Stephen P. Mawer serves as Executive at Calumet Specialty Products Partners, L.P., where they oversee executive responsibilities. Since joining the company, Stephen P. Mawer has executed 38 insider transactions totaling $709.5K, demonstrating a bullish approach to their equity position. Their most recent transaction on Jun 24, 2025 involved exercising options for 7,403 shares valued at $0.
Stephen P. Mawer currently holds 291,055 shares of Calumet Specialty Products Partners, L.P. (CLMT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Stephen P. Mawer has been a net buyer of CLMT stock. They have purchased $440.8K and sold $268.7K worth of shares.
Stephen P. Mawer's most recent insider trade was on Jun 24, 2025, when they sold 7,403 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jan 18, 2024 | CLMT | $0 | Payment | 30,717 | $N/A | Discretionary |
| Jan 18, 2024 | CLMT | $0 | Option Exercise | 68,310 | $N/A | Discretionary |
| Jan 18, 2024 | CLMT | $268.7K | Sale | 15,037 | $17.87 | Discretionary |
| Nov 21, 2022 | CLMT | $56.9K | Purchase | 3,500 | $16.27 | Discretionary |
| Aug 22, 2022 | CLMT | $16.4K | Purchase | 1,000 | $16.35 | Discretionary |
| Aug 22, 2022 | CLMT | $16.3K | Purchase | 1,000 | $16.32 | Discretionary |
| Aug 22, 2022 | CLMT | $16.4K | Purchase | 1,000 | $16.38 | Discretionary |
| Aug 22, 2022 | CLMT | $32.8K | Purchase | 2,000 | $16.42 | Discretionary |
| Aug 16, 2022 | CLMT | $32.4K | Purchase | 2,000 | $16.18 | Discretionary |
| Aug 16, 2022 | CLMT | $37.5K | Purchase | 2,321 | $16.16 | Discretionary |
| Aug 12, 2022 | CLMT | $19.6K | Purchase | 1,214 | $16.11 | Discretionary |
| Aug 12, 2022 | CLMT | $52.2K | Purchase | 3,237 | $16.13 | Discretionary |
| Aug 12, 2022 | CLMT | $32.3K | Purchase | 2,000 | $16.16 | Discretionary |
| Aug 12, 2022 | CLMT | $44.9K | Purchase | 2,800 | $16.05 | Discretionary |
| Mar 4, 2022 | CLMT | $0 | Option Exercise | 7,103 | $N/A | Discretionary |
| Mar 4, 2022 | CLMT | $0 | Payment | 3,671 | $N/A | Discretionary |
| Mar 3, 2021 | CLMT | $0 | Payment | 30,865 | $N/A | Discretionary |
| Mar 3, 2021 | CLMT | $0 | Award | 7,102 | $N/A | Discretionary |
| Mar 3, 2021 | CLMT | $0 | Option Exercise | 49,735 | $N/A | Discretionary |
| Mar 3, 2021 | CLMT | $0 | Option Exercise | 7,882 | $N/A | Discretionary |
| Mar 24, 2020 | CLMT | $0 | Option Exercise | 14,204 | $N/A | Discretionary |
| Feb 27, 2020 | CLMT | $0 | Option Exercise | 5,208 | $N/A | Discretionary |
| Feb 27, 2020 | CLMT | $0 | Option Exercise | 2,674 | $N/A | Discretionary |
| Feb 27, 2020 | CLMT | $0 | Option Exercise | 7,935 | $N/A | Discretionary |
| Feb 15, 2019 | CLMT | $0 | Option Exercise | 2,674 | $N/A | Discretionary |
| Feb 15, 2019 | CLMT | $0 | Option Exercise | 7,937 | $N/A | Discretionary |
| Feb 15, 2019 | CLMT | $0 | Option Exercise | 5,208 | $N/A | Discretionary |
| Dec 10, 2018 | CLMT | $0 | Option Exercise | 5,208 | $N/A | Discretionary |