First Interstate Bancsystem Inc. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at First Interstate Bancsystem Inc. filed 21 open-market sales worth $8.2 million and 0 open-market purchases, on Form 4 with the SEC. The latest: Scott Julie A, 10% owner, sold 2,700 shares at $37.64 on 16 September 2026, filed 16 September 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 16 September 2026 | Scott Julie A | 10% owner | Sale | 2,700 | $37.64 | $101,628 | Form 4 |
| 14 September 2026 | Scott Jonathan R | 10% owner | Sale | 8,071 | $37.29 | $300,968 | Form 4 |
| 11 September 2026 | Scott Jonathan R | 10% owner | Sale | 16,929 | $37.03 | $626,881 | Form 4 |
| 16 July 2026 | Scott Jonathan R | 10% owner | Sale | 10,000 | $40.30 | $403,000 | Form 4 |
| 18 June 2026 | Scott Julie A | 10% owner | Sale | 5,000 | $35.95 | $179,750 | Form 4 |
| 18 June 2026 | Scott Julie A | 10% owner | Sale | 5,000 | $35.98 | $179,900 | Form 4 |
| 18 June 2026 | Scott Julie A | 10% owner | Sale | 5,000 | $35.97 | $179,850 | Form 4 |
| 18 June 2026 | Scott Jonathan R | 10% owner | Sale | 9,390 | $36.11 | $339,073 | Form 4 |
| 17 June 2026 | Scott Jonathan R | 10% owner | Sale | 4,500 | $36.29 | $163,305 | Form 4 |
| 4 June 2026 | Scott Jonathan R | 10% owner | Sale | 12,892 | $35.58 | $458,697 | Form 4 |
| 30 April 2026 | Scott Jonathan R | 10% owner | Sale | 53,504 | $35.42 | $1.9 million | Form 4 |
| 26 March 2026 | Scott Jonathan R | 10% owner | Sale | 3,000 | $33.45 | $100,350 | Form 4 |
| 6 January 2026 | Scott Jonathan R | 10% owner | Sale | 1,827 | $36.92 | $67,453 | Form 4 |
| 5 January 2026 | Scott Jonathan R | 10% owner | Sale | 3,173 | $36.20 | $114,863 | Form 4 |
| 1 December 2025 | Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees | 10% owner | Sale | 10,000 | $32.75 | $327,500 | Form 4 |
| 21 November 2025 | Heyneman John M Jr | Director | Sale | 30,432 | $31.03 | $944,305 | Form 4 |
| 11 November 2025 | Heyneman John M Jr | Director | Sale | 15,000 | $32.14 | $482,100 | Form 4 |
| 10 November 2025 | Heyneman John M Jr | Director | Sale | 20,000 | $32.06 | $641,200 | Form 4 |
| 3 November 2025 | Scott Jonathan R | 10% owner | Sale | 4,800 | $31.27 | $150,096 | Form 4 |
| 3 November 2025 | Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees | 10% owner | Sale | 10,000 | $30.99 | $309,900 | Form 4 |
| 29 October 2025 | Scott Jonathan R | 10% owner | Sale | 7,000 | $32.09 | $224,630 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for First Interstate Bancsystem Inc.: the company's filing index.
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