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| Role | Insider | Date | Transaction | Value | Shares |
|---|---|---|---|---|---|
| Senior VP, Log. & Storage | Lyon Shawn M | Mar 7, 2025 | Buy | $211K | 4,000 |
| Director | HAGEDORN CARL KRISTOPHER | Nov 18, 2024 | Sell | $188.96K | 4,000 |
| Exec. VP and COO | Floerke Gregory Scott | Apr 19, 2022 | Sell | $87.5K | 2,500 |
| Exec. VP and COO | Floerke Gregory Scott | Feb 7, 2022 | Sell | $83K | 2,500 |
| Director | SEMPLE FRANK M | Feb 2, 2022 | Sell | $952K | 28,000 |
| Director | SEMPLE FRANK M | Feb 1, 2022 | Sell | $924K | 28,000 |
| Director | SEMPLE FRANK M | Nov 8, 2021 | Sell | $864K | 27,000 |
| Exec. VP and COO | Floerke Gregory Scott | Nov 8, 2021 | Sell | $78.18K | 2,500 |
| Exec. VP and COO | Floerke Gregory Scott | Nov 8, 2021 | Sell | $78.13K | 2,500 |
| Exec. VP and COO | Floerke Gregory Scott | May 6, 2021 | Sell | $67.5K | 2,500 |
| COO and Exec. VP | Floerke Gregory Scott | Jan 13, 2021 | Sell | $62.5K | 2,500 |
| COO and Exec. VP | Floerke Gregory Scott | Dec 4, 2020 | Sell | $57.5K | 2,500 |
| COO and Exec. VP | Floerke Gregory Scott | Nov 18, 2020 | Sell | $52.5K | 2,500 |
| Director | Peiffer Garry L. | Aug 9, 2019 | Buy | $513.26K | 18,800 |
| CEO | Heminger Gary R. | Aug 8, 2019 | Buy | $57.54K | 2,100 |
| CEO | Heminger Gary R. | Aug 8, 2019 | Buy | $57.58K | 2,100 |
| CEO | Heminger Gary R. | Aug 8, 2019 | Buy | $57.58K | 2,100 |
| CEO | Heminger Gary R. | Aug 8, 2019 | Buy | $57.54K | 2,100 |
| CEO | Heminger Gary R. | Aug 8, 2019 | Buy | $57.62K | 2,100 |
| CEO | Heminger Gary R. | Aug 8, 2019 | Buy | $57.64K | 2,100 |
| Director | SANDMAN DAN D | Aug 7, 2019 | Buy | $998.53K | 36,630 |
| Director | Peiffer Garry L. | Aug 7, 2019 | Buy | $488.65K | 18,000 |
| CEO | Heminger Gary R. | Aug 7, 2019 | Buy | $812.58K | 30,000 |
| Exec VP MarkWest Opr | Floerke Gregory Scott | Dec 11, 2017 | Sell | $74K | 2,000 |
| Exec VP MarkWest Opr | Floerke Gregory Scott | Nov 30, 2017 | Sell | $72K | 2,000 |
Open-market purchases and sales reported on SEC form 4 over the last 10years. Awards, option exercises, gifts and other non-market form 4 activity are excluded. Chart markers group a day's filings by direction; the table lists each filing.