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

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(Print or Type Responses)

1. Name and Address of Reporting Person * Willis Austin Chandler 2. Issuer Name and Ticker or Trading Symbol WILLIS LEASE FINANCE CORP [WLFC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 4700 LYONS TECHNOLOGY PARKWAY 3. Date of Earliest Transaction (Month/Day/Year) 03/16/2026 (Street) COCONUT CREEK, FL 33073 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 03/16/2026 M 6,315(1) A (1) 187,661 D Common Stock 03/16/2026 F 785(2) D $167.18 186,876 D Common Stock 1,822 I Son(3) Common Stock 1,822 I Daughter(4) Common Stock 22,322 I Brother(5) Common Stock 3,449 I Austin C. Willis 2019 Irrevocable Trust(6) Common Stock 8,692 I CFW V 2016 Trust(7) Common Stock 232,715 I 2019 Willis Family Trust(8)(9) Common Stock 405,488 I CFW Partners(10)

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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

Performance-based Restricted Stock Award

(1)

03/16/2026

M

6,315(11)

(1)

(1)

Common Stock

6,315(11)

(1)

0 (11)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Willis Austin Chandler 4700 LYONS TECHNOLOGY PARKWAY COCONUT CREEK, FL 33073	X	X	Chief Executive Officer

Signatures

/s/ Austin C. Willis		03/18/2026
**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)	Performance-based restricted stock award ("PSA") granted in 2025 subject to performance-based and time-based vesting over two years. Performance-based vesting criteria, which included a combination of profitability of the Issuer's services businesses, growth of the Issuer's leasing portfolio and the viability of the Issuer's Sustainable Aviation Fuel initiative, were certified on March 16, 2026. Each PSA represents a contingent right to receive one share of the Issuer's common stock upon vesting.
(2)	Return to Issuer of previously restricted shares to satisfy withholding tax liability.
(3)	Rooster A. Willis 2019 Trust, Austin Willis Trustee.
(4)	Wilder Grace Willis 2019 Trust, Austin Willis Trustee.
(5)	Charles F. Willis V 2019 Trust, Austin Willis Trustee.
(6)	Austin C. Willis 2019 Irrevocable Trust, Mary Willis Trustee.
(7)	Charles F. Willis V 2016 Trust, Austin Willis Trustee.
(8)	2019 Willis Family Trust, Austin Willis Trustee.
(9)	Includes 213,415 shares having shared voting power of CFW Partners with Charles F. Willis IV.
(10)	Shared voting power of CFW Partners with Charles F. Willis IV.
(11)	Reported amount has been adjusted to reflect the actual number of PSAs earned, based on the extent to which the performance-based vesting criteria were achieved. The remaining 5,343 PSAs of the 100% target amount reported in the Form 4 filed by the Reporting Person on January 6, 2025 were forfeited.

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