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| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2021 | NEWMARKET CORP | NEU | 0 | -1,355 | 0 | -540,000 | |
| 12/31/2020 | NEWMARKET CORP | NEU | 1,355 | -110 | 540,000 | 39,000 | $398.52 |
| 09/30/2020 | NEWMARKET CORP | NEU | 1,465 | 1,465 | 501,000 | 501,000 | $341.98 |
| 12/31/2018 | NEWMARKET CORP | NEU | 0 | -794 | 0 | -322,000 | |
| 09/30/2018 | NEWMARKET CORP | NEU | 794 | 0 | 322,000 | 1,000 | $405.54 |
| 06/30/2018 | NEWMARKET CORP | NEU | 794 | 67 | 321,000 | 29,000 | $404.28 |
| 03/31/2018 | NEWMARKET CORP | NEU | 727 | 727 | 292,000 | 292,000 | $401.65 |
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