Glaukos Corporation insider trading
GKOSfinancial statementsForm 4 filings on EDGAR245 transactions since Nov 9, 2024
From August 12, 2026 to November 9, 2026, 0 insiders at Glaukos Corporation bought $0 of stock in the open market, and 2 sold $15M. Officers and directors accounted for $0 of purchases and $15M of sales. The last reported transaction was an option exercise by Kliman Gilbert H on November 4, 2026.
The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through November 5, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.
Stock price and insider activity
Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.
Bought $0Sold $15MAug 12, 2026 – Nov 9, 2026
purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.
Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 6, 2026. Insider data through Nov 9, 2026. Prices are adjusted for splits; transaction values are reported dollars.
Every transaction
245 transactions from November 9, 2024 to November 9, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.
| Traded | Insider | Role | Transaction | Shares | Price | Value | Held after | Filed |
|---|---|---|---|---|---|---|---|---|
| Nov 4, 2026 | Kliman Gilbert H | Director | option exercise | 2,500 | $25.77 | $64K | 39,906 | Nov 5, 2026 |
| Nov 4, 2026 | Kliman Gilbert H | Director | open-market sale | 2,500 | $253.00 | $633K | 37,406 | Nov 5, 2026 |
| Oct 30, 2026 | Weisner Aimee S | Director | gift | 2,382 | $0.00 | — | 15,801 | Nov 3, 2026 |
| Oct 30, 2026 | Weisner Aimee S | Director | giftindirect | 2,382 | $0.00 | — | 31,887 | Nov 3, 2026 |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | option exercise | 4,181 | $55.00 | $230K | 72,976 | Nov 3, 2026 |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | option exercise | 8,788 | $85.94 | $755K | 81,764 | Nov 3, 2026 |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale | 10,221 | $237.54 | $2M | 71,543 | Nov 3, 2026 |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale | 12,836 | $238.56 | $3M | 58,707 | Nov 3, 2026 |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale | 14,943 | $239.64 | $4M | 43,764 | Nov 3, 2026 |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale | 6,436 | $240.52 | $2M | 37,328 | Nov 3, 2026 |
| Oct 5, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 888 | $163.93 | $146K | 69,930 | Oct 7, 2026 |
| Oct 5, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 327 | $164.78 | $54K | 69,603 | Oct 7, 2026 |
| Oct 5, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 312 | $165.60 | $52K | 69,291 | Oct 7, 2026 |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 167 | $151.70 | $25K | 72,266 | Sep 28, 2026 |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 136 | $152.71 | $21K | 72,130 | Sep 28, 2026 |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 229 | $154.24 | $35K | 71,901 | Sep 28, 2026 |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 1,083 | $154.88 | $168K | 70,818 | Sep 28, 2026 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 103 | $163.20 | $17K | 73,787 | Sep 18, 2026 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 345 | $164.60 | $57K | 73,442 | Sep 18, 2026 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 191 | $166.20 | $32K | 73,251 | Sep 18, 2026 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 460 | $167.32 | $77K | 72,791 | Sep 18, 2026 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 120 | $168.38 | $20K | 72,671 | Sep 18, 2026 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 234 | $170.95 | $40K | 72,437 | Sep 18, 2026 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 4 | $172.00 | $688 | 72,433 | Sep 18, 2026 |
| Aug 28, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale | 7,643 | $180.25 | $1M | 79,991 | Sep 1, 2026 |
| Aug 28, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale | 6,091 | $181.19 | $1M | 73,900 | Sep 1, 2026 |
| Aug 28, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale | 10 | $182.50 | $2K | 73,890 | Sep 1, 2026 |
| Aug 19, 2026 | Kliman Gilbert H | Director | option exercise | 2,500 | $25.77 | $64K | 39,906 | Aug 20, 2026 |
| Aug 19, 2026 | Kliman Gilbert H | Director | open-market sale | 2,500 | $190.00 | $475K | 37,406 | Aug 20, 2026 |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | option exercise | 10,000 | $48.46 | $485K | 82,588 | Aug 13, 2026 |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | option exercise | 20,000 | $55.18 | $1M | 102,588 | Aug 13, 2026 |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | option exercise | 20,000 | $55.18 | $1M | 122,588 | Aug 13, 2026 |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | option exercise | 10,000 | $48.46 | $485K | 132,588 | Aug 13, 2026 |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | open-market sale | 27,963 | $178.89 | $5M | 104,625 | Aug 13, 2026 |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | open-market sale | 32,037 | $180.49 | $6M | 72,588 | Aug 13, 2026 |
| Aug 7, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | option exercise | 20,000 | $33.81 | $676K | 63,906 | Aug 11, 2026 |
| Aug 7, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | open-market sale10b5-1 | 20,000 | $180.13 | $4M | 43,906 | Aug 11, 2026 |
| Jul 31, 2026 | Wen Leana | Director | open-market sale | 525 | $167.63 | $88K | 21,092 | Aug 3, 2026 |
| Jul 16, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | option exercise | 10,000 | $38.68 | $387K | 53,906 | Jul 21, 2026 |
| Jul 16, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | open-market sale10b5-1 | 10,000 | $160.00 | $2M | 43,906 | Jul 21, 2026 |
| Jul 9, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | option exercise | 10,000 | $38.68 | $387K | 53,681 | Jul 13, 2026 |
| Jul 9, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | open-market sale10b5-1 | 10,000 | $155.00 | $2M | 43,681 | Jul 13, 2026 |
| Jul 6, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | option exercise | 10,000 | $38.68 | $387K | 53,681 | Jul 8, 2026 |
| Jul 6, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | open-market sale10b5-1 | 10,000 | $150.00 | $2M | 43,681 | Jul 8, 2026 |
| Jul 1, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 716 | $139.06 | $100K | 87,634 | Jul 8, 2026 |
| Jun 25, 2026 | Burns Thomas William | CHAIRMAN & CEO, Director | tax withholding | 4,059 | $142.57 | $579K | 68,967 | Jun 29, 2026 |
| Jun 25, 2026 | Gilliam Joseph E | PRESIDENT & COO | tax withholding | 1,056 | $142.57 | $151K | 72,363 | Jun 29, 2026 |
| Jun 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | tax withholding | 483 | $142.57 | $69K | 88,350 | Jun 29, 2026 |
| Jun 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | open-market sale10b5-1 | 1,537 | $130.68 | $201K | 88,833 | Jun 18, 2026 |
| May 28, 2026 | Wen Leana | Director | award | 1,878 | $0.00 | — | 21,617 | Jun 1, 2026 |
Who the insiders are
Everyone who reported a transaction since November 9, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.
| Insider | Role | Last transaction | Kind | Shares held | Bought, 12 months | Sold, 12 months | Sales under a plan |
|---|---|---|---|---|---|---|---|
| Burns Thomas William | CHAIRMAN & CEO, Director | Jun 25, 2026 | tax withholding | 68,967 | — | $32M (2) | 2 of 2 |
| Gilliam Joseph E | PRESIDENT & COO | Aug 11, 2026 | option exercise | 82,588 | — | $17M (9) | 5 of 9 |
| Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Oct 30, 2026 | option exercise | 72,976 | — | $14M (30) | 20 of 30 |
| Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Aug 7, 2026 | option exercise | 63,906 | — | $10M (9) | 9 of 9 |
| Kliman Gilbert H | Director | Nov 4, 2026 | option exercise | 39,906 | — | $3M (5) | 0 of 5 |
| Stapley Marc | Director | May 28, 2026 | award | 39,327 | — | $2M (5) | 5 of 5 |
| Weisner Aimee S | Director | Oct 30, 2026 | gift | 15,801 | — | $2M (4) | 0 of 4 |
| Wen Leana | Director | Jul 31, 2026 | open-market sale | 21,092 | — | $332K (2) | 0 of 2 |
| Foley Mark J | Director | May 28, 2026 | award | 60,267 | — | — | — |
| Hoffmeister David F | Director | May 28, 2026 | award | 49,549 | — | — | — |
| Torres Denice | Director | May 28, 2026 | award | 24,212 | — | — | — |
Questions
Are Glaukos Corporation insiders buying or selling?
Over the twelve months to November 9, 2026, 8 insiders at Glaukos Corporation sold $81M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $81M. Only open-market purchases and sales are counted.
Who sold the most Glaukos Corporation stock in the last year?
Burns Thomas William (CHAIRMAN & CEO, Director) sold $32M in 2 open-market sales over the twelve months to November 9, 2026.
Do Glaukos Corporation executives sell under 10b5-1 plans?
41 of the 66 open-market sales in the last twelve months (62%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.
What counts as insider buying here?
Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.
More on Glaukos Corporation
- Glaukos Corporation financial statements
- Insider buying and selling across all companies
- These transactions as JSON
From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.