Glaukos Corporation (GKOS)
NYSE$100.54
Market Cap
$5.69B
Sector
Healthcare
Industry
Medical—Devices
Rank in Sector
605 of 924
Rank in Industry
74 of 118
Insider Buys Sum
Cluster
Trading
Trading
Insider Buys
Quantity
Quantity
Historical
Profitability
Profitability
Investor
Ownership
Ownership
Largest Insider Buys in Sector
GKOS Insider Trading Activity
GKOS Median Price and Trade Amounts History Chart
Statistics of Insider Transactions
Amount of Insider Buys and Sells
Buys | $0 | 0 | 0 |
Sells | $19,439,815 | 30 | 100 |
Related Transactions
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 0 | $0 | 9 | $407,910 | $-407,910 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 0 | $0 | 1 | $502,630 | $-502,630 |
| Stapley Marc | director | 0 | $0 | 2 | $1.49M | $-1.49M |
| Foley Mark J | director | 0 | $0 | 1 | $2.5M | $-2.5M |
| Kliman Gilbert H | director | 0 | $0 | 4 | $2.74M | $-2.74M |
| WEISNER AIMEE S | director | 0 | $0 | 1 | $3M | $-3M |
| Gilliam Joseph E | PRESIDENT & COO | 0 | $0 | 12 | $8.8M | $-8.8M |
About Glaukos Corporation
Glaukos Corporation, an ophthalmic medical technology and pharmaceutical company, focuses on the development of novel therapies for the treatment of glaucoma, corneal disorders, and retinal diseases. It offers iStent, iStent inject, iStent inject W micro-bypass stents that enhance aqueous humor outflow inserted in cataract surgery to treat mild-to-moderate open-angle glaucoma. The company's product pipeline includes iStent Infinite, a three stents product that is designed for use as a standalone procedure in patients with refractory glaucoma; …
Insider Activity of Glaukos Corporation
Over the last 12 months, insiders at Glaukos Corporation have bought $0 and sold $19.44M worth of Glaukos Corporation stock.
On average, over the past 5 years, insiders at Glaukos Corporation have bought $0 and sold $21.24M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 4,200 shares for transaction amount of $100,128 was made by Gilliam Joseph E () on 2017‑11‑22.
List of Insider Buy and Sell Transactions, Glaukos Corporation
| 2025-02-26 | Sale | Foley Mark J | director | 20,687 0.0375% | $120.72 | $2.5M | -15.73% | |
| 2025-02-14 | Sale | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | 3,416 0.0062% | $147.14 | $502,630 | -26.90% | |
| 2024-12-20 | Sale | Gilliam Joseph E | PRESIDENT & COO | 3,328 0.006% | $149.85 | $498,716 | +0.19% | |
| 2024-12-20 | Sale | Kliman Gilbert H | director | 10,000 0.0181% | $150.28 | $1.5M | +0.19% | |
| 2024-12-11 | Sale | Kliman Gilbert H | director | 2,000 0.0037% | $144.01 | $288,020 | +4.87% | |
| 2024-10-30 | Sale | Gilliam Joseph E | PRESIDENT & COO | 2,275 0.0041% | $138.97 | $316,157 | +3.57% | |
| 2024-09-09 | Sale | Kliman Gilbert H | director | 3,000 0.0055% | $130.67 | $392,000 | +7.18% | |
| 2024-08-21 | Sale | Gilliam Joseph E | PRESIDENT & COO | 5,000 0.0091% | $129.36 | $646,791 | +5.14% | |
| 2024-08-15 | Sale | Stapley Marc | director | 6,250 0.0118% | $125.93 | $787,086 | +8.54% | |
| 2024-08-08 | Sale | WEISNER AIMEE S | director | 25,000 0.0453% | $120.00 | $3M | +12.29% | |
| 2024-07-05 | Sale | Gilliam Joseph E | PRESIDENT & COO | 2,250 0.0046% | $121.39 | $273,128 | +7.89% | |
| 2024-06-03 | Sale | Gilliam Joseph E | PRESIDENT & COO | 2,500 0.0049% | $113.50 | $283,751 | +13.33% | |
| 2024-05-30 | Sale | Kliman Gilbert H | director | 5,000 0.01% | $112.00 | $560,000 | +16.89% | |
| 2024-05-15 | Sale | Stapley Marc | director | 6,250 0.0126% | $112.80 | $704,993 | +15.23% | |
| 2024-05-10 | Sale | Gilliam Joseph E | PRESIDENT & COO | 2,395 0.0048% | $110.56 | $264,791 | +16.12% | |
| 2024-05-10 | Sale | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 316 0.0006% | $110.43 | $34,896 | +16.12% | |
| 2024-05-10 | Sale | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 353 0.0007% | $110.51 | $39,011 | +16.12% | |
| 2024-05-06 | Sale | Gilliam Joseph E | PRESIDENT & COO | 105 0.0002% | $110.36 | $11,588 | +21.98% | |
| 2024-05-06 | Sale | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | 90 0.0002% | $110.26 | $9,923 | +21.98% | |
| 2024-05-02 | Sale | Gilliam Joseph E | PRESIDENT & COO | 2,059 0.0041% | $105.52 | $217,263 | +21.79% |
Total: 188
*Gray background shows transactions not older than one year
Insider Historical Profitability
29.57%
| Gilliam Joseph E | PRESIDENT & COO | 102169 0.1806% | $10.27M | 1 | 40 | +49.43% |
| WEISNER AIMEE S | director | 30119 0.0532% | $3.03M | 2 | 1 | +57.32% |
| Burns Thomas William | CHAIRMAN & CEO | 55835 0.0987% | $5.61M | 1 | 45 | +18.1% |
| MORE ROBERT J | director | 5000 0.0088% | $502,700.00 | 1 | 0 | <0.0001% |
| HARRISON RICHARD L | 1388 0.0025% | $139,549.52 | 1 | 8 | +18.1% |
*Gray background shows insiders who have made transactions during last year
GKOS Institutional Investors: Active Positions
| Increased Positions | 177 | +51.91% | 7M | +12.84% |
| Decreased Positions | 148 | -43.4% | 5M | -8.58% |
| New Positions | 55 | New | 2M | New |
| Sold Out Positions | 40 | Sold Out | 1M | Sold Out |
| Total Postitions | 370 | +8.5% | 57M | +4.26% |
GKOS Ownership Change vs Market
Institutional Investor Ownership
Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
| Blackrock, Inc. | $898,994.00 | 15.43% | 8.8M | +319,714 | +3.77% | 2024-12-31 |
| Fmr Llc | $624,560.00 | 10.72% | 6.11M | -472,732 | -7.18% | 2024-12-31 |
| Vanguard Group Inc | $610,582.00 | 10.48% | 5.97M | +101,838 | +1.73% | 2024-12-31 |
| Wellington Management Group Llp | $220,683.00 | 3.79% | 2.16M | -24,227 | -1.11% | 2024-12-31 |
| State Street Corp | $210,859.00 | 3.62% | 2.06M | +108,950 | +5.57% | 2024-12-31 |
| Ameriprise Financial Inc | $197,311.00 | 3.39% | 1.93M | +290,661 | +17.72% | 2024-12-31 |
| Invesco Ltd. | $149,058.00 | 2.56% | 1.46M | +68,310 | +4.91% | 2024-12-31 |
| Brown Capital Management Llc | $137,738.00 | 2.37% | 1.35M | -286,734 | -17.54% | 2024-12-31 |
| Lord, Abbett & Co. Llc | $133,818.00 | 2.3% | 1.31M | -219,009 | -14.33% | 2024-12-31 |
| Primecap Management Co/Ca/ | $124,092.00 | 2.13% | 1.21M | -30,860 | -2.48% | 2024-12-31 |
Financial Ratios
Summary
Comparison with Competitors
Analyst Recommendations
Analyst Price Targets
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