# EDGAR Filing Document

**Accession Number:** 0001362988
**File Stem:** 0001628280-26-022771
**Filing Date:** 2026-4
**Character Count:** 6053
**Document Hash:** c8d29d53c7dd17d171942e696e4414e2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-022771.hdr.sgml**: 20260401

**ACCESSION NUMBER**: 0001628280-26-022771

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260401

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260401

**DATE AS OF CHANGE**: 20260401

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Aircastle LTD
- **CENTRAL INDEX KEY:** 0001362988
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-EQUIPMENT RENTAL & LEASING, NEC [7359]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 980444035
- **STATE OF INCORPORATION:** D0
- **FISCAL YEAR END:** 0228

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32959
- **FILM NUMBER:** 26827507

**BUSINESS ADDRESS:**
- **STREET 1:** C/O AIRCASTLE ADVISOR LLC
- **STREET 2:** 201 TRESSER BLVD, SUITE 400
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901
- **BUSINESS PHONE:** (203) 504-1020

**MAIL ADDRESS:**
- **STREET 1:** C/O AIRCASTLE ADVISOR LLC
- **STREET 2:** 201 TRESSER BLVD, SUITE 400
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901

?xml version='1.0' encoding='ASCII'? ayr-20260401

**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**

**Date of Report (Date of earliest event reported) April 1, 2026**

**Aircastle Limited**

**(Exact name of registrant as specified in its charter)**

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| | | |
|:---|:---|:---|
| **Bermuda** | **001-32959** | **98-0444035** |
| **(State or other jurisdiction<br>of incorporation)** | **(Commission<br>File Number)** | **(IRS Employer<br>Identification No.)** |

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| | |
|:---|:---|
| **c/o Aircastle Advisor LLC, 201 Tresser Boulevard,<br>Suite 400** | |
| **Stamford** | |
| **Connecticut** | **06901** |
| **(Address of principal executive offices)** | **(Zip Code)** |

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**Registrant's telephone number, including area code (203) 504-1020** 

**(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 (see General Instruction A.2. below):

☐ 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))

&nbsp;&nbsp;&nbsp;&nbsp;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. ☐

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**Section 5 – Corporate Governance and Management**

**Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.** 

Effective April 1, 2026, Keiji Okuno resigned as a member of the Board of Directors (the "Board") of Aircastle Limited (the "Company"). Mr. Okuno has been a Director of the Company since September 2022 and was also a member of the Audit and Investment Committees of the Board.

Effective April 1, 2026, Yasuhiko Hashimoto has become a member of the Board, as well as the Audit and Compensation Committees. Mr. Hashimoto was nominated to the Board by Mizuho Leasing Company Limited ("Mizuho Leasing") and appointed as Director as set forth in the Company's Bye-Laws.

Mr. Hashimoto serves as Managing Executive Officer at Mizuho Leasing. He joined Mizuho Leasing in June 2021 as an Executive Officer and has since held successive leadership roles, overseeing key global business initiatives and transportation assets. Prior to joining Mizuho Leasing, he has a distinguished career spanning over 30 years at Mizuho Bank, Ltd. His extensive executive experiences at Mizuho Bank include serving as Executive Officer and Head of the Global Products Unit, Head of the Global Corporate Division in Tokyo, and Deputy Head of EMEA based in London. Throughout his career, he has held numerous senior positions specializing in structured finance, project finance, and global corporate banking across major financial hubs including London, New York, Houston, and Tokyo. He holds an MBA from the Stern School of Business at New York University and a Bachelor of Law degree from the University of Osaka.

Mr. Hashimoto will not receive any compensation from the Company for his service as a director.

**Section 9 - Financial Statements and Exhibits**

**Item 9.01 Financial Statements and Exhibits.**

**(d) Exhibits**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

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| | |
|:---|:---|
| **Exhibit<br>No.** | **Description** |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |

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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 hereunto duly authorized.

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| |
|:---|
| AIRCASTLE LIMITED<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Registrant) |
| /s/ Sarah Clarkin |
| Sarah Clarkin |
| Chief Legal Officer and Secretary |

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Date: April 1, 2026