Calumet's top three insider shareholders as of March 23, 2026 are Group Heritage (TenPercentOwner, 12.59Mn shares), Jennifer Straumins (Director, 943.44K shares), Bruce A Fleming (Evp Montana Renewables, 549.96K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Group Heritage | 12,587,209 | 0 | 12 Jul, 2024 | |
| Jennifer Straumins | 943,438 | 0 | 05 Dec, 2025 | |
| Bruce A Fleming | Evp Montana Renewables | 549,963 | 0 | 10 Mar, 2026 |
| James S Carter | 394,632 | 0 | 21 Jan, 2025 | |
| Stephen P Mawer | 303,310 | 0 | 10 Mar, 2026 | |
| Louis Todd Borgmann | Chief Executive Officer | 263,742 | 0 | 10 Mar, 2026 |
| Amy M Schumacher | 251,093 | 0 | 05 Dec, 2025 | |
| Scott Obermeier | Evp Specialties | 237,656 | 0 | 10 Mar, 2026 |
| Daniel J Sajkowski | 167,268 | 0 | 05 Dec, 2025 | |
| Gregory J Morical | Svp, General Counsel | 47,811 | 0 | 10 Mar, 2026 |
| John G. Boss | 28,793 | 0 | 05 Dec, 2025 | |
| Daniel L Sheets | 26,824 | 0 | 15 May, 2025 | |
| Paul C Raymond | 24,733 | 0 | 05 Dec, 2025 | |
| Vincent Donargo | Chief Accounting Officer | 14,005 | 0 | 13 Mar, 2025 |
| Karen A. Twitchell | 6,322 | 0 | 05 Dec, 2025 | |
| David Lunin | Evp Cfo | 2,500 | 0 | 05 Mar, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 09 Mar, 2026 | Bruce A Fleming | Common Stock, par value $0.01 per share | A | 20,621 | $0.00 | 558,119 | D | M |
| 09 Mar, 2026 | Louis Todd Borgmann | Common Stock, par value $0.01 per share | A | 49,974 | $0.00 | 285,540 | D | M |
| 09 Mar, 2026 | Stephen P Mawer | Common Stock, par value $0.01 per share | A | 27,806 | $0.00 | 315,899 | D | M |
| 09 Mar, 2026 | Scott Obermeier | Common Stock, par value $0.01 per share | A | 24,090 | $0.00 | 248,240 | D | M |
| 09 Mar, 2026 | Gregory J Morical | Common Stock, par value $0.01 per share | A | 15,348 | $0.00 | 54,763 | D | M |
| 09 Mar, 2026 | Louis Todd Borgmann | Common Stock, par value $0.01 per share | D | 21,798 | $0.00 | 263,742 | D | F |
| 09 Mar, 2026 | Scott Obermeier | Common Stock, par value $0.01 per share | D | 10,584 | $0.00 | 237,656 | D | F |
| 09 Mar, 2026 | Stephen P Mawer | Common Stock, par value $0.01 per share | D | 12,589 | $0.00 | 303,310 | D | F |
| 09 Mar, 2026 | Bruce A Fleming | Common Stock, par value $0.01 per share | D | 8,156 | $0.00 | 549,963 | D | F |
| 09 Mar, 2026 | Gregory J Morical | Common Stock, par value $0.01 per share | D | 6,952 | $0.00 | 47,811 | D | F |
| 09 Mar, 2026 | Bruce A Fleming | Restricted Stock Unit | D | 20,621 | $0.00 | 0 | D | M |
| 09 Mar, 2026 | Scott Obermeier | Restricted Stock Unit | D | 24,090 | $0.00 | 0 | D | M |
| 09 Mar, 2026 | Gregory J Morical | Restricted Stock Unit | D | 15,348 | $0.00 | 0 | D | M |
| 09 Mar, 2026 | Stephen P Mawer | Restricted Stock Unit | D | 27,806 | $0.00 | 0 | D | M |
| 09 Mar, 2026 | Louis Todd Borgmann | Restricted Stock Unit | D | 49,974 | $0.00 | 0 | D | M |
| 24 Feb, 2026 | John Robert Krutz | Restricted Stock Unit | A | 2,365 | $0.00 | 2,365 | D | A |
| 24 Feb, 2026 | Bruce A Fleming | Restricted Stock Units | A | 10,850 | $0.00 | 10,850 | D | A |
| 24 Feb, 2026 | John G. Boss | Restricted Stock Unit | A | 256 | $0.00 | 256 | D | A |
| 24 Feb, 2026 | Amy M Schumacher | Restricted Stock Unit | A | 782 | $0.00 | 782 | D | A |
| 24 Feb, 2026 | Scott Obermeier | Restricted Stock Units | A | 9,654 | $0.00 | 9,654 | D | A |