| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 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 | Grant | Common Stock | 11.5k | $0.00 | $0 | | 03/01/2021 |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Disposition | Stock option (right to buy) | 39.5k | $0.41 | $16.2k | | 03/01/2021 |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Disposition | Common Stock | 19.2k | $0.00 | $0 | | 03/01/2021 |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Disposition | Common Stock | 511.7k | $115.00 | $58.9M | | 03/01/2021 |
| 02/02/2021 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 5.3k | $114.45 | $607.3k | | 02/02/2021 |
| 01/19/2021 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 4.8k | $114.44 | $551.3k | | 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 | 6.9k | $68.25 | $471.9k | | 05/13/2020 |
| 03/18/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.2k | $62.45 | $200.8k | | 03/18/2020 |
| 02/03/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 5.3k | $67.96 | $362k | | 02/03/2020 |
| 08/14/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.4k | $64.41 | $218.3k | | 08/14/2019 |
| 06/03/2019 | Acacia Communications, Inc. | ACIA | Sale | | 12k | $46.77 | $561.2k | | 06/03/2019 |
| 06/03/2019 | Acacia Communications, Inc. | ACIA | Exercise | Stock option (right to buy) | 12k | $0.41 | $4.9k | | 06/03/2019 |
| 05/15/2019 | Acacia Communications, Inc. | ACIA | Sale | | 6.6k | $52.25 | $346.4k | | 05/15/2019 |
| 05/15/2019 | Acacia Communications, Inc. | ACIA | Sale | | 5.4k | $52.91 | $284.1k | | 05/15/2019 |
| 05/14/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.4k | $51.80 | $174.7k | | 05/13/2019 |
| 05/13/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 7.3k | $52.38 | $381.9k | | 05/13/2019 |
| 03/19/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3k | $56.05 | $170.5k | | 03/19/2019 |
| 03/07/2019 | Acacia Communications, Inc. | ACIA | Sale | | 6.2k | $53.06 | $329k | | 03/06/2019 |
| 03/07/2019 | Acacia Communications, Inc. | ACIA | Sale | | 6.3k | $53.74 | $337k | | 03/06/2019 |
| 03/06/2019 | Acacia Communications, Inc. | ACIA | Exercise | Stock option (right to buy) | 20k | $0.41 | $8.2k | | 03/06/2019 |
| 03/06/2019 | Acacia Communications, Inc. | ACIA | Sale | | 59k | $53.17 | $3.1M | | 03/06/2019 |
| 03/06/2019 | Acacia Communications, Inc. | ACIA | Sale | | 8.6k | $53.76 | $459.7k | | 03/06/2019 |
| 02/14/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.4k | $43.38 | $146.6k | | 02/14/2019 |
| 02/14/2019 | Acacia Communications, Inc. | ACIA | Grant | Common Stock | 15.8k | $0.00 | $0 | | 02/14/2019 |
| 02/04/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.2k | $42.34 | $133.7k | | 02/04/2019 |
| 11/14/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.4k | $43.93 | $148.1k | | 11/14/2018 |
| 08/14/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.3k | $39.32 | $131.7k | | 08/14/2018 |
| 05/14/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 9k | $35.94 | $322.6k | | 05/14/2018 |
| 03/19/2018 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 3.3k | $42.06 | $137.3k | | 03/19/2018 |
| 03/13/2018 | Acacia Communications, Inc. | ACIA | Sale | | 20k | $44.19 | $883.8k | | 03/13/2018 |
| 03/13/2018 | Acacia Communications, Inc. | ACIA | Exercise | Stock option (right to buy) | 20k | $0.41 | $8.2k | | 03/13/2018 |
| 03/12/2018 | Acacia Communications, Inc. | ACIA | Exercise | Stock option (right to buy) | 8k | $0.41 | $3.3k | | 03/12/2018 |
| 03/12/2018 | Acacia Communications, Inc. | ACIA | Sale | | 8k | $43.84 | $350.7k | | 03/12/2018 |
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