Glaukos president sells 60,000 shares after exercising options
GLAUKOS Corp president and COO Joseph E. Gilliam reported multiple option exercises and related stock sales for GKOS on 2026-08-11.
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Form Type
4
Rhea-AI Filing Summary
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.
Insider Trade Summary
Exercise and Sale: 60,000 shares ($7.61M approx. pre-tax spread)
Exercise and Sale
10 txns
Insider
Gilliam Joseph E
Role
PRESIDENT & COO
Sold
60,000 shs ($10.78M)
Approx. gross sale proceeds
$10.78M
Approx. exercise cost
$3.18M
Approx. pre-tax spread
$7.61M
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) F4 | 20,000 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) F5, F6 | 20,000 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) F7 | 10,000 | $0.00 | $0.00 |
| Exercise | Stock Option (Right to Buy) F8 | 10,000 | $0.00 | $0.00 |
| Exercise | Common Stock F1 | 10,000 | $48.46 | $485K |
| Exercise | Common Stock F1 | 20,000 | $55.18 | $1.10M |
| Exercise | Common Stock F1 | 20,000 | $55.18 | $1.10M |
| Exercise | Common Stock F1 | 10,000 | $48.46 | $485K |
| Sale | Common Stock F2, F1 | 27,963 | $178.89 | $5.00M |
| Sale | Common Stock F3, F1 | 32,037 | $180.49 | $5.78M |
Holdings After Transaction:
Stock Option (Right to Buy) — 138,095 contracts (Direct);
Common Stock — 72,588 shares (Direct)
Footnotes (8)
- F1. Includes 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.
- F2. This transaction was executed in multiple trades at prices ranging from $178.60 to $179.58). The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F3. This transaction was executed in multiple trades at prices ranging from $179.68 to $180.60). The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F4. Represents a portion of an option to purchase shares of common stock previously granted by the Issuer on March 24, 2022, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period.
- F5. Represents a portion of an option to purchase shares of common stock previously granted by the Issuer to the Reporting Person on March 24, 2022 in connection with his promotion to President and Chief Operating Officer, the vesting of which was subject to the Issuer's achievement of certain multi-year performance goals.
- F6. Total amount reported has been adjusted to correct a typographical error made in a Form 4 report filed by the Reporting Person on March 17, 2025, in which 13,721 stock options earned were erroneously reported as 13,271 stock options.
- F7. These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.
- F8. Represents a portion of an option to purchase shares of common stock previously granted by the Issuer on March 22, 2023, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period.
Key Figures
Options exercised: 60,000 shares
Common shares sold: 60,000 shares
Sale price (first block): $178.89 per share
+3 more
6 metrics
Options exercised
60,000 shares
Total options exercised on 2026-08-11
Common shares sold
60,000 shares
Common Stock sold on 2026-08-11
Sale price (first block)
$178.89 per share
Weighted average price for 27,963-share sale
Sale price (second block)
$180.49 per share
Weighted average price for 32,037-share sale
Unvested RSUs
41,983 units
Restricted stock units not yet vested or delivered
ESPP stock units
225 units
Units purchased through Employee Stock Purchase Plan
Key Terms
restricted stock units, Employee Stock Purchase Plan, weighted average price, multi-year performance period, +1 more
5 terms
restricted stock units financial
"Includes 41,983 restricted stock units that have not yet vested"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Employee Stock Purchase Plan financial
"225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan"
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
weighted average price financial
"The price reported above reflects the weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
multi-year performance period financial
"targets over a multi-year performance period"
performance goals financial
"achievement of certain multi-year performance goals"
Performance goals are specific, measurable targets a company sets for financial results, operational milestones, or individual roles—examples include revenue, profit, production levels, or completion of a project. They matter to investors because meeting or missing these targets influences management pay, future forecasts, deal-related payments and market confidence; think of them as a scoreboard that helps outsiders judge whether the business is performing as promised.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transactions did GLAUKOS Corp (GKOS) report for Joseph E. Gilliam?
Joseph E. Gilliam exercised 60,000 stock options and acquired an equal number of Common Stock shares, then sold 60,000 shares in open-market transactions on 2026-08-11 at weighted average prices of $178.89 and $180.49 per share.
What stock options did Joseph E. Gilliam exercise in this GKOS Form 4?
He exercised options for a total of 60,000 shares of GLAUKOS Common Stock, with option exercise prices of $55.18 and $48.46 per share, originally granted in 2022 and 2023 subject to multi-year performance‑based vesting conditions.
Does the GLAUKOS (GKOS) Form 4 show any remaining unvested equity for Joseph E. Gilliam?
Yes. The filing notes that his holdings include 41,983 restricted stock units that have not yet vested or been delivered and 225 stock units purchased through GLAUKOS Corp’s Employee Stock Purchase Plan, separate from the shares exercised and sold.
Were Joseph E. Gilliam’s GKOS stock sales under a Rule 10b5-1 trading plan?
The document-level Rule 10b5-1 checkbox is not marked as affirming plan use, and the footnotes do not state that the reported 60,000-share sale was executed pursuant to a Rule 10b5-1 or other pre-arranged trading plan.
What performance conditions were tied to Gilliam’s GKOS option grants?
Footnotes explain that portions of the exercised options were granted in March 2022 and March 2023, with vesting conditioned on GLAUKOS Corp achieving pre-determined multi-year operational and performance targets over specified performance periods, plus time-based vesting for some grants.
AI-generated analysis. How Rhea-AI works. Not financial advice.
