X0609 4 2026-05-19 0001828588 Hanover Bancorp, Inc. /MD HNVR 0001362517 Golden Robert false C/O HANOVER BANCORP, INC. 80 EAST JERICHO TURNPIKE MINEOLA NY 11501 1 0 Common Stock 2026-05-19 4 S 0 2259.0000 22.7900 D 34009.0000 D Common Stock 2026-05-20 4 S 0 1012.0000 23.0144 D 32997.0000 D Common Stock 195358.0000 I See Footnote 2 Common Stock 80769.0000 I See Footnote 3 Common Stock 42771.0000 I See Footnote 4 Common Stock 25000.0000 I See Footnote 5 Common Stock 2239.0000 I See Footnote 6 Common Stock 8846.0000 I See Footnote 7 Common Stock 30000.0000 I See Footnote 8 The price reported in Column 4 is a weighted average price. These shares were sold in two separate transactions at prices of $22.7498 and $22.825, inclusive. The reporting person undertakes to provide to Hanover Bancorp, Inc., any security holder of Hanover Bancorp, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price mentioned within this footnote. 195,358 shares held in trusts for the benefit of the Reporting Person, and of which the spouse of the Reporting Person is a trustee. 80,769 shares held in various trusts for the benefit of the sibling of the Reporting Person, and of which the Reporting Person is a trustee. 42,771 shares held by a limited liability company which is controlled by the Reporting Person. 25,000 shares held by the spouse of the Reporting Person. 2,239 shares held by a trust for the benefit of the Reporting Person and his descendants, and of which the Reporting Person and an unrelated third party are trustees. 8,846 shares held in various trusts for the benefit of the children of the Reporting Person, and of which the Reporting Person is a trustee. 30,000 shares held in various trusts for the benefit of the children of the Reporting Person, and of which the spouse of the Reporting Person is a trustee. /s/ Robert Golden 2026-05-21