Ownership History
| WALSTROM RYAN | $0 | 5086/0245 | 25 | 10/16/2017 |
| ROBERTS-WALSTROM RYAN | $0 | 5085/0031 | 01 | 10/06/2017 |
| WALSTROM LINDSEY ROBERTS + RYAN ROBERTS | $0 | 4427/0102 | 25 | 09/02/2009 |
| ROBERTS LINDSEY + RYAN ROBERTS WALSTROM | $0 | 4427/0101 | 25 | 09/02/2009 |
| ROBERTS LINDSEY + RYAN WALSTROM | $227,000 | 3970/0001 | Q | 07/06/2006 |