| 2021-03-10 | Sale | Douglas Dynamics, Inc. PLOW | President-Work Truck Solutions | 1,824 0.008% | $49.29 | $89,899 | -17.88% | |
| 2020-03-06 | Sale | Douglas Dynamics, Inc. PLOW | President-Work Truck Solutions | 1,174 0.0051% | $39.85 | $46,785 | -7.56% | |
| 2018-08-17 | Sale | Douglas Dynamics, Inc. PLOW | President - Henderson Products | 1,200 0.0053% | $43.30 | $51,960 | -9.35% | |
| 2018-03-06 | Sale | Douglas Dynamics, Inc. PLOW | President - Henderson Products | 1,438 0.0063% | $43.49 | $62,532 | +0.12% |