| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| WFRD | EVP and CFO | Jan 04, 2022 | Option Exercise | $27.68 | 23,485 | 649,985 | 40,229 | Jan 06, 2022, 04:21 PM |
| WFRD | EVP and CFO | Jan 04, 2022 | Option Exercise | $27.90 | 17,669 | 492,965 | 40,229 | Jan 06, 2022, 04:21 PM |
| CLMT | Chief Financial Officer | Mar 16, 2020 | Buy | $1.80 | 2,000 | 3,595 | 105,302 | Mar 17, 2020, 05:17 PM |
| CLMT | Chief Financial Officer | Mar 13, 2020 | Buy | $1.90 | 7,500 | 14,230 | 103,302 | Mar 17, 2020, 05:17 PM |
| CLMT | Chief Financial Officer | Mar 12, 2020 | Buy | $1.92 | 12,000 | 23,100 | 95,802 | Mar 13, 2020, 01:46 PM |
| CLMT | Chief Financial Officer | Mar 11, 2020 | Buy | $2.31 | 7,000 | 16,200 | 83,802 | Mar 12, 2020, 03:42 PM |
| CLMT | Chief Financial Officer | Mar 10, 2020 | Buy | $2.23 | 7,500 | 16,725 | 76,802 | Mar 12, 2020, 03:42 PM |
| CLMT | Chief Financial Officer | Mar 09, 2020 | Buy | $2.24 | 5,000 | 11,220 | 69,302 | Mar 12, 2020, 03:42 PM |
| CLMT | Chief Financial Officer | Mar 10, 2020 | Buy | $2.44 | 2,000 | 4,880 | 64,302 | Mar 11, 2020, 11:39 AM |
| CLMT | Chief Financial Officer | Mar 09, 2020 | Buy | $2.39 | 2,000 | 4,778 | 62,302 | Mar 11, 2020, 11:39 AM |
| CLMT | Chief Financial Officer | Mar 06, 2020 | Buy | $3.06 | 1,250 | 3,820 | 60,302 | Mar 11, 2020, 11:39 AM |
| CLMT | Chief Financial Officer | Mar 05, 2020 | Buy | $3.50 | 750 | 2,625 | 59,052 | Mar 11, 2020, 11:39 AM |
| CLMT | Chief Financial Officer | Mar 02, 2020 | Buy | $3.40 | 750 | 2,550 | 58,302 | Mar 11, 2020, 11:39 AM |
| CLMT | Chief Financial Officer | Feb 28, 2020 | Buy | $3.44 | 750 | 2,580 | 57,552 | Mar 11, 2020, 11:39 AM |
| CLMT | Chief Financial Officer | Mar 03, 2020 | Buy | $3.45 | 750 | 2,587 | 56,802 | Mar 05, 2020, 03:36 PM |
| CLMT | Chief Financial Officer | Feb 27, 2020 | Buy | $3.48 | 750 | 2,606 | 56,052 | Feb 28, 2020, 09:38 PM |
| CAM | Vice President & Treasurer | Nov 06, 2010 | Option Exercise | $46.13 | 184 | 8,488 | 8,166 | Nov 08, 2010, 04:19 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| WFRD | EVP and CFO | Jan 04, 2022 | Option Exercise | 649,985 |
| WFRD | EVP and CFO | Jan 04, 2022 | Option Exercise | 492,965 |
| CLMT | Chief Financial Officer | Mar 16, 2020 | Buy | 3,595 |
| CLMT | Chief Financial Officer | Mar 13, 2020 | Buy | 14,230 |
| CLMT | Chief Financial Officer | Mar 12, 2020 | Buy | 23,100 |
| CLMT | Chief Financial Officer | Mar 11, 2020 | Buy | 16,200 |
| CLMT | Chief Financial Officer | Mar 10, 2020 | Buy | 16,725 |
| CLMT | Chief Financial Officer | Mar 09, 2020 | Buy | 11,220 |
| CLMT | Chief Financial Officer | Mar 10, 2020 | Buy | 4,880 |
| CLMT | Chief Financial Officer | Mar 09, 2020 | Buy | 4,778 |
| CLMT | Chief Financial Officer | Mar 06, 2020 | Buy | 3,820 |
| CLMT | Chief Financial Officer | Mar 05, 2020 | Buy | 2,625 |
| CLMT | Chief Financial Officer | Mar 02, 2020 | Buy | 2,550 |
| CLMT | Chief Financial Officer | Feb 28, 2020 | Buy | 2,580 |
| CLMT | Chief Financial Officer | Mar 03, 2020 | Buy | 2,587 |
| CLMT | Chief Financial Officer | Feb 27, 2020 | Buy | 2,606 |
| CAM | Vice President & Treasurer | Nov 06, 2010 | Option Exercise | 8,488 |