Glaukos (NYSE: GKOS) corrects strike on 2,987 director options

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

4/A

Rhea-AI Filing Summary

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.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hoffmeister David F

Role null

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	2,987	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 2,987 shares (Direct, null)

Footnotes (1)

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above. Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

Key Figures

Options granted: 2,987 options Exercise price: $106.52 per share Prior reported strike: $53.57 per share +3 more

6 metrics

Options granted 2,987 options Stock Option (Right to Buy) granted May 28, 2026

Exercise price $106.52 per share Correct strike price for options granted May 28, 2026

Prior reported strike $53.57 per share Incorrect exercise price in original June 1, 2026 Form 4

Total derivative holdings 2,987 options Total stock options following transaction

Vesting schedule 1-year cliff vesting Vests in full on one-year anniversary of grant

Expiration date May 28, 2036 Option expiration for this grant

Key Terms

Stock Option (Right to Buy), exercise price, Director Compensation Policy, vests in full

4 terms

Stock Option (Right to Buy) financial

"security_title: Stock Option (Right to Buy)"

exercise price financial

"incorrectly reported the exercise price of options granted"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

Director Compensation Policy financial

"Granted pursuant to the Issuer's Director Compensation Policy."

vests in full financial

"Vests in full on the one-year anniversary of grant date."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/23/2026 - 07:23 PM Accepted by SEC EDGAR 06/23/2026 - 07:22 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hoffmeister David F

(Last)

(First)

(Middle)

C/O GLAUKOS CORPORATION

ONE GLAUKOS WAY

(Street)

ALISO VIEJO

CALIFORNIA

92656

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
GLAUKOS Corp [ GKOS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
06/01/2026

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$106.52⁽¹⁾	05/28/2026		A		2,987		05/28/2027⁽²⁾	05/28/2036	Common Stock	2,987	$0	2,987	D

Explanation of Responses:

1. This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

2. Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

	Diana Scherer, Attorney-in-Fact	06/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did GLAUKOS Corp (GKOS) report for David F. Hoffmeister?

GLAUKOS director David F. Hoffmeister was granted 2,987 stock options. Each option allows him to buy one share of common stock at an exercise price of $106.52, with the award granted under the company’s Director Compensation Policy and vesting after one year.

Why was this GLAUKOS Corp (GKOS) Form 4/A filed as an amendment?

The Form 4/A corrects an error in a previous filing about the option strike price. The earlier report showed a $53.57 exercise price, but the amended form clarifies the correct exercise price is $106.52 for the options granted on May 28, 2026.

What is the exercise price of David Hoffmeister’s GLAUKOS (GKOS) stock options?

The correct exercise price for David Hoffmeister’s 2,987 GLAUKOS stock options is $106.52 per share. The amendment specifically fixes a previously reported $53.57 figure and confirms this higher price as the accurate strike for the entire grant.

When do David Hoffmeister’s GLAUKOS (GKOS) options vest and expire?

The options vest in full on the one-year anniversary of the May 28, 2026 grant date. They remain exercisable until May 28, 2036, giving a ten-year exercise window once vested, consistent with the terms noted in the amended insider report.

How many GLAUKOS (GKOS) derivative securities does David Hoffmeister hold after this transaction?

After this grant, David Hoffmeister directly holds 2,987 stock options as reported. The filing shows total derivative securities following the transaction equal to 2,987, each representing the right to acquire one share of GLAUKOS common stock at the stated exercise price.