[Form 4] WILLIS LEASE FINANCE CORP Insider Trading Activity

Rhea-AI Filing Summary

Willis Lease Finance Corp Executive Chairman Charles F. Willis IV reported open-market sales of 15,997 shares of common stock. The sales occurred over several trades between $168.02 and $177.57 per share. After these transactions, he holds 933,234 shares directly and additional indirect holdings through family and related entities. Several trades were executed in multiple lots, with prices reported as weighted averages.

Insider Trade Summary

Net Seller: 15,997 shares ($2,743,090)

Net Sell 13 txns

Insider WILLIS CHARLES F IV

Role Executive Chairman

Sold 15,997 shs ($2.74M)

Type	Security	Shares	Price	Value
Sale	Common Stock	478	$168.023	$80K
Sale	Common Stock	1,531	$168.9933	$259K
Sale	Common Stock	5,652	$170.2617	$962K
Sale	Common Stock	2,066	$170.9033	$353K
Sale	Common Stock	3,170	$171.3549	$543K
Sale	Common Stock	200	$172.316	$34K
Sale	Common Stock	100	$173.50	$17K
Sale	Common Stock	800	$175.18	$140K
Sale	Common Stock	1,000	$175.922	$176K
Sale	Common Stock	1,000	$177.567	$178K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 942,483 shares (Direct); Common Stock — 13,798 shares (Indirect, Spouse)

Footnotes (1)

1. This transaction was executed in multiple trades at prices ranging from $175.84 to $176.165, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (1) of this Form 4. This transaction was executed in multiple trades at prices ranging from $177.45 to $177.77, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (2) of this Form 4. This transaction was executed in multiple trades at prices ranging from $170.86 to $171.85, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (3) of this Form 4. This transaction was executed in multiple trades at prices ranging from $172.30 to $172.42, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (4) of this Form 4. This transaction was executed in multiple trades at prices ranging from $167.57 to $168.47, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (5) of this Form 4. This transaction was executed in multiple trades at prices ranging from $168.60 to $169.59, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (6) of this Form 4. This transaction was executed in multiple trades at prices ranging from $169.64 to $170.63, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (7) of this Form 4. This transaction was executed in multiple trades at prices ranging from $170.645 to $171.50, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (8) of this Form 4. Charlotte Montressor Willis. Wilder Grace Willis 2016 Trust.

Form 4 Insider Transactions: What Each Field Means →

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^*

WILLIS CHARLES F IV

(Last) (First) (Middle)

4700 LYONS TECHNOLOGY

(Street)

COCONUT CREEK FLORIDA 33073

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Executive Chairman

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/25/2026

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)

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	03/25/2026		S		1,000	D	$175.922(1)	948,231	D
Common Stock	03/25/2026		S		1,000	D	$177.567(2)	947,231	D
Common Stock	03/26/2026		S		3,170	D	$171.3549(3)	944,061	D
Common Stock	03/26/2026		S		200	D	$172.316(4)	943,861	D
Common Stock	03/26/2026		S		100	D	$173.5	943,761	D
Common Stock	03/26/2026		S		800	D	$175.18	942,961	D
Common Stock	03/27/2026		S		478	D	$168.023(5)	942,483	D
Common Stock	03/27/2026		S		1,531	D	$168.9933(6)	940,952	D
Common Stock	03/27/2026		S		5,652	D	$170.2617(7)	935,300	D
Common Stock	03/27/2026		S		2,066	D	$170.9033(8)	933,234	D
Common Stock								13,798	I	Spouse(9)
Common Stock								2,134,148	I	CFW Partners
Common Stock								584	I	Granddaughter(10)

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

Explanation of Responses:

1. This transaction was executed in multiple trades at prices ranging from $175.84 to $176.165, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (1) of this Form 4.

2. This transaction was executed in multiple trades at prices ranging from $177.45 to $177.77, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (2) of this Form 4.

3. This transaction was executed in multiple trades at prices ranging from $170.86 to $171.85, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (3) of this Form 4.

4. This transaction was executed in multiple trades at prices ranging from $172.30 to $172.42, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (4) of this Form 4.

5. This transaction was executed in multiple trades at prices ranging from $167.57 to $168.47, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (5) of this Form 4.

6. This transaction was executed in multiple trades at prices ranging from $168.60 to $169.59, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (6) of this Form 4.

7. This transaction was executed in multiple trades at prices ranging from $169.64 to $170.63, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (7) of this Form 4.

8. This transaction was executed in multiple trades at prices ranging from $170.645 to $171.50, inclusive. The price reported reflects the weighted average sale 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 sold at each separate price within the range set forth in footnote (8) of this Form 4.

9. Charlotte Montressor Willis.

10. Wilder Grace Willis 2016 Trust.

	/s/ Charles F. Willis IV	03/27/2026
	** 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)