Glaukos Corporation
| Security | GKOS / Glaukos Corporation |
| Insider | Tomas Navratil |
This page shows the track record and history of Navratil Tomas
insider trades in Glaukos Corporation. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Tomas Navratil in GKOS / Glaukos Corporation. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Tomas Navratil in GKOS / Glaukos Corporation. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-12 | 2025-09-11 | 4 | Navratil Tomas | GKOS | Common Stock | D | 88.6100 | -1,948 | -173 | 75,469 | ||||
| 2025-09-12 | 2025-09-11 | 4 | Navratil Tomas | GKOS | Common Stock | D | 87.9800 | -3,194 | -281 | 77,417 | ||||
| 2025-05-28 | 2025-05-27 | 4 | Navratil Tomas | GKOS | Common Stock | D | 96.9700 | -483 | -47 | 80,611 | ||||
| 2025-05-09 | 2025-05-07 | 4 | Navratil Tomas | GKOS | Common Stock | D | 88.2400 | -510 | -45 | 81,094 | ||||
| 2025-04-02 | 2025-04-01 | 4 | Navratil Tomas | GKOS | Common Stock | D | 97.0900 | -484 | -47 | 81,604 | ||||
| 2025-04-02 | 2025-03-31 | 4 | Navratil Tomas | GKOS | Common Stock | D | 98.4200 | -510 | -50 | 82,088 | ||||
| 2025-03-27 | 2025-03-25 | 4 | Navratil Tomas | GKOS | Common Stock | D | 96.6000 | -1,830 | -177 | 82,598 | ||||
| 2025-03-27 | 2025-03-25 | 4 | Navratil Tomas | GKOS | Common Stock | D | 107.6100 | -5,112 | -550 | 84,428 | ||||
| 2025-03-17 | 2025-03-17 | 4 | Navratil Tomas | GKOS | Common Stock | D | 102.1900 | -958 | -98 | 89,540 | ||||
| 2025-03-17 | 2025-03-13 | 4 | Navratil Tomas | GKOS | Common Stock | D | 12,422 | 90,498 | ||||||
| 2025-03-17 | 2025-03-13 | 4 | Navratil Tomas | GKOS | Common Stock | D | 3,691 | 78,076 | ||||||
| 2025-03-17 | 2025-03-13 | 4 | Navratil Tomas | GKOS | Common Stock | D | 1,948 | 74,385 | ||||||
| 2025-02-19 | 2025-02-14 | 4 | Navratil Tomas | GKOS | Common Stock | D | 147.1400 | -3,416 | -503 | 72,437 | ||||
| 2025-01-08 | 2025-01-06 | 4 | Navratil Tomas | GKOS | Common Stock | D | 149.6800 | -1,185 | -177 | 75,853 | ||||
| 2025-01-02 | 2024-12-31 | 4 | Navratil Tomas | GKOS | Common Stock | D | 151.1600 | -255 | -39 | 77,038 | ||||
| 2025-01-02 | 2024-12-30 | 4 | Navratil Tomas | GKOS | Common Stock | D | 2,054 | 77,293 | ||||||
| 2025-01-02 | 2024-12-20 | 4 | Navratil Tomas | GKOS | Common Stock | D | 138.9300 | -484 | -67 | 75,239 | ||||
| 2025-01-02 | 2024-12-20 | 4 | Navratil Tomas | GKOS | Common Stock | D | 145.1400 | -509 | -74 | 75,723 | ||||
| 2024-10-16 | 2024-10-15 | 4 | Navratil Tomas | GKOS | Common Stock | D | 130.0700 | -510 | -66 | 76,232 | ||||
| 2024-09-23 | 2024-09-19 | 4 | Navratil Tomas | GKOS | Common Stock | D | 4,108 | 76,742 | ||||||
| 2024-08-08 | 2024-08-06 | 4 | Navratil Tomas | GKOS | Common Stock | D | 120.7300 | -520 | -63 | 72,634 | ||||
| 2024-06-26 | 2024-06-24 | 4 | Navratil Tomas | GKOS | Common Stock | D | 92.6900 | -260 | -24 | 73,154 | ||||
| 2024-06-26 | 2024-06-24 | 4 | Navratil Tomas | GKOS | Common Stock | D | 93.5700 | -260 | -24 | 73,414 | ||||
| 2024-04-03 | 2024-04-01 | 4 | Navratil Tomas | GKOS | Common Stock | D | 93.1000 | -494 | -46 | 73,674 | ||||
| 2024-04-01 | 2024-03-28 | 4 | Navratil Tomas | GKOS | Common Stock | D | 88.7200 | -2,603 | -231 | 74,168 | ||||
| 2024-04-01 | 2024-03-28 | 4 | Navratil Tomas | GKOS | Common Stock | D | 88.0800 | -2,418 | -213 | 76,771 | ||||
| 2024-03-27 | 2024-03-25 | 4 | Navratil Tomas | GKOS | Common Stock | D | 87.1600 | -459 | -40 | 79,189 | ||||
| 2024-03-18 | 2024-03-14 | 4 | Navratil Tomas | GKOS | Common Stock | D | 11,075 | 79,648 | ||||||
| 2024-03-18 | 2024-03-14 | 4 | Navratil Tomas | GKOS | Common Stock | D | 1,027 | 68,573 | ||||||
| 2024-03-18 | 2024-03-14 | 4 | Navratil Tomas | GKOS | Common Stock | D | 1,950 | 67,546 | ||||||
| 2024-01-16 | 2024-01-12 | 4 | Navratil Tomas | GKOS | Common Stock | D | 77.0800 | -1,209 | -93 | 65,596 | ||||
| 2023-12-12 | 2023-12-08 | 4 | Navratil Tomas | GKOS | Common Stock | D | 1,027 | 66,805 | ||||||
| 2023-12-12 | 2023-11-10 | 4 | Navratil Tomas | GKOS | Common Stock | D | 68.8300 | -509 | -35 | 65,778 | ||||
| 2023-09-18 | 2023-09-14 | 4 | Navratil Tomas | GKOS | Common Stock | D | 2,052 | 66,287 | ||||||
| 2023-09-12 | 2023-09-08 | 4 | Navratil Tomas | GKOS | Common Stock | D | 74.7200 | -483 | -36 | 64,235 | ||||
| 2023-05-05 | 2023-05-04 | 4 | Navratil Tomas | GKOS | Common Stock | D | 49.3100 | -178 | -9 | 64,718 | ||||
| 2023-04-19 | 2023-04-17 | 4 | Navratil Tomas | GKOS | Common Stock | D | 48.6900 | -445 | -22 | 64,896 | ||||
| 2023-04-10 | 2023-04-06 | 4 | Navratil Tomas | GKOS | Common Stock | D | 49.5100 | -338 | -17 | 65,341 | ||||
| 2023-03-28 | 2023-03-24 | 4 | Navratil Tomas | GKOS | Common Stock | D | 49.3500 | -1,776 | -88 | 65,679 | ||||
| 2023-03-24 | 2023-03-22 | 4 | Navratil Tomas | GKOS | Common Stock | D | 3,594 | 67,455 | ||||||
| 2023-03-24 | 2023-03-22 | 4 | Navratil Tomas | GKOS | Common Stock | D | 23,387 | 63,861 | ||||||
| 2023-03-02 | 2023-03-01 | 4 | Navratil Tomas | GKOS | Common Stock | D | 48.5100 | -178 | -9 | 40,474 | ||||
| 2023-02-15 | 2023-02-15 | 4 | Navratil Tomas | GKOS | Common Stock | D | 50.2600 | -356 | -18 | 40,652 | ||||
| 2023-01-30 | 2023-01-26 | 4 | Navratil Tomas | GKOS | Common Stock | D | 46.1500 | -356 | -16 | 41,008 | ||||
| 2023-01-30 | 2023-01-26 | 4 | Navratil Tomas | GKOS | Common Stock | D | 43.8800 | -885 | -39 | 41,364 | ||||
| 2023-01-30 | 2023-01-11 | 4 | Navratil Tomas | GKOS | Common Stock | D | 45.1700 | -389 | -18 | 42,249 | ||||
| 2023-01-30 | 2023-01-11 | 4 | Navratil Tomas | GKOS | Common Stock | D | 43.8800 | -1,299 | -57 | 42,638 | ||||
| 2022-12-19 | 2022-12-15 | 4 | Navratil Tomas | GKOS | Common Stock | D | 5,135 | 43,937 | ||||||
| 2022-12-05 | 2022-11-25 | 4 | Navratil Tomas | GKOS | Common Stock | D | 53.4100 | -338 | -18 | 38,802 | ||||
| 2022-12-05 | 2022-09-15 | 4 | Navratil Tomas | GKOS | Common Stock | D | 1,949 | 39,140 | ||||||
| 2022-04-21 | 2022-04-19 | 4 | Navratil Tomas | GKOS | Common Stock | D | 60.4700 | -338 | -20 | 37,191 | ||||
| 2022-04-05 | 3 | Navratil Tomas | GKOS | Common Stock | D | 37,866 | ||||||||
| 2022-04-05 | 2022-04-01 | 4 | Navratil Tomas | GKOS | Common Stock | D | 60.7800 | -337 | -20 | 37,529 |
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)
