Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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

(Print or Type Responses)

1. Name and Address of Reporting Person * Isaacson Christopher A 2. Issuer Name and Ticker or Trading Symbol Cboe Global Markets, Inc. [CBOE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, COO (Last) (First) (Middle) C/O CBOE GLOBAL MARKETS, INC., 433 WEST VAN BUREN STREET 3. Date of Earliest Transaction (Month/Day/Year) 02/12/2026 (Street) CHICAGO, IL 60607 4. If Amendment, Date 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 (City) (State) (Zip) 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 02/12/2026 A(1) 7,462 A $ 0 45,042 D Common Stock 02/12/2026 F(2) 2,776 D $270.60 42,266 D Common Stock 02/12/2026 A(1) 7,462 A $ 0 49,728 D Common Stock 02/12/2026 F(2) 3,310 D $270.60 46,418 D Common Stock 02/12/2026 A(3) 294 A $ 0 46,712 D Common Stock 02/12/2026 F(4) 131 D $270.60 46,581 D Common Stock 02/12/2026 A(3) 294 A $ 0 46,875 D Common Stock 02/12/2026 F(4) 131 D $270.60 46,744 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	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 control number.		SEC 1474 (9-02)

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 Underlying Securities (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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Isaacson Christopher A C/O CBOE GLOBAL MARKETS, INC. 433 WEST VAN BUREN STREET CHICAGO, IL 60607			EVP, COO

Signatures

/s/ Patrick Sexton, Attorney-in-Fact		02/17/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Represents shares of the Issuer's common stock issued to the Reporting Person pursuant to the vesting of restricted stock unit awards - performance based ("PSU") that were awarded to the Reporting Person on February 19, 2023. The issuance was based on the level of achievement by the Issuer of certain pre-established performance metrics for the performance period January 1, 2023 to December 31, 2025 as determined by the Compensation and Human Capital Committee on February 12, 2026.
(2)	Represents shares of the Issuer's common stock withheld to satisfy the Issuer's tax withholding obligation upon the vesting of PSUs that were awarded on February 19, 2023 and the issuance of the underlying shares of the Issuer's common stock.
(3)	Settlement of dividend equivalent rights in connection with the vesting of underlying PSUs that were awarded to the Reporting Person on February 19, 2023. The rights accrued when and as dividends were paid on the Issuer's common stock. Each dividend equivalent right was the economic equivalent of one share of the Issuer's common stock.
(4)	Represents shares of the Issuer's common stock withheld to satisfy the Issuer's tax withholding obligation upon the settlement of dividend equivalent rights in connection with the vesting of underlying PSUs and the issuance of the underlying shares of the Issuer's common stock.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.