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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| DORM | McKnight John | President, Heavy Duty | Dec 12 '25 | Sale | 128.80 | 2,000 | 257,596 | 9,112 | Dec 15 |
| DORM | McKnight John | President, Heavy Duty | Dec 01 '25 | Option Exercise | 91.10 | 4,632 | 421,994 | 16,010 | Dec 03 |
| DORM | McKnight John | President, Heavy Duty | Dec 01 '25 | Sale | 130.71 | 4,898 | 640,196 | 11,112 | Dec 03 |
| DORM | McKnight John | President, Heavy Duty | Dec 05 '24 | Option Exercise | 73.72 | 2,000 | 147,440 | 10,902 | Dec 09 |
| DORM | McKnight John | President, Heavy Duty | Dec 03 '24 | Option Exercise | 74.85 | 4,860 | 363,756 | 15,139 | Dec 05 |
| DORM | McKnight John | President, Heavy Duty | Dec 03 '24 | Sale | 139.34 | 8,185 | 1,140,528 | 8,902 | Dec 05 |