Updated Jul 16, 2026
TANSKI RONALD J has filed 2 SEC Form 4 filings across 2 companies in the last 90 days.

Ronald J. Tanski is a corporate director known for his role at National Fuel Gas Company, where he has been involved in various capacities. He has also held a directorial position at CMS Energy Corporation.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | NFG | NATIONAL FUEL GAS CO | A — Grant or award | 564 | $77.63 | $44K |
| 2026-05-11 | CMS | CMS ENERGY CORP | A — Grant or award | 2.4K | $0.00 | |
| 2026-04-02 | NFG | NATIONAL FUEL GAS CO | A — Grant or award | 469 | $93.29 | $44K |
| 2025-10-01 | NFG | NATIONAL FUEL GAS CO | A — Grant or award | 471 | $92.95 | $44K |
| 2025-07-01 | NFG | NATIONAL FUEL GAS CO | A — Grant or award | 518 | $84.62 | $44K |
| 2025-05-02 | CMS | CMS ENERGY CORP | A — Grant or award | 2.4K | $0.00 | |
| 2025-04-01 | NFG | NATIONAL FUEL GAS CO | A — Grant or award | 552 | $79.27 | $44K |
| 2024-11-27 | NFG | NATIONAL FUEL GAS CO | G — Bona-fide gift | 1.6K | $0.00 | |
| 2024-10-02 | NFG | NATIONAL FUEL GAS CO | A — Grant or award | 725 | $60.37 | $44K |
| 2024-10-02 | NFG | NATIONAL FUEL GAS CO | J — Other acquisition / disposition | 306 | $56.99 | $17K |
Ronald J. Tanski is a corporate director known for his role at National Fuel Gas Company, where he has been involved in various capacities. He has also held a directorial position at CMS Energy Corporation.…
2 primary Form 4 filings in the last 90 days, covering 2 companies.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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