STOCK TITAN

Glaukos (GKOS) director exercises 15K options and sells 15K shares

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider WEISNER AIMEE S
Role Director
Sold 15,000 shs ($1.76M)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 15,000 $0.00 --
Gift Common Stock 980 $0.00 --
Gift Common Stock 980 $0.00 --
Exercise Common Stock 15,000 $24.69 $370K
Sale Common Stock 2,153 $115.69 $249K
Sale Common Stock 5,242 $116.64 $611K
Sale Common Stock 1,134 $117.33 $133K
Sale Common Stock 6,471 $118.56 $767K
Holdings After Transaction: Stock Option (Right to Buy) — 0 shares (Direct); Common Stock — 18,806 shares (Direct); Common Stock — 29,505 shares (Indirect, Through the Saeman-Weisner Family Trust)
Footnotes (1)
  1. The transaction reflects shares transferred from the Reporting Person's direct ownership to the Saeman Weisner Family Trust. Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person. This transaction was executed in multiple trades at prices ranging from $115.01 to $116.01. 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. This transaction was executed in multiple trades at prices ranging from $116.10 to $117.10. 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. This transaction was executed in multiple trades at prices ranging from $117.12 to $118.06. 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. This transaction was executed in multiple trades at prices ranging from $118.18 to $118.74. 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. This option was granted on June 2, 2016 and fully vested on the first anniversary of the grant date.
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*
WEISNER AIMEE S

(Last) (First) (Middle)
C/O GLAUKOS CORPORATION
ONE GLAUKOS WAY

(Street)
ALISO VIEJO CA 92656

(City) (State) (Zip)
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)
3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common Stock 02/19/2026 G 980(1) D $0 18,806(2) D
Common Stock 02/19/2026 G 980(1) A $0 29,505 I Through the Saeman-Weisner Family Trust
Common Stock 02/19/2026 M 15,000 A $24.69 33,806(2) D
Common Stock 02/19/2026 S 2,153 D $115.69(3) 31,653(2) D
Common Stock 02/19/2026 S 5,242 D $116.64(4) 26,411(2) D
Common Stock 02/19/2026 S 1,134 D $117.33(5) 25,277(2) D
Common Stock 02/19/2026 S 6,471 D $118.56(6) 18,806(2) D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $24.69 02/19/2026 M 15,000 (7) 06/02/2026 Common Stock 15,000 $0 0 D
Explanation of Responses:
1. The transaction reflects shares transferred from the Reporting Person's direct ownership to the Saeman Weisner Family Trust.
2. Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.
3. This transaction was executed in multiple trades at prices ranging from $115.01 to $116.01. 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.
4. This transaction was executed in multiple trades at prices ranging from $116.10 to $117.10. 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.
5. This transaction was executed in multiple trades at prices ranging from $117.12 to $118.06. 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.
6. This transaction was executed in multiple trades at prices ranging from $118.18 to $118.74. 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.
7. This option was granted on June 2, 2016 and fully vested on the first anniversary of the grant date.
Diana Scherer, Attorney-in-Fact 02/23/2026
** 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.

FAQ

What insider transactions did GKOS director Aimee S. Weisner report?

Aimee S. Weisner reported exercising options for 15,000 Glaukos shares and selling 15,000 shares in multiple open-market trades. She also reported bona fide gifts totaling 1,960 shares, including a transfer involving the Saeman-Weisner Family Trust and changes in direct and indirect ownership.

How many GKOS shares did Aimee S. Weisner sell in the reported period?

She reported open-market sales totaling 15,000 shares of Glaukos common stock. These sales were executed in several trade blocks at weighted average prices of $115.69, $116.64, $117.33, and $118.56, with detailed price ranges described in the accompanying footnotes.

What stock option exercise did the GKOS director disclose?

She disclosed exercising a stock option covering 15,000 Glaukos shares at an exercise price of $24.69 per share. The option was originally granted on June 2, 2016 and, according to the footnotes, fully vested on the first anniversary of the grant date before this exercise.

What gifts or transfers of GKOS shares were reported in this Form 4?

She reported bona fide gifts of 980 shares from her direct holdings and 980 shares transferred in connection with the Saeman-Weisner Family Trust. A footnote explains that one transaction reflects shares moved from her direct ownership to the Saeman-Weisner Family Trust for estate or family planning purposes.

What are Aimee S. Weisner’s GKOS share holdings after these transactions?

After the reported transactions, she directly owned 18,806 shares of Glaukos common stock and indirectly owned 29,505 shares through the Saeman-Weisner Family Trust. The indirect holdings figure includes 2,731 restricted stock units that have not yet been delivered, as described in a footnote.

How do the footnotes clarify the GKOS director’s reported trades?

The footnotes explain that one gift transaction reflects a transfer from direct ownership to the Saeman-Weisner Family Trust and detail the vesting history of the option. They also specify that several sale trades were executed in multiple lots within stated price ranges, with weighted average prices disclosed.