| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Grant | Common Stock | 11.5k | $0.00 | $0 | | 03/01/2021 |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Disposition | Common Stock | 11.5k | $0.00 | $0 | | 03/01/2021 |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Disposition | Common Stock | 847.5k | $115.00 | $97.5M | | 03/01/2021 |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Disposition | Common Stock | 19.2k | $0.00 | $0 | | 03/01/2021 |
| 02/02/2021 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 4.3k | $114.45 | $489.7k | | 02/02/2021 |
| 01/19/2021 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.9k | $114.44 | $448.7k | | 01/15/2021 |
| 01/15/2021 | Acacia Communications, Inc. | ACIA | Grant | Common Stock | 8.7k | $0.00 | $0 | | 01/15/2021 |
| 05/13/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 5.6k | $68.25 | $380.5k | | 05/13/2020 |
| 03/18/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.4k | $62.45 | $148.9k | | 03/18/2020 |
| 02/03/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.9k | $67.96 | $198.9k | | 02/03/2020 |
| 08/14/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.7k | $64.41 | $176.2k | | 08/14/2019 |
| 05/14/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.7k | $51.80 | $141.2k | | 05/13/2019 |
| 05/13/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 5.9k | $52.38 | $308.6k | | 05/13/2019 |
| 03/19/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.4k | $56.05 | $135.2k | | 03/19/2019 |
| 02/14/2019 | Acacia Communications, Inc. | ACIA | Grant | Common Stock | 15.8k | $0.00 | $0 | | 02/14/2019 |
| 02/14/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 1.8k | $43.38 | $78.5k | | 02/14/2019 |
| 02/04/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 1.8k | $42.34 | $76.5k | | 02/04/2019 |
| 11/14/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.7k | $43.93 | $119.8k | | 11/14/2018 |
| 08/14/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.7k | $39.32 | $106.5k | | 08/14/2018 |
| 05/14/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 5.2k | $35.94 | $186.3k | | 05/14/2018 |
| 03/19/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 1.7k | $42.06 | $73.6k | | 03/19/2018 |
| 02/14/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 1.9k | $38.48 | $73.1k | | 02/14/2018 |
| 02/07/2018 | Acacia Communications, Inc. | ACIA | Grant | Common Stock | 22.6k | $0.00 | $0 | | 02/07/2018 |
| 11/14/2017 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.9k | $36.40 | $105.6k | | 11/14/2017 |
| 03/17/2017 | Acacia Communications, Inc. | ACIA | Grant | Common Stock | 22.7k | $0.00 | $0 | | 03/17/2017 |