Signature
/s/ Nitya Gopalakrishnan
Issuer symbol
HASI
Transactions as of
02 Mar 2026
Net transactions value
$0
Form type
4
Filing time
04 Mar 2026, 20:09:56 UTC
Previous filing
16 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gopalakrishnan Nitya Chief Operating Officer ONE PARK PLACE SUITE 200, ANNAPOLIS /s/ Nitya Gopalakrishnan 04 Mar 2026 0002084959

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction HASI LTIP Units Award +28,500 +142% $0.000000* 48,500 02 Mar 2026 Common stock, par value $0.01 per share 28,500 By HASI Management HoldCo LLC F1, F2, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 48,500 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 48,500 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.
F2 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.
F3 N/A
F4 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 his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.