Glaukos Corporation Form 4 Filings

GLAUKOS Corp (GKOS) reported that its Chief Development Officer, Tomas Navratil, sold a total of 1,457 shares of common stock on September 16, 2026 in a series of open‑market transactions under a Rule 10b5-1 trading plan adopted on June 12, 2026.

The weighted‑average sale prices for the trades ranged from about $163.20 to $172.00 per share, and the officer’s holdings include 38,817 restricted stock units that have not yet vested or been delivered.

GLAUKOS Corp (GKOS) reported that chief development officer Tomas Navratil sold a total of 13,744 shares of common stock on August 28, 2026, in three open-market transactions. The sales covered 7,643 shares at a weighted average price of $180.25 (with individual trades between $179.69 and $180.69), 6,091 shares at a weighted average price of $181.19 (with trades between $180.71 and $181.61), and 10 shares at $182.50. The prices reported are weighted averages, and detailed trade breakdowns are available upon request. Following these transactions, Navratil’s equity holdings include 38,817 restricted stock units that have not yet vested or been delivered.

GLAUKOS Corp (GKOS) director Gilbert H. Kliman exercised stock options for 2,500 shares of common stock on 2026-08-19 at an exercise price of $25.77 per share. The resulting 2,500 common shares were then sold the same day at $190.00 per share. After the exercise, Kliman continued to hold stock options for 12,500 shares, and his equity awards also include 2,501 restricted stock units that are unvested or deferred.

GLAUKOS Corp president and COO Joseph E. Gilliam reported multiple option exercises and related stock sales for GKOS on 2026-08-11. He exercised options covering 60,000 shares of Common Stock and acquired an equal number of shares, then sold 60,000 Common shares in two open-market transactions at weighted average prices of $178.89 and $180.49 per share. He also continues to hold 41,983 restricted stock units and 225 stock units from the Employee Stock Purchase Plan, which remain unvested or undelivered.

Glaukos Corp senior vice president and chief financial officer Alex R. Thurman reported an options exercise and same-day sale of common stock. On August 7, 2026, he exercised stock options for 20,000 shares of common stock at an exercise price of $33.81 per share and acquired those shares, then sold 20,000 shares of common stock at a weighted average price of $180.13 per share in a sale in open market or private transactions. The option exercises and sale were effected pursuant to a Rule 10b5-1 trading plan adopted on December 15, 2025. Following these transactions, his reported holdings include 5,230 restricted stock units that have not yet vested or been delivered and 225 stock units purchased through the Employee Stock Purchase Plan.

Glaukos Corp director Leana Wen sold 525 shares of common stock on July 31, 2026 at $167.63 per share in a sale described as an open-market or private transaction. After the sale, she reports holding 21,092 shares, including 2,501 restricted stock units that are unvested or with deferred delivery. The transaction was not reported as made under a Rule 10b5-1 trading plan.

GLAUKOS Corp SVP & Chief Financial Officer Alex R. Thurman exercised options for 10,000 shares of common stock at an exercise price of $38.68 per share on July 16, 2026, then sold 10,000 shares at $160.00 per share. The option exercises and sales were effected under a Rule 10b5-1 trading plan adopted on December 15, 2025. Equity holdings also include 5,230 unvested restricted stock units and 225 shares acquired through the Employee Stock Purchase Plan.

Glaukos Corp SVP & Chief Financial Officer Alex R. Thurman exercised stock options for 10,000 shares of Common Stock at $38.68 per share and, on the same date, sold 10,000 shares at $155.00 per share in an open-market transaction, all under a Rule 10b5-1 trading plan.

After these transactions, he holds 43,681 shares directly, including 5,230 restricted stock units that have not yet vested or been delivered, and 10,000 stock options with a $38.68 exercise price expiring on October 6, 2026, which vest over four years from the grant date.

Glaukos Corp SVP & Chief Financial Officer Alex R. Thurman reported an exercise-and-sale transaction in company stock. On July 6, 2026, he exercised stock options for 10,000 shares of common stock at $38.68 per share and, on the same date, sold 10,000 shares of common stock in an open-market transaction at $150.00 per share. After these transactions, he directly holds 43,681 shares of Glaukos common stock, in addition to 5,230 restricted stock units that are unvested. Both the sale and the option exercise were carried out under a Rule 10b5-1 trading plan adopted on December 15, 2025, indicating they were pre-arranged rather than opportunistic market trades.

Glaukos Corp chief development officer Tomas Navratil reported a small open-market sale of company stock. On July 1, he sold 716 shares of Glaukos common stock at an average price of $139.06 per share in an open-market transaction.

After the sale, Navratil directly holds 87,634 shares of Glaukos common stock, so the transaction represents a minor portion of his overall stake. The sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 12, 2026, indicating it was scheduled in advance. His holdings also include 38,817 restricted stock units that have not yet vested or been delivered.

Glaukos Corp chairman and CEO Thomas William Burns reported updated holdings of the company’s common stock, mainly through several family and charitable trusts. The filing lists indirect positions including 100,000 shares through the Janet M. Burns Irrevocable Trust and 1,141,593 shares through the Burns Family Trust.

The only actual share movement was a tax-withholding disposition of 4,059 directly held shares at $142.57 per share to satisfy tax obligations upon vesting and delivery of restricted stock units granted on March 18, 2021. After this, he directly holds 68,967 shares, and his position also includes 56,382 restricted stock units that have not yet vested or been delivered.

GLAUKOS Corp President & COO Joseph E. Gilliam reported a routine tax-related share disposition. On the vesting and delivery of previously granted restricted stock units, the company withheld 1,056 shares of common stock to cover his tax withholding obligations at $142.57 per share.

After this withholding, Gilliam directly holds 72,363 shares of common stock. This position includes 41,983 restricted stock units that have been granted but have not yet vested or been delivered, reflecting ongoing equity-based compensation rather than an open-market sale.

GLAUKOS Corp Chief Development Officer Tomas Navratil reported a small share disposition related to tax withholding, not a market sale. On this Form 4, 483 shares of common stock were withheld by the company at $142.57 per share to satisfy tax obligations upon vesting of restricted stock units granted on March 18, 2021.

After this tax-withholding event, Navratil directly holds 88,350 shares of GLAUKOS common stock, which the filing notes include 38,817 restricted stock units that have not yet vested or been delivered. This filing reflects a routine compensation and tax event rather than an open-market trade.

Glaukos Corp director Mark J. Foley reported a grant of 2,987 stock options for common stock, each with an exercise price of $106.52. These options were granted under the company’s Director Compensation Policy and vest in full on the one-year anniversary of the May 28, 2026 grant date.

This Form 4/A corrects an earlier filing that mistakenly listed the exercise price as $53.57. After this grant, Foley holds 2,987 stock options from this award, which are scheduled to expire on May 28, 2036 if not exercised.

Glaukos Corp director Leana Wen received a grant of stock options, and the amended Form 4 corrects their exercise price. On May 28, 2026 she was granted options for 2,987 shares of common stock at an exercise price of $106.52 per share, expiring on May 28, 2036. These options were granted under the company’s Director Compensation Policy and vest in full on the one-year anniversary of the grant date. After this grant, she holds 2,987 stock options directly.

GLAUKOS Corp director Marc Stapley reported a grant of stock options for 2,987 shares of Common Stock. These options carry an exercise price of $106.52 per share and were granted on May 28, 2026 under the issuer's Director Compensation Policy.

The options vest in full on the one-year anniversary of the grant date and expire on May 28, 2036. This Form 4/A also corrects a prior filing that had mistakenly reported the exercise price as $53.57, confirming the correct price as $106.52.

Glaukos Corp director Aimee S. Weisner received a grant of 2,987 stock options as director compensation. The options have an exercise price of $106.52 per share, were granted on May 28, 2026, and vest in full on the one-year anniversary of the grant date. They are scheduled to expire on May 28, 2036. This amended Form 4 corrects an earlier filing that had reported the exercise price incorrectly, and reflects a routine equity award rather than an open-market stock purchase or sale.

GLAUKOS Corp director Gilbert H. Kliman received a grant of 2,987 stock options, each with an exercise price of $106.52. The options relate to common stock and were awarded under the company’s Director Compensation Policy as part of his board compensation.

This Form 4/A is an amendment to a prior filing that had mistakenly reported the exercise price as $53.57. The options were granted on May 28, 2026, vest in full on the one-year anniversary of the grant date, and expire on May 28, 2036.

GLAUKOS Corp director David F. Hoffmeister received a grant of 2,987 stock options, and the company corrected the reported exercise price. The amended Form 4 updates a prior filing that mistakenly listed the strike price as $53.57; the correct exercise price is $106.52. These options, granted under the issuer’s Director Compensation Policy, vest in full on the one-year anniversary of the May 28, 2026 grant date and are exercisable until May 28, 2036, giving him the right to buy an equal number of common shares at that price.

GLAUKOS Corp director Denice Torres reported a stock option grant and corrected prior disclosure details. She received options for 2,987 shares of common stock at an exercise price of $106.52 per share, granted under the issuer's Director Compensation Policy. The options vest in full on the one-year anniversary of the May 28, 2026 grant date and expire on May 28, 2036. This Form 4/A also amends a prior Form 4 that mistakenly reported the exercise price as $53.57, clarifying that the correct exercise price is $106.52.

Glaukos Corp’s chief development officer Tomas Navratil sold 1,537 shares of common stock in an open-market trade. The sale was executed at an average price of $130.68 per share under a Rule 10b5-1 trading plan adopted on March 12, 2026.

After this transaction, he directly holds 88,833 shares of Glaukos common stock, which includes 39,791 restricted stock units that have not yet vested or been delivered.

GLAUKOS Corp director Leana Wen reported receiving equity compensation on May 28, 2026. She was granted 1,878 restricted stock units under the company’s Director Compensation Policy; these units vest in full one year after the grant and will be settled in an equal number of common shares.

She also received a stock option for 2,987 shares of common stock at an exercise price of $53.57 per share, vesting in full one year after the grant and expiring on May 28, 2036. After these awards, Wen directly holds 21,617 shares of common stock, which the filing notes include previously granted restricted stock units that are unvested or deferred.

GLAUKOS Corp director Aimee S. Weisner received new equity compensation awards. On May 28, 2026, she was granted 1,878 restricted stock units under the company’s Director Compensation Policy. These units vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of common shares.

She was also granted 2,987 stock options with an exercise price of $53.57 per share, vesting in full one year after the grant and expiring on May 28, 2036. Following these awards, she holds 20,684 common shares directly, in addition to indirect holdings of 2,000 shares through the Weisner Saeman Family Irrevocable Trust and 29,505 shares through the Saeman-Weisner Family Trust. These are compensation-related grants rather than open-market purchases or sales.

GLAUKOS Corp director Denice Torres reported equity awards as part of standard board compensation. She received 1,878 restricted stock units that will vest in full on the one-year anniversary of the grant date and convert into the same number of common shares. She was also granted stock options for 2,987 shares of common stock with an exercise price of $53.57 per share, vesting in full after one year and expiring in 2036. Following these grants, she directly holds 24,212 shares of common stock, which include 4,609 restricted stock units that have not yet vested or been delivered.

GLAUKOS Corp director Mark J. Foley received equity compensation consisting of new restricted stock units and stock options. He was granted 1,878 restricted stock units under the company’s Director Compensation Policy, which will vest in full on the one-year anniversary of the grant date and then convert into the same number of common shares.

Foley was also granted stock options covering 2,987 shares of common stock with an exercise price of $53.57 per share, also vesting in full one year after the grant date and expiring in 2036. After these awards, he directly holds 60,267 shares of common stock, including 5,154 restricted stock units that have not yet vested or been delivered, highlighting this filing as a routine, compensation-related acquisition rather than an open-market purchase or sale.

GLAUKOS Corp director David F. Hoffmeister reported equity compensation awards. He received 1,878 restricted stock units under the company’s Director Compensation Policy, which vest in full on the one-year anniversary of the May 28 grant and are payable in the same number of common shares.

He also received stock options for 2,987 shares of common stock at an exercise price of $53.57 per share, vesting in full after one year and expiring on May 28, 2036. Following these awards, he holds 49,549 shares directly, including 4,739 unvested or deferred restricted stock units, and 38,176 shares indirectly through Sentinel Point Partners, Inc.

GLAUKOS Corp director Gilbert H. Kliman received new equity awards as part of the company’s director compensation program. He was granted 1,878 shares of common stock in the form of restricted stock units that vest in full on the one-year anniversary of the grant date and will be settled in an equal number of shares.

He also received a stock option for 2,987 shares of common stock with an exercise price of $53.57 per share, vesting in full one year after the grant and expiring on May 28, 2036. After these awards, Kliman directly holds 37,406 shares of common stock. Footnote disclosure states this total includes 4,609 restricted stock units that are either unvested or vested but with delivery deferred.

GLAUKOS Corp director Marc Stapley reported compensation-related equity grants. He received 1,878 restricted stock units under the company’s Director Compensation Policy, which vest in full on the one-year anniversary of the May 28, 2026 grant and will be settled in the same number of common shares. He was also granted stock options covering 2,987 shares of common stock at an exercise price of $53.57 per share, vesting in full one year after the grant and expiring on May 28, 2036. Following these awards, Stapley directly holds 39,327 shares of common stock, which include 4,713 restricted stock units that are unvested or deferred for later delivery.

GLAUKOS Corp director David F. Hoffmeister exercised stock options to acquire 15,000 shares of Common Stock at $24.69 per share. The exercised options were granted on June 2, 2016 and were fully vested by the first anniversary of the grant date, and now show zero remaining. After the transaction, he holds 47,671 shares of Common Stock directly, which include 2,861 restricted stock units that are unvested or deferred, and 38,176 shares indirectly through Sentinel Point Partners, Inc.

GLAUKOS Corp director Gilbert H. Kliman exercised stock options and sold shares in the company. He exercised options for 5,000 shares of common stock at $24.69 per share, then sold 5,000 shares in the open market at an average price of $140.76 per share.

After these transactions, he directly owns 35,528 shares of common stock, which includes 2,731 restricted stock units that have not yet vested or been delivered, as well as vested units with deferred delivery. The option exercised was granted on June 2, 2016 and fully vested one year later, with no remaining balance after this exercise.

GLAUKOS Corp director Gilbert H. Kliman reported an exercise-and-sell transaction in company stock. He exercised stock options to acquire 5,000 shares of Common Stock at $24.69 per share and on the same day sold 5,000 Common Stock shares in an open-market sale at $135.00 per share.

After these transactions, he directly holds 35,528 Common Stock shares, which include 2,731 restricted stock units that are unvested or deferred. The option exercised was originally granted on June 2, 2016 and had fully vested by the first anniversary of the grant date.

GLAUKOS Corp Senior Vice President and Chief Financial Officer Alex R. Thurman reported an exercise-and-sell transaction in company stock. On April 30, 2026, he exercised stock options to acquire 10,000 shares of common stock at $38.68 per share, then sold 10,000 shares in open-market transactions at $140.00 per share.

Following these transactions, he directly owns 43,681 shares of common stock, which includes 5,230 restricted stock units that have not yet vested or been delivered. Both the sales and the option exercises were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on December 15, 2025, indicating the activity was scheduled in advance.

GLAUKOS Corp executive Joseph E. Gilliam, the company’s President and COO, reported an open-market sale of 19,573 shares of common stock at a price of $143.54 per share.

After this transaction, he directly held 73,419 shares, which includes 43,925 restricted stock units that have not yet vested or been delivered.

GLAUKOS Corp director Leana Wen reported an open-market sale of 1,700 shares of common stock at $143.35 per share. After this transaction, she directly holds 19,739 shares, which the filing states includes 2,731 restricted stock units that are unvested or with deferred delivery.

Glaukos Corp’s chief development officer, Tomas Navratil, sold 2,093 shares of common stock in open‑market trades. The sales on April 10, 2026 were executed at prices ranging from about $116.72 to $120.23 per share under a pre‑arranged Rule 10b5‑1 trading plan adopted on March 12, 2026.

After these transactions, Navratil directly holds 90,370 shares of Glaukos common stock, which includes 39,791 restricted stock units that have not yet vested or been delivered. The filing notes that several trades were executed in multiple lots, with the reported prices reflecting weighted averages.

Glaukos Corp’s Chief Development Officer Tomas Navratil reported a routine tax-withholding disposition of 2,977 shares of common stock. The issuer withheld 1,146 shares and 1,831 shares at $109.60 per share to cover tax obligations upon vesting and delivery of restricted stock units granted in 2022 and 2024.

After these withholdings, Navratil directly owns 92,463 shares of common stock. His position also reflects 43,483 restricted stock units from the March 24, 2022 grant and 39,791 restricted stock units from the March 14, 2024 grant that have not yet vested or been delivered.

GLAUKOS Corp Senior Vice President and Chief Financial Officer Alex R. Thurman reported a routine tax-related share disposition. On the vesting and delivery of previously granted restricted stock units, the company withheld 1,589 shares of common stock to satisfy his tax withholding obligations.

After this non-market transaction, Thurman directly holds 43,681 shares of common stock. Footnotes also state he has 5,230 restricted stock units that have not yet vested or been delivered, indicating additional potential future equity awards.

GLAUKOS Corp president and COO Joseph E. Gilliam reported a routine tax-withholding share disposition tied to equity compensation. On the vesting and delivery of previously granted restricted stock units, 3,169 shares of common stock were withheld by the company at $109.60 per share to cover his tax obligations.

After this non-market transaction, he directly holds 92,992 shares of GLAUKOS common stock, including 43,925 restricted stock units that have not yet vested or been delivered. The filing does not reflect an open-market purchase or sale, but rather the automated tax treatment of stock-based compensation.

Glaukos Corp chairman and CEO Thomas William Burns reported non-market changes in his holdings. He transferred 180,308 shares of common stock as a bona fide gift from his direct ownership to the Burns Family Trust. Separately, a total of 9,937 shares were withheld by Glaukos at a price of $109.60 per share to satisfy his tax withholding obligations upon vesting and delivery of previously granted restricted stock units.

Following these transactions, Burns continues to hold common stock directly and indirectly through several trusts, and some of these positions include restricted stock units that have not yet vested or been delivered.

GLAUKOS Corp Chief Development Officer Tomas Navratil reported a routine tax-withholding share disposition tied to restricted stock unit vesting. On March 31, 2026, 5,798 shares of common stock were withheld by the company at $109.60 per share to cover his tax obligations when RSUs granted on March 22, 2023 vested and were delivered. Following this withholding, he directly holds 95,440 shares, which includes 45,793 restricted stock units that are granted but have not yet vested or been delivered.

Glaukos Corp Chairman and CEO Thomas William Burns reported multiple equity compensation awards tied to performance goals. He received stock options covering 18,933 shares of common stock at an exercise price of $55.18 per share and 110,254 shares at $48.46 per share, reflecting portions of earlier performance-based grants that were earned after the board determined certain operational targets were achieved on March 25, 2026. He was also granted a new option for 98,474 shares at an exercise price of $109.60 per share, which vests over four years. In addition, he acquired 9,380 and 14,184 shares of common stock from performance-based restricted stock unit awards, with specified vesting in March and December 2026. Following these awards, he holds 263,271 common shares directly and maintains significant indirect holdings through various Burns family trusts.

Glaukos Corp SVP & CFO Alex R. Thurman reported a mix of equity awards and a small share sale. He sold 2,511 shares of common stock at $106.46 per share under a pre-arranged Rule 10b5-1 trading plan adopted on December 15, 2025. He received stock options for 8,228 shares at an exercise price of $55.18 expiring in 2032 and 20,515 shares at $109.60 expiring in 2036, along with other performance-based option portions that became earned after operational targets were achieved. He also acquired 3,303 shares of common stock from a performance-based restricted stock unit award. Following these transactions, he directly owns 45,270 shares of common stock, including unvested restricted stock units, indicating the sale is small relative to his overall equity position.

GLAUKOS Corp President & COO Joseph E. Gilliam reported a series of equity awards on March 25, 2026. He received stock options covering 16,462 and 21,955 shares of common stock at an exercise price of $55.18 per share and an additional option for 36,751 shares at $48.46 per share. He also was granted 5,829 and 17,792 shares of common stock as restricted stock unit-based awards. According to the footnotes, these grants were tied to the company’s achievement of multi-year operational and performance targets, with portions vesting in March and December 2026 and others vesting 25% annually over four years. These are compensation-related grants rather than open-market trades.

GLAUKOS Corp chief development officer Tomas Navratil reported several stock awards of common shares on March 25, 2026. The Form 4 shows multiple acquisitions coded as grants, with no purchase price, tied to previously granted restricted stock unit (RSU) awards.

These shares were earned after the board’s Compensation, Nominating and Governance Committee determined that specified multi-year operational performance targets from 2022, 2023, and 2024 RSU grants had been achieved. Following the latest grant entry, Navratil directly holds 101,238 common shares, and the footnotes state he also holds additional unvested RSUs, including 57,486 units that have not yet vested or been delivered.

Glaukos Corp Chairman and CEO Thomas William Burns reported a tax-withholding share disposition related to equity compensation. On the vesting of previously granted restricted stock units, 2,744 shares of common stock were withheld by the company at $105.23 per share to cover his tax obligations. After this non-market transaction, he directly holds 239,707 common shares and also reports indirect ownership through several Burns family trusts. The filing also notes 59,399 restricted stock units that remain unvested and undelivered.

Glaukos Corp Chief Development Officer Tomas Navratil reported routine tax-related share withholdings tied to restricted stock unit vesting. On March 23, 2026, 2,628 shares of common stock were withheld at $106.84 per share, leaving 71,003 shares directly held. On March 24, 2026, an additional 2,546 shares were withheld at $105.23 per share, leaving 68,457 shares directly held. These dispositions were made to satisfy tax withholding obligations on previously granted restricted stock units rather than as open-market sales. Footnotes state his holdings include 29,840 and 24,705 restricted stock units from prior grants that have not yet vested or been delivered.

Glaukos Corp Senior Vice President and Chief Financial Officer Alex R. Thurman reported recent stock transactions. On March 24, he sold 1,521 shares of common stock in an open-market trade at an average price of $105.24 per share under a pre-arranged Rule 10b5-1 trading plan adopted on December 15, 2025. Following these transactions, he directly holds 44,478 shares of common stock, and his holdings also include restricted stock units that have not yet vested or been delivered, as described in the footnotes. Additional dispositions of 2,020 shares on March 24 and 1,230 shares on March 23 were shares withheld by the company to cover tax obligations upon vesting of restricted stock units granted in 2023 and 2022.

GLAUKOS Corp president and COO Joseph E. Gilliam reported routine share dispositions tied to tax withholding, not open-market sales. On March 23 and 24, 2026, a total of 15,118 shares of common stock were withheld by the company to cover his tax obligations upon restricted stock unit vesting. Following these transactions, he continues to hold 72,540 shares of common stock directly. Footnotes indicate his holdings also include unvested restricted stock units from prior grants.

Glaukos Corp chief development officer Tomas Navratil reported a combination of tax withholding and open-market sales of company stock. On March 16, 2026, 958 shares of common stock were withheld to cover tax obligations tied to the vesting of previously granted restricted stock units.

On the same date, he sold a total of 1,031 common shares in open-market transactions at weighted average prices of $97.33, $98.21, and $99.05 per share, under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, he directly beneficially owns 73,631 shares of Glaukos common stock, including 35,687 restricted stock units that have not yet vested or been delivered.