Sec Form 4 Filing - Maddox Mike @ CROSSFIRST BANKSHARES, INC. - 2024-11-06

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Maddox Mike 2. Issuer Name and Ticker or Trading Symbol CROSSFIRST BANKSHARES, INC. [ CFB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) PRESIDENT AND CEO (Last) (First) (Middle) 11440 TOMAHAWK CREEK PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 11/06/2024 (Street) LEAWOOD, KS66211 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 11/06/2024 M 38,570 A $ 7.5 187,403 ( 1 ) D Common Stock 11/06/2024 F 9,943 D $ 17.91 177,460 D Common Stock 11/06/2024 D 16,152 D $ 17.91 161,308 D Common Stock 7,100 ( 2 ) I By Spouse Series A Non-Cumulative Perpetual Preferred Stock 100 ( 2 ) I By Spouse

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Stock Settled Appreciation Right (Right to Buy) $ 7.5 11/06/2024 M 9,182 05/01/2019 05/01/2025 Common Stock 9,182 $ 0 29,388 D Stock Settled Appreciation Right (Right to Buy) $ 7.5 11/06/2024 M 9,796 05/01/2020 05/01/2025 Common Stock 9,796 $ 0 19,592 D Stock Settled Appreciation Right (Right to Buy) $ 7.5 11/06/2024 M 9,796 05/01/2021 05/01/2025 Common Stock 9,796 $ 0 9,796 D Stock Settled Appreciation Right (Right to Buy) $ 7.5 11/06/2024 M 9,796 05/01/2022 05/01/2025 Common Stock 9,796 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Maddox Mike 11440 TOMAHAWK CREEK PARKWAY LEAWOOD, KS66211 X PRESIDENT AND CEO Signatures /s/Amy Abrams, by Power of Attorney 11/08/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Since the filing of the last Form 4, 4,926 shares were transferred to reporting person's ex spouse pursuant to a domestic relations order. The reporting person no longer reports as beneficially owned any securities owned by his ex spouse. ( 2 )The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

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.