X0508 4 2025-12-05 false 0000070145 NATIONAL FUEL GAS CO NFG 0001972630 Silverstein Timothy J 6363 MAIN STREET WILLIAMSVILLE NY 14221 false true false false Treasurer & CFO false Common Stock 2025-12-05 4 M false 1371.00 A 8082.00 D Common Stock 2025-12-05 4 F false 700.00 82.28 D 7382.00 D Common Stock 2025-12-06 4 M false 1409.00 A 8791.00 D Common Stock 2025-12-06 4 F false 720.00 82.28 D 8071.00 D Common Stock 4852.00 I 401K Trust Restricted Stock Units 2025-12-05 4 M false 1371.00 0.00 D Common Stock 1371.00 2744.00 D Restricted Stock Units 2025-12-06 4 M false 1409.00 0.00 D Common Stock 1409.00 1409.00 D Restricted stock units convert into common stock on a one-for-one basis. On December 5, 2025, the reporting person had 700 shares withheld and cancelled in respect of taxes in connection with the vesting of restricted stock units. These share cancellations are shown on Table I as dispositions (Transaction Code "D" in Column 4), although none of these cancelled shares were sold into the market, as indicated by Transaction Code "F" in Column 3. On December 6, 2025, the reporting person had 720 shares withheld and cancelled in respect of taxes in connection with the vesting of restricted stock units. These share cancellations are shown on Table I as dispositions (Transaction Code "D" in Column 4), although none of these cancelled shares were sold into the market, as indicated by Transaction Code "F" in Column 3. The NFG stock fund under the NFG 401(k) plan is denominated in units, representing ownership interests in a fund that includes both NFG common stock and a reserve of cash. The information reported represents the dollar value of the reporting person's balance in the NFG stock fund as of December 5, 2025, as reported by the plan administrator, divided by the closing price of NFG common stock on that date. On December 5, 2024, the reporting person was granted 4,115 restricted stock units, vesting as follows: 1,371 on December 5, 2025, 1,372 on December 5, 2026, and 1,372 on December 5, 2027. On December 6, 2023, the reporting person was granted 4,227 restricted stock units, vesting as follows: 1,409 on December 6, 2024, 1,409 on December 6, 2025, and 1,409 on December 6, 2026. J. P. Baetzhold, Attorney in Fact 2025-12-09