ARDISANA LIZABETH A 4

4 · HA Sustainable Infrastructure Capital, Inc. · Filed Jun 5, 2026

AI-generated summary of this filing

Updated Jun 5, 2026

HASI Director Elizabeth Ardisana Receives 5,574-Share Award

What Happened

Elizabeth A. Ardisana, a director of HA Sustainable Infrastructure Capital, Inc. (HASI), was granted 5,574 derivative shares on June 3, 2026. The reported acquisition price is $0.00 (an award/grant, Form 4 code A), so no cash was paid at grant.
The filing was submitted on June 5, 2026 (two days after the transaction), and includes a Power of Attorney as Exhibit 24.1.

Key Details

Transaction date: 2026-06-03; Filing date: 2026-06-05.
Transaction type/code: Grant / Award (A); 5,574 derivative shares @ $0.00.
Shares owned after transaction: not specified in the provided summary of the Form 4.
Footnote highlights:
- F1: 317 shares were acquired since the last Section 16 filing via a dividend reinvestment program.
- F2/F3: There are 21,988 limited partner units (OP Units) issuable upon vesting/conversion of LTIP units; vested LTIP units can convert one-for-one to OP Units and may be redeemed for cash equal to the market value of an equivalent number of HASI common shares or, at the issuer’s option, settled in HASI shares (subject to the Partnership Agreement).
Exhibit: 24.1 Power of Attorney dated April 30, 2026.

Context

This was an equity award (derivative grant), not an open-market purchase or sale. Such grants often reflect compensation or long-term incentives and may be subject to vesting or conversion rules before they translate into marketable shares or cash.
Because the award is reported as a derivative and conversion/redemption conditions exist, the grant does not necessarily mean immediate economic value or liquidity until those conditions are met.

Form 4

Period: 2026-06-03

Director

Transactions

Award
LTIP Units
[F2][F3][F4]
2026-06-03+5,574→ 21,988 total
→ Common stock, par value $0.01 per share (5,574 underlying)

Holdings

Footnotes (4)

[F1]Includes 317 shares of Common stock which were acquired through a dividend reinvestment program since the Reporting Owner's last Section 16 filing.
[F2]21,988 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 21,988 long-term incentive plan units ("LTIP Units") in the Partnership.
[F3]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.
[F4]N/A

Signature

/s/ Michael Stephan, Attorney-in-Fact|2026-06-05

2 files