# EDGAR Filing Document

**Accession Number:** 0001561894
**File Stem:** 0001193125-25-318601
**Filing Date:** 2025-12
**Character Count:** 5983
**Document Hash:** 5da51b468c5cfe5e406022333297d434
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-318601.hdr.sgml**: 20251215

**ACCESSION NUMBER**: 0001193125-25-318601

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20251210

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

**FILED AS OF DATE**: 20251215

**DATE AS OF CHANGE**: 20251215

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HA Sustainable Infrastructure Capital, Inc.
- **CENTRAL INDEX KEY:** 0001561894
- **STANDARD INDUSTRIAL CLASSIFICATION:** INVESTORS, NEC [6799]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 461347456
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35877
- **FILM NUMBER:** 251570196

**BUSINESS ADDRESS:**
- **STREET 1:** ONE PARK PLACE, SUITE 200
- **CITY:** ANNAPOLIS
- **STATE:** MD
- **ZIP:** 21401
- **BUSINESS PHONE:** (410) 571-9860

**MAIL ADDRESS:**
- **STREET 1:** ONE PARK PLACE, SUITE 200
- **CITY:** ANNAPOLIS
- **STATE:** MD
- **ZIP:** 21401

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Hannon Armstrong Sustainable Infrastructure Capital, Inc.
- **DATE OF NAME CHANGE:** 20121109

?xml version='1.0' encoding='ASCII'? 8-K

### 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)

#### December 10, 2025

## HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC.

#### (Exact Name of Registrant as Specified in its Charter)

---

| | | |
|:---|:---|:---|
| **Delaware** | **001-35877** | **46-1347456** |
| **(State or Other Jurisdiction<br>of Incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer<br>Identification No.)** |

---

#### One Park Place, Suite 200

#### Annapolis, Maryland 21401

#### (Address of principal executive offices)

#### (Zip Code)

#### Registrant's telephone number, including area code: (410) 571-9860

#### (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 Exchange Act:

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading<br>Symbol(s)** | **Name of each exchange<br>on which registered** |
| Common Stock, $0.01 par value per share | HASI | New York Stock Exchange |

---

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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| | |
|:---|:---|
| **Item 5.02** | **Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers;**  |

---

On December 15, 2025, HA Sustainable Infrastructure Capital, Inc. (the "Company") announced that Steven L. Chuslo will be transitioning from his role as Executive Vice President, Chief Legal Officer and Secretary of the Company to a role as a strategic advisor to the Company (the "Transition"). It is expected that the effective date of the Transition will be April 17, 2026. The Company greatly appreciates Mr. Chuslo's 18 years of service to the Company.

In connection with the Transition and pursuant to the terms of Mr. Chuslo's employment agreement dated April 17, 2013, as amended from time to time (the "Employment Agreement"), on December 10, 2025, the Company delivered a notice of non-renewal (the "Notice") to Mr. Chuslo. The Notice shall be treated as a non-renewal of a Subsequent Term (as defined in the Employment Agreement), and, as set forth in the Employment Agreement, provided Mr. Chuslo timely executes and does not revoke a waiver and release of claims, he will be entitled to receive certain payments and benefits thereunder. The Company has initiated a nationwide search for Mr. Chuslo's successor, engaging a leading executive search firm to help identify both internal and external candidates.

The Company and Mr. Chuslo have also entered into a consulting agreement, dated December 10, 2025 (the "Consulting Agreement"), in connection with the Transition. Pursuant to the Consulting Agreement, effective April 17, 2026, Mr. Chuslo will transition to providing strategic consulting services to the Company. The term of the Consulting Agreement will be from April 17, 2026 through April 16, 2027, subject to extension upon mutual agreement of the parties.

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#### SIGNATURES
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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| | | |
|:---|:---|:---|
| | HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. | HA SUSTAINABLE INFRASTRUCTURE CAPITAL, INC. |
|  | By: | /s/ Jeffrey A. Lipson |
| Dated: December 15, 2025 |  | Jeffrey A. Lipson |
|  |  | Chief Executive Officer and President |

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