| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 01/24/2023 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock | 2.7k | $0.00 | $0 | | 01/24/2023 |
| 08/10/2022 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2.5k | $100.00 | $250k | | 08/10/2022 |
| 07/11/2022 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2.5k | $102.39 | $256k | | 07/11/2022 |
| 06/10/2022 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2.5k | $107.02 | $267.6k | | 06/10/2022 |
| 02/15/2022 | Simpson Manufacturing Co., Inc. | SSD | Payment of Exercise | Common Stock | 7.6k | $117.37 | $894.4k | | 02/15/2022 |
| 02/15/2022 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock | 15k | $0.00 | $0 | | 02/15/2022 |
| 01/20/2022 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock | 1.6k | $0.00 | $0 | | 01/20/2022 |
| 01/18/2022 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $127.71 | $255.4k | | 01/18/2022 |
| 12/15/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $128.00 | $256k | | 12/15/2021 |
| 11/15/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $120.00 | $240k | | 11/15/2021 |
| 10/15/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $117.36 | $234.7k | | 10/15/2021 |
| 09/01/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $113.44 | $226.9k | | 09/01/2021 |
| 05/03/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $113.49 | $227k | | 05/03/2021 |
| 04/01/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $103.50 | $207k | | 04/01/2021 |
| 03/01/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 1.4k | $100.30 | $140.4k | | 03/01/2021 |
| 03/01/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 5.6k | $99.77 | $558.7k | | 03/01/2021 |
| 02/16/2021 | Simpson Manufacturing Co., Inc. | SSD | Payment of Exercise | Common Stock | 5.2k | $95.53 | $501.4k | | 02/16/2021 |
| 02/16/2021 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock | 10.8k | $0.00 | $0 | | 02/16/2021 |
| 02/01/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 2k | $93.11 | $186.2k | | 02/01/2021 |
| 01/22/2021 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock | 2.1k | $0.00 | $0 | | 01/22/2021 |
| 01/04/2021 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 10k | $94.84 | $948.4k | | 01/04/2021 |
| 12/07/2020 | Simpson Manufacturing Co., Inc. | SSD | Sale | Common Stock | 12k | $90.48 | $1.1M | | 12/07/2020 |
| 02/15/2020 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock | 22.6k | $0.00 | $0 | | 02/15/2020 |
| 02/15/2020 | Simpson Manufacturing Co., Inc. | SSD | Payment of Exercise | Common Stock | 11.5k | $85.25 | $979.9k | | 02/15/2020 |
| 02/13/2020 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock | 1.4k | $0.00 | $0 | | 02/13/2020 |
| 02/15/2019 | Simpson Manufacturing Co., Inc. | SSD | Grant | | 5.3k | $0.00 | $0 | | 02/15/2019 |
| 02/15/2019 | Simpson Manufacturing Co., Inc. | SSD | Grant | | 2k | $0.00 | $0 | | 02/15/2019 |
| 02/15/2018 | Simpson Manufacturing Co., Inc. | SSD | Grant | Performance stock units | 5k | $0.00 | $0 | | 02/15/2018 |
| 02/15/2018 | Simpson Manufacturing Co., Inc. | SSD | Grant | | 1.9k | $0.00 | $0 | | 02/15/2018 |
| 02/04/2017 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock (PRSUs awarded February 4, 2017) | 12.8k | $43.42 | $554.2k | | 02/04/2017 |
| 02/04/2017 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock (RSUs awarded February 4, 2017) | 6.4k | $43.42 | $276.7k | | 02/04/2017 |
| 02/02/2015 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock (RSUs awarded February 2, 2015) | 5.3k | $32.64 | $173.4k | | 02/02/2015 |
| 02/03/2014 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock (RSUs awarded February 3, 2014) | 5.7k | $32.60 | $185.2k | | 02/03/2014 |
| 02/06/2013 | Simpson Manufacturing Co., Inc. | SSD | Grant | Common Stock (RSUs awarded February 6, 2013) | 3.3k | $31.96 | $104.9k | | 02/06/2013 |