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v3.25.2

RELATED PARTY TRANSACTIONS (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) Rate shares | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) lot shares | Jun. 30, 2024 USD ($) lot | Jul. 03, 2025 shares | Sep. 30, 2024 shares
Pension Plan |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Number of Barnwell common stock held by the Pension Plan | 520,350 |  | 520,350 |  |  | 413,148
Related Party | Pension Plan |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Number of Barnwell common stock purchased by the Pension Plan | 48,664 |  |  |  |  |
Percent of common shares owned | Rate | 5.00% |  |  |  |  |
Related Party | Subsequent Event | Pension Plan |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Number of Barnwell common stock held by the Pension Plan |  |  |  |  | 520,350 |
Kaupulehu Developments |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Revenues - sale of interest in leasehold land | $ | $ 0 | $ 0 | $ 0 | $ 500 |  |
Kaupulehu Developments | KD Kaupulehu, LLLP | Increment I |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Number of single family lots sold | lot |  |  | 0 | 2 |  |
Revenues - sale of interest in leasehold land | $ |  |  |  | $ 500 |  |
KD Acquisition, LLLP |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Ownership interest acquired | 19.60% |  | 19.60% |  |  |
KD Acquisition II, LP | Barnwell Industries Inc |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Ownership interest acquired | 10.80% |  | 10.80% |  |  |

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