| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 11, 2026 | HORSFALL JAN ROBERT | Director | A | 569 | $65.9400 | $37.52K |
| May 11, 2026 | Yingling Jeffrey W. | Director | A | 569 | $65.9400 | $37.52K |
| Apr 7, 2026 | Sullivan Linda G | Director | A | 834 | $65.9400 | $54.99K |
| Apr 7, 2026 | YAZDI MAHVASH | Director | A | 569 | $65.9400 | $37.52K |
| Apr 7, 2026 | Larson Kent T | Director | A | 569 | $65.9400 | $37.52K |
| Apr 7, 2026 | Goodin David L | Director | A | 569 | $65.9400 | $37.52K |
| Apr 7, 2026 | Ide Britt E | Director | A | 569 | $65.9400 | $37.52K |
| Apr 7, 2026 | Edwards Sherina M. | Director | A | 569 | $65.9400 | $37.52K |
| Mar 3, 2026 | Hines John D | VP - Energy Supply & MT Gov | F | 398 | $0.0000 | $0.00 |
| Mar 3, 2026 | Hines John D | VP - Energy Supply & MT Gov | A | 1,354 | $68.4500 | $92.68K |
| Feb 27, 2026 | Vold Jeanne | VP - Technology | F | 478 | $0.0000 | $0.00 |
| Feb 27, 2026 | Vold Jeanne | VP - Technology | A | 1,679 | $68.4500 | $114.93K |
| Feb 27, 2026 | Schroeppel Bobbi L | VP - HR, Cust Care, Corp Comm | F | 643 | $0.0000 | $0.00 |
| Feb 27, 2026 | Schroeppel Bobbi L | VP - HR, Cust Care, Corp Comm | A | 2,464 | $68.4500 | $168.66K |
| Feb 27, 2026 | Merkel Jason | VP - Distribution | F | 461 | $0.0000 | $0.00 |
| Feb 27, 2026 | Merkel Jason | VP - Distribution | A | 1,331 | $68.4500 | $91.11K |
| Feb 27, 2026 | Berzina Jeffrey B. | Controller | F | 278 | $0.0000 | $0.00 |
| Feb 27, 2026 | Berzina Jeffrey B. | Controller | A | 938 | $68.4500 | $64.21K |
| Feb 27, 2026 | Cashell Michael R | VP - Transmission | F | 763 | $0.0000 | $0.00 |
| Feb 27, 2026 | Cashell Michael R | VP - Transmission | A | 2,453 | $68.4500 | $167.91K |
| Feb 27, 2026 | Lail Crystal Dawn | VP and CFO | F | 1,506 | $0.0000 | $0.00 |
| Feb 27, 2026 | Lail Crystal Dawn | VP and CFO | A | 6,186 | $68.4500 | $423.43K |
| Feb 27, 2026 | LaFave Bleau | VP - Bus Dvlpmt & Asset Mgmt | F | 198 | $0.0000 | $0.00 |
| Feb 27, 2026 | LaFave Bleau | VP - Bus Dvlpmt & Asset Mgmt | A | 671 | $68.4500 | $45.93K |
| Feb 27, 2026 | Heim Shannon | VP and General Counsel | F | 892 | $0.0000 | $0.00 |
| Feb 27, 2026 | Heim Shannon | VP and General Counsel | A | 2,818 | $68.4500 | $192.89K |
| Feb 27, 2026 | BIRD BRIAN B | President and CEO | F | 7,341 | $0.0000 | $0.00 |
| Feb 27, 2026 | BIRD BRIAN B | President and CEO | A | 20,864 | $68.4500 | $1.43M |
| Feb 24, 2026 | Hines John D | VP - Energy Supply & MT Gov | F | 57 | $0.0000 | $0.00 |
| Feb 24, 2026 | Hines John D | VP - Energy Supply & MT Gov | A | 2,474 | $68.4500 | $169.34K |
| Feb 24, 2026 | Heim Shannon | VP and General Counsel | F | 11 | $0.0000 | $0.00 |
| Feb 24, 2026 | Heim Shannon | VP and General Counsel | A | 148 | $68.4500 | $10.13K |
| Feb 24, 2026 | Lail Crystal Dawn | VP and CFO | F | 29 | $0.0000 | $0.00 |
| Feb 24, 2026 | Lail Crystal Dawn | VP and CFO | A | 1,260 | $68.4500 | $86.25K |
| Feb 24, 2026 | Cashell Michael R | VP - Transmission | F | 31 | $0.0000 | $0.00 |
| Feb 24, 2026 | Cashell Michael R | VP - Transmission | A | 1,329 | $68.4500 | $90.97K |
| Feb 24, 2026 | BIRD BRIAN B | President and CEO | F | 60 | $0.0000 | $0.00 |
| Feb 24, 2026 | BIRD BRIAN B | President and CEO | A | 2,587 | $68.4500 | $177.08K |
| Feb 24, 2026 | Schroeppel Bobbi L | VP - HR, Cust Care, Corp Comm | F | 31 | $0.0000 | $0.00 |
| Feb 24, 2026 | Schroeppel Bobbi L | VP - HR, Cust Care, Corp Comm | A | 1,335 | $68.4500 | $91.38K |
| Feb 3, 2026 | Yingling Jeffrey W. | Director | A | 581 | $64.5400 | $37.50K |
| Feb 3, 2026 | HORSFALL JAN ROBERT | Director | A | 581 | $64.5400 | $37.50K |
| Jan 22, 2026 | BIRD BRIAN B | President and CEO | F | 2,397 | $64.5400 | $154.70K |
| Jan 22, 2026 | Vold Jeanne | VP - Technology | F | 223 | $64.5400 | $14.39K |
| Jan 22, 2026 | Lail Crystal Dawn | VP and CFO | F | 808 | $64.5400 | $52.15K |
| Jan 22, 2026 | Schroeppel Bobbi L | VP - HR, Cust Care, Corp Comm | F | 327 | $64.5400 | $21.10K |
| Jan 22, 2026 | Merkel Jason | VP - Distribution | F | 206 | $64.5400 | $13.29K |
| Jan 22, 2026 | LaFave Bleau | VP - Bus Dvlpmt & Asset Mgmt | F | 89 | $64.5400 | $5.74K |
| Jan 22, 2026 | Cashell Michael R | VP - Transmission | F | 381 | $64.5400 | $24.59K |
| Jan 22, 2026 | Berzina Jeffrey B. | Controller | F | 124 | $64.5400 | $8.00K |