Over the trailing 12 months, CLMT insiders made no open-market purchases, and sold at least $20.67 million of stock on the open market (662.14K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Group Heritage | TenPercentOwner, Other | 25,420,422 | 0 | 25,420,422 | 88.2% | 05 Jun, 2026 |
| 2 | Jennifer Straumins | Director | 943,438 | 0 | 943,438 | 3.3% | 05 Dec, 2025 |
| 3 | Bruce A Fleming | Evp Montana Renewables | 615,201 | 0 | 615,201 | 2.1% | 25 Sep, 2026 |
| 4 | James S Carter | Director | 394,632 | 0 | 394,632 | 1.4% | 21 Jan, 2025 |
| 5 | Stephen P Mawer | Director | 348,410 | 0 | 348,410 | 1.2% | 25 Sep, 2026 |
| 6 | Louis Todd Borgmann | Chief Executive Officer | 324,269 | 0 | 324,269 | 1.1% | 25 Sep, 2026 |
| 7 | Amy M Schumacher | Director | 258,160 | 0 | 258,160 | 0.9% | 10 Jul, 2026 |
| 8 | Scott Obermeier | Evp Specialties | 237,656 | 0 | 237,656 | 0.8% | 10 Mar, 2026 |
| 9 | Daniel J Sajkowski | Director | 81,958 | 0 | 81,958 | 0.3% | 10 Jul, 2026 |
| 10 | Gregory J Morical | Svp, General Counsel | 64,945 | 0 | 64,945 | 0.2% | 25 Sep, 2026 |
| 11 | John G. Boss | Director | 33,033 | 0 | 33,033 | 0.1% | 10 Jul, 2026 |
| 12 | Paul C Raymond | Director | 28,973 | 0 | 28,973 | 0.1% | 10 Jul, 2026 |
| 13 | Daniel L Sheets | Director | 26,824 | 0 | 26,824 | 0.1% | 15 May, 2025 |
| 14 | Vincent Donargo | Chief Accounting Officer | 14,005 | 0 | 14,005 | 0.0% | 13 Mar, 2025 |
| 15 | Karen A. Twitchell | Director | 13,389 | 0 | 13,389 | 0.0% | 10 Jul, 2026 |
| 16 | Julio M Quintana | Director | 7,067 | 0 | 7,067 | 0.0% | 10 Jul, 2026 |
| 17 | Karen G Narwold | Director | 7,067 | 0 | 7,067 | 0.0% | 10 Jul, 2026 |
| 18 | David Lunin | Evp Cfo | 2,500 | 0 | 2,500 | 0.0% | 05 Mar, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 25 Sep, 2026 | Stephen P Mawer | Director | Acquired M | 61,387 | $0.00 | $0 | 372,965 | Direct |
| 25 Sep, 2026 | Gregory J Morical | Svp, General Counsel | Acquired M | 30,694 | $0.00 | $0 | 78,505 | Direct |
| 25 Sep, 2026 | Louis Todd Borgmann | Chief Executive Officer | Acquired M | 107,428 | $0.00 | $0 | 371,170 | Direct |
| 25 Sep, 2026 | Bruce A Fleming | Evp Montana Renewables | Acquired M | 107,428 | $0.00 | $0 | 657,391 | Direct |
| 25 Sep, 2026 | Stephen P Mawer | Director | Disposed S | 24,555 | $0.00 | $0 | 348,410 | Direct |
| 25 Sep, 2026 | Gregory J Morical | Svp, General Counsel | Disposed F | 13,560 | $0.00 | $0 | 64,945 | Direct |
| 25 Sep, 2026 | Louis Todd Borgmann | Chief Executive Officer | Disposed F | 46,901 | $0.00 | $0 | 324,269 | Direct |
| 25 Sep, 2026 | Bruce A Fleming | Evp Montana Renewables | Disposed F | 42,190 | $0.00 | $0 | 615,201 | Direct |
| 25 Sep, 2026 | Stephen P Mawer | Director | Disposed M | 61,387 | $0.00 | $0 | 0 | Direct |
| 25 Sep, 2026 | Gregory J Morical | Svp, General Counsel | Disposed M | 30,694 | $0.00 | $0 | 0 | Direct |
| 25 Sep, 2026 | Bruce A Fleming | Evp Montana Renewables | Disposed M | 107,428 | $0.00 | $0 | 0 | Direct |
| 25 Sep, 2026 | Louis Todd Borgmann | Chief Executive Officer | Disposed M | 107,428 | $0.00 | $0 | 0 | Direct |
| 20 Aug, 2026 | Amy M Schumacher | Director | Acquired A | 488 | $0.00 | $0 | 488 | Direct |
| 20 Aug, 2026 | Paul C Raymond | Director | Acquired A | 534 | $0.00 | $0 | 534 | Direct |
| 20 Aug, 2026 | John G. Boss | Director | Acquired A | 160 | $0.00 | $0 | 160 | Direct |
| 20 Aug, 2026 | Stephen P Mawer | Director | Acquired A | 690 | $0.00 | $0 | 690 | Direct |
| 20 Aug, 2026 | John G. Boss | Director | Acquired A | 53 | $0.00 | $0 | 53 | Direct |
| 20 Aug, 2026 | Stephen P Mawer | Director | Acquired A | 230 | $0.00 | $0 | 230 | Direct |
| 20 Aug, 2026 | Amy M Schumacher | Director | Acquired A | 162 | $0.00 | $0 | 162 | Direct |
| 20 Aug, 2026 | Paul C Raymond | Director | Acquired A | 178 | $0.00 | $0 | 178 | Direct |