Sumisho Air Lease 首席商务官兼董事 David Swan 辞职

SUMISHO AIR LEASE CORPORATION

Date: October 27, 2026

/s/ Sabrina Lemmens

Sabrina Lemmens

Chief Financial Officer

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

October 27, 2026

Date of Report

(Date of earliest event reported)

SUMISHO AIR LEASE CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

001-35121

27-1840403

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)


2000 Avenue of the Stars, Suite 1000N
Los Angeles, California		90067
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (310) 553-0555

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act: None

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On October 27, 2026, David Swan notified the board of directors of Sumisho Air Lease Corporation (the “Company”) of his intention to resign from his positions as Chief Commercial Officer and director of the Company, effective immediately. Mr. Swan has indicated to the Company that his decision is not the result of any disagreement with the Company or management regarding operations, policies or practices.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.