Every Form 4 that Glaukos Corporation (GKOS) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow GKOS and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full GKOS filings page.
GLAUKOS Corp senior vice president and chief financial officer Alex R. Thurman reported two recent stock transactions. On March 17, 2026, he executed an open‑market sale of 625 shares of common stock at $99.15 per share. On March 16, 2026, 614 shares were disposed of to cover tax withholding obligations tied to vesting of restricted stock units granted on March 14, 2024, which is a non‑market event. After these transactions, he directly held 49,249 shares of common stock, including 12,512 restricted stock units that have not yet vested or been delivered and 167 stock units acquired through the employee stock purchase plan. The sale was carried out under a pre‑arranged Rule 10b5‑1 trading plan adopted on December 15, 2025, indicating it was scheduled in advance.
GLAUKOS Corp’s President & COO Joseph E. Gilliam reported a routine tax-related share disposition. On the vesting of previously granted restricted stock units, 1,189 shares of common stock were withheld by the company to cover his tax obligations.
After this withholding, Gilliam directly holds 87,658 shares of GLAUKOS common stock, which the disclosure states includes 53,986 restricted stock units that are granted but not yet vested or delivered. This event reflects compensation and tax mechanics rather than an open‑market stock sale.
GLAUKOS Corp chairman and CEO Thomas William Burns reported a routine tax-related share disposition. On March 16, 2,801 shares of common stock were withheld by the company at $98.94 per share to satisfy tax obligations tied to previously granted restricted stock units.
After this withholding, Burns directly holds 242,451 common shares and also has indirect holdings through several family-related trusts. The disclosure notes 64,610 restricted stock units that have not yet vested or been delivered, indicating additional potential future share delivery subject to vesting conditions.
GLAUKOS Corp President & COO Joseph E. Gilliam reported a routine tax-related share disposition. On March 13, 2026, 2,462 shares of common stock at $97.02 per share were withheld by the company to satisfy his tax withholding obligations upon vesting of previously granted restricted stock units.
After this withholding, Gilliam directly holds 88,847 common shares. A footnote also states that his holdings include 56,132 restricted stock units that have not yet vested or been delivered, highlighting a substantial ongoing equity-based compensation position. This event reflects tax settlement mechanics rather than an open-market sale.
Glaukos Corp chief development officer Tomas Navratil reported a tax-related share disposition. On March 13, 2026, 1,074 shares of common stock were withheld at $97.02 per share to satisfy tax withholding obligations tied to vesting restricted stock units.
After this tax-withholding disposition, Navratil directly holds 75,620 shares of common stock, which includes 38,456 restricted stock units that have not yet vested or been delivered.
Glaukos Corp Chairman and CEO Thomas William Burns reported a routine tax-withholding transaction related to equity compensation. On March 13, 2026, 5,212 shares of common stock were withheld by the company at $97.02 per share to satisfy his tax obligations upon vesting and delivery of previously granted restricted stock units.
After this withholding, Burns directly owns 245,252 common shares. He also has indirect ownership through several trusts, including 961,285 shares held through the Burns Family Trust, 238,107 shares through the Burns Annuity Trust, 120,000 shares through the Burns Charitable Remainder Trust, 100,000 shares through the Thomas W. Burns Irrevocable Trust, and 100,000 shares through the Janet M. Burns Irrevocable Trust. Footnotes state that his position also includes 69,929 restricted stock units that have not yet vested or been delivered.
Glaukos Corp's Chief Development Officer Tomas Navratil reported a small share disposal related to tax withholding. On March 5, 2026, 361 shares of common stock at $112.10 per share were withheld by the company to satisfy his tax obligations upon vesting of previously granted restricted stock units.
After this tax-withholding disposition, Navratil directly holds 76,694 shares of common stock, which includes 41,561 restricted stock units that have not yet vested or been delivered to him.
Glaukos Corp (GKOS) Chairman & CEO Thomas William Burns reported a tax-related share disposition on March 5, 2026. The company withheld 1,098 shares of common stock at $112.10 per share to cover his tax obligations when previously granted restricted stock units vested.
After this withholding, he directly owns 250,464 common shares, which includes 79,828 restricted stock units that have not yet vested or been delivered. He also reports indirect ownership through several Burns family and charitable trusts, including the Burns Family Trust, Burns Annuity Trust, Burns Charitable Remainder Trust, and two irrevocable trusts, each with disclosed share balances as of the same date.
Glaukos Corp chairman and CEO Thomas William Burns reported a tax-withholding share disposition related to restricted stock units. On February 24, 2026, 4,059 shares of common stock were withheld by Glaukos at $119.17 per share to satisfy his tax obligations upon RSU vesting.
After this transaction, Burns directly owns 251,562 shares of Glaukos common stock, which the footnotes state include 81,912 unvested restricted stock units. He also reports additional indirect ownership through multiple Burns family-related trusts, each holding separate blocks of Glaukos shares.
Glaukos Corp’s chief development officer, Tomas Navratil, reported a small tax-related share disposition. On the vesting of previously granted restricted stock units, 396 shares of common stock were withheld by the company at $119.17 per share to cover tax obligations. After this withholding, Navratil directly holds 77,055 shares of common stock, including 42,588 restricted stock units that are granted but not yet vested or delivered.
GLAUKOS Corp President and COO Joseph E. Gilliam reported a Form 4 showing a tax-related share disposition tied to vesting equity awards. On this Form 4, 1,057 shares of common stock were withheld by the company at $119.17 per share to satisfy his tax withholding obligations when restricted stock units granted on March 18, 2021 vested and were delivered.
After this tax-withholding disposition, Gilliam directly owned 91,309 shares of GLAUKOS common stock, which includes 60,661 restricted stock units that have not yet vested or been delivered. This reflects an administrative equity and tax event rather than an open-market stock sale.
GLAUKOS Corp director Aimee S. Weisner reported multiple equity transactions in company stock. She exercised a stock option for 15,000 shares of common stock at an exercise price of $24.69 per share, then reported open-market sales totaling 15,000 shares at weighted average prices between $115.69 and $118.56 across several trade blocks. She also reported bona fide gifts of 980 shares from her direct holdings and 980 shares transferred to the Saeman-Weisner Family Trust. After these transactions, she directly owned 18,806 shares and indirectly owned 29,505 shares through the Saeman-Weisner Family Trust, which includes 2,731 restricted stock units noted in the footnotes.
Glaukos chairman and CEO Thomas W. Burns reported an option exercise and related share movements. On February 9, 2026, he exercised 166,000 stock options with a $30.92 exercise price, receiving 166,000 shares of common stock and bringing his directly held common stock to 255,621 shares, including 89,621 restricted stock units that have not yet vested or been delivered.
On February 6, 2026, 67,353 shares were transferred from his direct ownership to the Burns Family Trust, which is reported as indirectly holding 961,285 common shares. Additional indirect holdings are reported through several Burns-related trusts, including 238,107 shares via the Burns Annuity Trust and other irrevocable and charitable remainder trusts.
Glaukos Corporation director Marc Stapley reported exercising stock options for 15,000 shares of common stock at an exercise price of $24.69 per share on January 22, 2026. On the same day, he sold an aggregate of 15,000 shares of common stock in multiple open-market transactions at weighted average prices ranging from about $126.07 to $129.78 per share under a pre-established Rule 10b5-1 trading plan adopted on June 4, 2025. After these transactions, Stapley held 37,449 shares of Glaukos common stock directly, which the footnote states includes 2,835 restricted stock units that have not yet vested or been delivered, as well as vested units for which delivery has been deferred.
Glaukos Corporation’s President and COO, Joseph E. Gilliam, reported option exercises and related share sales. On January 22, 2026, he exercised stock options for 10,498 shares of common stock at an exercise price of $55.18 per share, from options originally granted on March 24, 2022 that were tied to multi-year performance goals and operational targets.
On the same date, he sold blocks of Glaukos common stock totaling 2,406, 3,100, 1,798 and 3,194 shares at weighted average prices of $126.10, $127.03, $128.07 and $129.28, respectively. These transactions, as well as the option exercises, were carried out under a Rule 10b5-1 trading plan adopted on June 11, 2025. After these transactions, Gilliam beneficially owned 92,366 shares of common stock, which includes 62,605 restricted stock units that have not yet vested or been delivered.
Glaukos Corporation’s president and COO, Joseph E. Gilliam, reported option exercises and a share sale. On January 21, 2026, he exercised stock options for 2,602 and 1,900 shares of common stock at an exercise price of $55.18 per share. This resulted in the acquisition of 4,502 common shares, which were then sold the same day at a weighted average price of $124.65 per share, in trades ranging from $124.47 to $124.75, under a pre-arranged Rule 10b5-1 trading plan adopted on June 11, 2025. After these transactions, he directly holds 92,366 shares of common stock, including 62,605 restricted stock units that have not yet vested or been delivered.
Glaukos Corporation’s Chairman and CEO Thomas William Burns reported planned option exercises and share sales under a Rule 10b5-1 trading plan. On January 8 and 16, 2026, he exercised stock options with a strike price of $16.49 to acquire 88,055 and 186,945 shares of common stock, respectively, then sold the same numbers of shares at a price of $115 per share. Following these transactions, he reported 153,775 shares of common stock beneficially owned directly, which the filing notes includes 89,621 restricted stock units that have not yet vested or been delivered. He also reported additional indirect holdings in several Burns family-related trusts.
Glaukos Corporation director David F. Hoffmeister reported receiving a grant of 753 restricted stock units of Glaukos common stock on January 2, 2026. The filing states this equity award was made under the company’s Director Compensation Policy, will vest in full on the one-year anniversary of the grant date, and will be settled in an equivalent number of Glaukos common shares.
After this grant, Hoffmeister is shown as beneficially owning 32,671 shares of common stock directly, which the footnotes explain include 2,861 restricted stock units that have not yet vested or been delivered, along with vested units whose delivery has been deferred. He is also reported as indirectly beneficially owning 38,176 shares of Glaukos common stock through Sentinel Point Partners, Inc.
Glaukos Corporation director Leana Wen received a grant of 623 restricted stock units on January 2, 2026 under the company’s director compensation policy. These restricted stock units will vest in full on the one-year anniversary of the grant date and will be settled in an equivalent number of Glaukos common shares.
After this grant, Wen beneficially owns 21,439 shares of common stock, which includes 2,731 restricted stock units that have not yet vested or been delivered, as well as restricted stock units that have vested but whose delivery has been deferred.
Glaukos Corporation director Aimee S. Weisner reported receiving a grant of 623 shares of common stock on January 2, 2026. According to the disclosure, this represents a grant of restricted stock units under Glaukos’ Director Compensation Policy, which will vest in full on the one-year anniversary of the grant date and be settled in an equal number of common shares.
After this grant, Weisner beneficially owns 19,786 shares of common stock directly, which includes 2,731 restricted stock units that have not yet vested or been delivered, as well as vested units for which delivery has been deferred. She also reports indirect holdings of 28,525 shares through the Saeman-Weisner Family Trust and 2,000 shares through the Weisner Saeman Family Irrevocable Trust.
Glaukos Corporation director Denice Torres reported receiving a new equity grant. On January 2, 2026, she was awarded 623 shares of Glaukos common stock at a price of $0 per share, reflecting a grant of restricted stock units under the company’s Director Compensation Policy. These units will vest in full on the one-year anniversary of the grant date and will be settled in the same number of common shares.
After this grant, Torres beneficially owns 22,334 shares of Glaukos common stock, including 2,731 restricted stock units that have not yet vested or been delivered. The filing classifies her holdings as directly owned and confirms her role as a director, with no indication that she is a 10% owner or an officer of the company.
Glaukos Corp director Gilbert H. Kliman reported an equity grant of 623 restricted stock units on January 2, 2026. The award was made under the company’s Director Compensation Policy at a grant price of $0 per share. These units will vest in full on the one-year anniversary of the grant date and will be settled in the same number of Glaukos common shares. Following this grant, Kliman beneficially 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 for which delivery has been deferred.
Glaukos Corporation director Mark J. Foley reported an equity award in the form of restricted stock units. On 01/02/2026, he received 1,168 restricted stock units of Glaukos common stock at a stated price of $0 per share under the company’s Director Compensation Policy. These units will vest in full on the one-year anniversary of the grant date and are then payable in an equivalent number of Glaukos common shares.
Following this grant, Foley beneficially owns 58,389 shares of common stock, which the disclosure notes includes 3,276 restricted stock units that have not yet vested or been delivered.
Glaukos Corporation granted director Marc Stapley 727 restricted stock units on 01/02/2026. These units were issued under the company’s Director Compensation Policy, will vest in full one year after the grant date, and will be settled in the same number of Glaukos common shares.
Following this award, Stapley beneficially owns 37,449 shares of Glaukos common stock, which includes 2,835 restricted stock units that have not yet vested or been delivered, as well as vested units whose delivery has been deferred.
Glaukos Corporation's Chief Development Officer reported a routine share withholding related to equity compensation. On 12/30/2025, 510 shares of common stock were withheld by the company at $114.24 per share to cover tax obligations when previously granted restricted stock units vested. After this transaction, the officer beneficially owned 77,451 shares of common stock. This total includes 43,562 restricted stock units that have been granted but have not yet vested or been delivered, meaning they may convert into shares over time if service or other conditions are met.
Glaukos Corporation’s Chairman, CEO and director reported an insider stock transaction dated 12/30/2025. The filing shows that 1,098 shares of common stock were withheld by the company to satisfy the reporting person’s tax withholding obligations when restricted stock units granted on March 24, 2022 vested and were delivered.
After this tax-withholding transaction, the insider beneficially owned 153,775 shares of Glaukos common stock. This total includes 89,621 restricted stock units that have been granted but have not yet vested or been delivered.
Glaukos Corporation’s chairman and CEO reported earning 4,168 shares of common stock tied to a performance-based restricted stock unit award granted on March 24, 2022. The board’s Compensation, Nominating and Governance Committee determined certain operational targets were achieved, so this portion of the award was earned at a reported price of $0 per share.
Half of these 4,168 shares are scheduled to vest and be delivered in March 2026 and the other half in December 2026. Following this transaction, 154,873 shares are beneficially owned directly, including 91,705 restricted stock units that have not yet vested or been delivered, and additional indirect holdings are reported through several Burns family and charitable trusts. The CEO also acquired 8,416 stock options at an exercise price of $55.18 per share from the same 2022 performance award, which will vest 50% in March 2026 and 50% in December 2026 and are part of 86,262 stock options held directly, expiring on March 24, 2032.
Glaukos Corp reported that its President and COO acquired 7,316 stock options on 12/11/2025 under a previously granted award tied to pre-determined operational targets. These options have an exercise price of $55.18 and were earned after the Compensation, Nominating & Governance Committee determined that certain operational targets over a multi-year performance period had been achieved.
The options represent a portion of an award originally granted on March 24, 2022, and will vest in two equal installments, with 50% becoming exercisable in March 2026 and the remaining 50% in December 2026. Following this transaction, the executive beneficially owned 65,013 derivative securities, held directly.
Glaukos Corporation disclosed that its senior vice president and chief financial officer earned 3,660 stock options tied to performance goals. These options, with an exercise price of $55.18 per share, are part of an award originally granted in March 2022 and became earned after the company met specified operational targets.
Half of this earned portion will vest and become exercisable in March 2026, with the remaining half vesting in December 2026. After this update and a de minimis correction of a prior mathematical error, the officer directly holds 37,510 stock options in total.
Glaukos Corporation’s Chief Development Officer reported an equity award update. On December 11, 2025, the officer was credited with 2,054 shares of common stock at a price of $0, tied to a previously granted restricted stock unit (RSU) award from March 24, 2022 that depended on meeting pre-set operational targets over a multi-year period.
The board’s Compensation, Nominating and Governance Committee determined that certain of these targets had been achieved, and this share amount represents the portion of the award earned based on that performance. Half of these shares will vest and be delivered in March 2026, with the remaining half vesting and delivering in December 2026. After this update, the officer beneficially owns 77,961 shares, including 44,589 RSUs that are still unvested.
Glaukos Corp (GKOS) director transaction: On 12/09/2025, a director exercised a stock option to acquire 5,000 shares of common stock at an exercise price of $24.69 per share, then sold 5,000 shares of common stock on the same date at a weighted average price of $107.27 per share across multiple trades.
After these transactions, the director beneficially owns 34,905 shares of Glaukos common stock, which includes 2,569 restricted stock units that have not yet vested or been delivered, as well as vested units with deferred delivery. The director also continues to hold 10,000 stock options with an exercise price of $24.69, originally granted in 2016 and already fully vested.
GLAUKOS Corp (GKOS) senior executive stock sale disclosed. The company’s Senior Vice President and Chief Financial Officer reported selling 315 shares of common stock on 11/25/2025 at a price of $105 per share. After this transaction, the executive beneficially owns 50,488 shares of GLAUKOS common stock.
The filing notes that these sales were carried out under a Rule 10b5-1 trading plan adopted on June 11, 2025, which is a pre-arranged plan designed to allow insiders to sell stock over time according to set instructions. The reported holdings include 13,751 restricted stock units that have not yet vested or been delivered and 167 stock units acquired through the company’s employee stock purchase plan.
Glaukos Corp (GKOS) reported an insider stock sale by its President & COO. On 11/18/2025, the executive sold 19,340 shares of Glaukos common stock at a price of $90 per share. After this transaction, the reporting person beneficially owns 92,366 shares, which includes 62,605 restricted stock units that have not yet vested or been delivered. The filing notes that the report is made by a single reporting person and is signed by an attorney-in-fact on the insider’s behalf.