ThurmanCFO | — | $10.2M | Aug 11, 2026 | — |
| Tomas NavratilChief Development Officer | — | $3.9M | Oct 7, 2026 | — |
| Gilbert H KlimanDirector | — | $2.4M | Aug 20, 2026 | — |
| Marc StapleyDirector | — | $1.9M | Jan 26, 2026 | — |
| Aimee S WeisnerDirector | — | $1.8M | Feb 23, 2026 | — |
| Leana WenDirector | — | $332K | Aug 3, 2026 | — |
GKOS stock: common questions
Are GLAUKOS Corp insiders buying GKOS stock?
In the past 12 months, 0 insiders reported open-market purchases of GKOS worth $0.
Are GLAUKOS Corp insiders selling GKOS stock?
8 insiders reported sales worth $69.3M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is GKOS's 52-week range?
Over the past year GKOS has traded between $74.67 and $189.55. It last closed at $165.69 on Oct 9, 2026.