| 2018-04-09 | Sale | Simpson Manufacturing Co., Inc. SSD | 200 0.0004% | $57.05 | $11,411 | +8.18% | ||
| 2018-04-06 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 7,915 0.0172% | $57.32 | $453,704 | +7.01% | |
| 2018-04-05 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 22,773 0.0491% | $57.97 | $1.32M | +4.64% | |
| 2018-04-04 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 21,553 0.0465% | $57.35 | $1.24M | +5.68% | |
| 2018-04-02 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 7,330 0.0163% | $57.20 | $419,298 | +9.83% | |
| 2018-03-29 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 84,838 0.1823% | $57.68 | $4.89M | +5.73% | |
| 2018-03-28 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 42,362 0.0911% | $57.14 | $2.42M | +6.82% | |
| 2018-03-27 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 29,310 0.0633% | $57.27 | $1.68M | +7.1% | |
| 2018-03-26 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 100,000 0.2145% | $57.50 | $5.75M | +5.87% | |
| 2018-02-27 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 84,076 0.1826% | $57.65 | $4.85M | +6.59% | |
| 2018-02-26 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 55,100 0.1181% | $58.50 | $3.22M | +3.66% | |
| 2018-02-22 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 1,267 0.0027% | $57.94 | $73,409 | +4.66% | |
| 2018-02-21 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 29,107 0.0628% | $57.77 | $1.68M | +5.42% | |
| 2018-02-20 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 21,840 0.0471% | $57.34 | $1.25M | +6.11% | |
| 2018-02-16 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 26,000 0.0559% | $57.72 | $1.5M | +5.04% | |
| 2018-02-15 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 33,815 0.0728% | $57.63 | $1.95M | +5.3% | |
| 2018-02-01 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 23,447 0.0503% | $59.09 | $1.39M | +2% | |
| 2018-01-31 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 22,094 0.0477% | $59.07 | $1.31M | +2.53% | |
| 2018-01-30 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 50,125 0.1077% | $59.12 | $2.96M | +1.82% | |
| 2018-01-29 | Sale | Simpson Manufacturing Co., Inc. SSD | 10 percent owner | 33,400 0.0717% | $59.77 | $2M | +0.58% |