Michelle Whicher - 15 May 2026 Form 4 Insider Report for HA Sustainable Infrastructure Capital, Inc. (HASI)

Reporting relationship: Chief Accounting Officer
Issuer ticker: HASI
Reported as of: 15 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 May 2026, 16:05:17 UTC
Prior SEC filing: 06 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Michelle Whicher

Key filing fact

Michelle Whicher filed Form 4 for HA Sustainable Infrastructure Capital, Inc. (HASI) on 18 May 2026.

Key facts

This page summarizes Michelle Whicher's Form 4 filing for HA Sustainable Infrastructure Capital, Inc. (HASI).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 18 May 2026, 16:05.

Change

Previous filing in this sequence was filed on 06 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002058675 Primary reporting owner

Whicher Michelle

Relationship: Chief Accounting Officer
Address: ONE PARK PLACE, SUITE 200, ANNAPOLIS
Signature: /s/ Michelle Whicher
Signature date: 18 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HASI transaction

Common stock, par value $0.01 per share

Tax liability

Transaction value
Shares: -961
Change %: -4.8%
Price: $41.19^*
Shares after: 19,084
Date: 15 May 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HASI holding Derivative

LTIP Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,246
Date: 15 May 2026
Ownership: By HASI Management HoldCo LLC
Underlying class: Common stock, par value $0.01 per share
Underlying amount: 10,246
Exercise price
Footnotes: F3, F4, F5, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 1,988 shares of Common Stock.

Footnote F2

Represents the closing price of the Common Stock on May 15, 2026.

Footnote F3

10,246 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 10,246 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2022 Equity Incentive Plan, as amended.

Footnote F4

Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of HA Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

Footnote F5

N/A

Footnote F6

These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with their proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting their proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of their pecuniary interest.