| Date | Description |
|---|---|
| 2019-04-06 | delete evp John H. McKenzie |
| 2019-04-06 | insert ceo John H. McKenzie |
| 2019-04-06 | insert coo Scott G. Britton |
| 2019-04-06 | insert president John H. McKenzie |
| 2019-04-06 | insert svp Scott G. Britton |
| 2019-04-06 | update person_title John H. McKenzie: Executive Vice President => CEO; President |
| 2019-04-06 | update person_title Scott G. Britton: Vice President, Director of Operations & Business Development => Senior Vice President; COO |