McKnight John, President of Heavy Duty, sold Dorman Products ($DORM) shares on the open market three times over the past year, totaling about $900,000. His most recent sale occurred on December 12, 2025. These transactions rank him 5,183rd out of 11,678 insiders by sale value, below the average of $8.6 million across 6.4 transactions per insider. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 12, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 2000 | $128.80 | 9,112.1061 | 30,782,000 | 18.00% | 0.01% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 1356 | $73.72 | 12,734.1061 | 30,782,000 | 11.92% | 0.00% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 623 | $96.36 | 15,307.1061 | 30,782,000 | 4.24% | 0.00% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 1356 | $0.00 | 1,392.0000 | 30,782,000 | 49.34% | 0.00% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 911 | $131.19 | 11,112.1061 | 30,782,000 | 7.58% | 0.00% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 3987 | $130.60 | 12,023.1061 | 30,782,000 | 24.90% | 0.01% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 703 | $91.28 | 16,010.1061 | 30,782,000 | 4.59% | 0.00% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 1950 | $101.45 | 14,684.1061 | 30,782,000 | 15.31% | 0.01% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 703 | $0.00 | 1,406.0000 | 30,782,000 | 33.33% | 0.00% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 623 | $0.00 | 623.0000 | 30,782,000 | 50.00% | 0.00% |
| Dec. 1, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 1950 | $0.00 | 0.0000 | 30,782,000 | 100.00% | 0.01% |
| March 4, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | F | Common Stock | 455 | $130.25 | 11,378.1061 | 30,956,000 | 3.85% | 0.00% |
| March 2, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | F | Common Stock | 1567 | $131.46 | 10,572.1061 | 30,956,000 | 12.91% | 0.01% |
| March 3, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | A | Common Stock | 1261 | $0.00 | 11,833.1061 | 30,956,000 | 11.93% | 0.00% |
| Feb. 20, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | A | Common Stock | 2266 | $0.00 | 13,168.1061 | 30,956,000 | 20.78% | 0.01% |
| Feb. 20, 2025 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | F | Common Stock | 1029 | $126.49 | 12,139.1061 | 30,956,000 | 7.81% | 0.00% |
| Dec. 5, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 2000 | $73.72 | 10,902.1061 | 31,019,000 | 22.47% | 0.01% |
| Dec. 5, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 2000 | $0.00 | 2,748.0000 | 31,019,000 | 42.12% | 0.01% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 2912 | $0.00 | 0.0000 | 31,019,000 | 100.00% | 0.01% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 1246 | $0.00 | 1,246.0000 | 31,019,000 | 50.00% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Employee Stock Option (right to buy) | 702 | $0.00 | 2,109.0000 | 31,019,000 | 24.97% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 121 | $139.72 | 12,227.1061 | 31,019,000 | 0.98% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 581 | $139.10 | 12,348.1061 | 31,019,000 | 4.49% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 702 | $91.28 | 12,929.1061 | 31,019,000 | 5.74% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 100 | $140.11 | 12,227.1061 | 31,019,000 | 0.81% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 1146 | $139.17 | 12,327.1061 | 31,019,000 | 8.51% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 1246 | $96.36 | 13,473.1061 | 31,019,000 | 10.19% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 870 | $139.92 | 12,227.1061 | 31,019,000 | 6.64% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 2042 | $139.13 | 13,097.1061 | 31,019,000 | 13.49% | 0.01% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | M | Common Stock | 2912 | $61.68 | 15,139.1061 | 31,019,000 | 23.82% | 0.01% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 1045 | $140.02 | 8,902.1061 | 31,019,000 | 10.51% | 0.00% |
| Dec. 3, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | S | Common Stock | 2280 | $139.10 | 9,947.1061 | 31,019,000 | 18.65% | 0.01% |
| March 2, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | F | Common Stock | 527 | $93.22 | 9,093.1061 | 31,533,000 | 5.48% | 0.00% |
| March 4, 2024 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | A | Common Stock | 3134 | $0.00 | 12,227.1061 | 31,533,000 | 34.47% | 0.01% |
| Nov. 1, 2023 | Dorman Products, Inc. | $DORM | McKnight John | President, Heavy Duty | F | Common Stock | 148 | $65.40 | 9,595.0337 | 31,543,000 | 1.52% | 0.00% |
| March 2, 2023 | Dorman Products, Inc. | $DORM | McKnight John | SVP, Operations | F | Common Stock | 246 | $91.28 | 7,376.0632 | 31,543,000 | 3.23% | 0.00% |
| March 2, 2023 | Dorman Products, Inc. | $DORM | McKnight John | SVP, Operations | A | Common Stock | 1109 | $0.00 | 8,485.0632 | 31,543,000 | 15.04% | 0.00% |
| March 2, 2023 | Dorman Products, Inc. | $DORM | McKnight John | SVP, Operations | A | Common Stock | 1095 | $0.00 | 9,580.0632 | 31,543,000 | 12.91% | 0.00% |
| March 2, 2023 | Dorman Products, Inc. | $DORM | McKnight John | SVP, Operations | A | Employee Stock Option (right to buy) | 2811 | $0.00 | 2,811.0000 | 31,543,000 | 9999.99% | 0.01% |
| Feb. 22, 2023 | Dorman Products, Inc. | $DORM | McKnight John | SVP, Operations | A | Common Stock | 1390 | $0.00 | 8,278.0632 | 31,543,000 | 20.18% | 0.00% |
| Feb. 22, 2023 | Dorman Products, Inc. | $DORM | McKnight John | SVP, Operations | F | Common Stock | 656 | $93.38 | 7,622.0632 | 31,543,000 | 7.92% | 0.00% |