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Investment Securities (Tables) | 3 Months Ended
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Sep. 30, 2025
Investment Securities |
Schedule of available-for-sale securities reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  | ​ |  | Gross |  | Gross |  | Estimated |  | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair | ​ | Carrying
September 30, 2025 | ​ | Cost | ​ | Gains | ​ | (Losses) | ​ | Value | ​ | Value
(In Thousands) |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Held to maturity |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
U.S. government sponsored enterprise MBS(1) | ​ | $ | 99,154 | ​ | $ | 124 | ​ | $ | (9,284) | ​ | $ | 89,994 | ​ | $ | 99,154
U.S. government sponsored enterprise CMO(2) | ​ | ​ | 4,466 | ​ | ​ | 18 | ​ | ​ | (78) | ​ | ​ | 4,406 | ​ | ​ | 4,466
U.S. SBA securities(3) | ​ |  | 257 | ​ |  | — | ​ |  | (3) | ​ |  | 254 | ​ |  | 257
Total investment securities - held to maturity | ​ | ​ | 103,877 | ​ | ​ | 142 | ​ | ​ | (9,365) | ​ | ​ | 94,654 | ​ | ​ | 103,877
​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Available for sale | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
U.S. government agency MBS(1) | ​ | ​ | 1,027 | ​ | ​ | 11 | ​ | ​ | — | ​ | ​ | 1,038 | ​ | ​ | 1,038
U.S. government sponsored enterprise MBS(1) | ​ | ​ | 422 | ​ | ​ | 9 | ​ | ​ | — | ​ | ​ | 431 | ​ |  | 431
Private issue CMO(2) | ​ |  | 75 | ​ |  | — | ​ |  | — | ​ |  | 75 | ​ |  | 75
Total investment securities - available for sale | ​ | ​ | 1,524 | ​ | ​ | 20 | ​ | ​ | — | ​ | ​ | 1,544 | ​ | ​ | 1,544
Total investment securities | ​ | $ | 105,401 | ​ | $ | 162 | ​ | $ | (9,365) | ​ | $ | 96,198 | ​ | $ | 105,421
​ (1)Mortgage-Backed Securities (“MBS”) (2)Collateralized Mortgage Obligations (“CMO”) (3)Small Business Administration (“SBA”) ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  | ​ |  | Gross |  | Gross |  | Estimated |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair | ​ | Carrying
June 30, 2025 | ​ | Cost | ​ | Gains | ​ | (Losses) | ​ | Value | ​ | Value
(In Thousands) |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Held to maturity |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
U.S. government sponsored enterprise MBS | ​ | $ | 104,549 | ​ | $ | 127 | ​ | $ | (10,305) | ​ | $ | 94,371 | ​ | $ | 104,549
U.S. government sponsored enterprise CMO | ​ | ​ | 4,525 | ​ | ​ | 14 | ​ | ​ | (108) | ​ | ​ | 4,431 | ​ | ​ | 4,525
U.S. SBA securities | ​ |  | 325 | ​ |  | — | ​ |  | (1) | ​ |  | 324 | ​ |  | 325
Total investment securities - held to maturity | ​ | ​ | 109,399 | ​ | ​ | 141 | ​ | ​ | (10,414) | ​ | ​ | 99,126 | ​ | ​ | 109,399
​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Available for sale | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
U.S. government agency MBS | ​ | ​ | 1,072 | ​ | ​ | 10 | ​ | ​ | — | ​ | ​ | 1,082 | ​ | ​ | 1,082
U.S. government sponsored enterprise MBS | ​ |  | 436 | ​ |  | 10 | ​ |  | — | ​ |  | 446 | ​ |  | 446
Private issue CMO | ​ |  | 79 | ​ |  | — | ​ |  | — | ​ |  | 79 | ​ |  | 79
Total investment securities - available for sale | ​ | ​ | 1,587 | ​ | ​ | 20 | ​ | ​ | — | ​ | ​ | 1,607 | ​ | ​ | 1,607
Total investment securities | ​ | $ | 110,986 | ​ | $ | 161 | ​ | $ | (10,414) | ​ | $ | 100,733 | ​ | $ | 111,006
Schedule of investments with unrealized loss position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As of September 30, 2025 | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses
(In Thousands) | ​ | Less Than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
Description of Securities |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
Held to maturity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government sponsored enterprise MBS | ​ | $ | — | ​ | $ | — | ​ | $ | 85,978 | ​ | $ | 9,284 | ​ | $ | 85,978 | ​ | $ | 9,284
U.S. government sponsored enterprise CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,405 | ​ | ​ | 78 | ​ | ​ | 3,405 | ​ | ​ | 78
U.S. SBA securities | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 255 | ​ | ​ | 3 | ​ | ​ | 255 | ​ | ​ | 3
Total investment securities - held to maturity | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 89,638 | ​ | ​ | 9,365 | ​ | ​ | 89,638 | ​ | ​ | 9,365
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S government agency MBS | ​ | ​ | 37 | ​ | ​ | — | ​ | ​ | 13 | ​ | ​ | — | ​ | ​ | 50 | ​ | ​ | —
Private issue CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 16 | ​ | ​ | — | ​ | ​ | 16 | ​ | ​ | —
Total investment securities - available for sale | ​ | ​ | 37 | ​ | ​ | — | ​ | ​ | 29 | ​ | ​ | — | ​ | ​ | 66 | ​ | ​ | —
Total investment securities | ​ | $ | 37 | ​ | $ | — | ​ | ​ | 89,667 | ​ | $ | 9,365 | ​ | $ | 89,704 | ​ | $ | 9,365
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As of June 30, 2025 | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses | ​ | Unrealized Holding Losses
(In Thousands) | ​ | Less Than 12 Months | ​ | 12 Months or More | ​ | Total
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
Description of Securities |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
Held to maturity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government sponsored enterprise MBS | ​ | $ | — | ​ | $ | — | ​ | $ | 90,022 | ​ | $ | 10,305 | ​ | $ | 90,022 | ​ | $ | 10,305
U.S. government sponsored enterprise CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 3,435 | ​ | ​ | 108 | ​ | ​ | 3,435 | ​ | ​ | 108
U.S. SBA securities | ​ | ​ | 324 | ​ | ​ | 1 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 324 | ​ | ​ | 1
Total investment securities - held to maturity | ​ | ​ | 324 | ​ | ​ | 1 | ​ | ​ | 93,457 | ​ | ​ | 10,413 | ​ | ​ | 93,781 | ​ | ​ | 10,414
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S government agency MBS | ​ | ​ | 37 | ​ | ​ | — | ​ | ​ | 13 | ​ | ​ | — | ​ | ​ | 50 | ​ | ​ | —
Private issue CMO | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 17 | ​ | ​ | — | ​ | ​ | 17 | ​ | ​ | —
Total investment securities - available for sale | ​ | ​ | 37 | ​ | ​ | — | ​ | ​ | 30 | ​ | ​ | — | ​ | ​ | 67 | ​ | ​ | —
Total investment securities | ​ | $ | 361 | ​ | $ | 1 | ​ | $ | 93,487 | ​ | $ | 10,413 | ​ | $ | 93,848 | ​ | $ | 10,414
Schedule of investments classified by contractual maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025 | ​ | June 30, 2025
​ |  | ​ | ​ |  | Estimated |  | ​ | ​ |  | Estimated
​ | ​ | Amortized | ​ | Fair | ​ | Amortized | ​ | Fair
(In Thousands) | ​ | Cost | ​ | Value | ​ | Cost | ​ | Value
Held to maturity |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Due in one year or less | ​ | $ | 250 | ​ | $ | 248 | ​ | $ | 69 | ​ | $ | 68
Due after one through five years | ​ |  | 11,683 | ​ |  | 11,187 | ​ |  | 4,921 | ​ |  | 4,760
Due after five through ten years | ​ |  | 48,290 | ​ |  | 44,598 | ​ |  | 40,773 | ​ |  | 38,224
Due after ten years | ​ |  | 43,654 | ​ |  | 38,621 | ​ |  | 63,636 | ​ |  | 56,074
Total investment securities - held to maturity | ​ | ​ | 103,877 | ​ | ​ | 94,654 | ​ | ​ | 109,399 | ​ | ​ | 99,126
​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Available for sale | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Due in one year or less | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Due after one through five years | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Due after five through ten years | ​ |  | 1,421 | ​ |  | 1,440 | ​ |  | 1,483 | ​ |  | 1,501
Due after ten years | ​ |  | 103 | ​ |  | 104 | ​ |  | 104 | ​ |  | 106
Total investment securities - available for sale | ​ | ​ | 1,524 | ​ | ​ | 1,544 | ​ | ​ | 1,587 | ​ | ​ | 1,607
Total investment securities | ​ | $ | 105,401 | ​ | $ | 96,198 | ​ | $ | 110,986 | ​ | $ | 100,733
​

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