| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Grant | Common Stock | 3.5k | $0.00 | $0 | | 03/01/2021 |
| 03/01/2021 | Acacia Communications, Inc. | ACIA | Disposition | Common Stock | 26.3k | $0.00 | $0 | | 03/01/2021 |
| 12/21/2020 | Acacia Communications, Inc. | ACIA | Sale | | 126 | $70.67 | $8.9k | | 12/18/2020 |
| 12/18/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 102 | $70.66 | $7.2k | | 12/18/2020 |
| 12/18/2020 | Acacia Communications, Inc. | ACIA | Sale | | 194 | $70.66 | $13.7k | | 12/18/2020 |
| 12/02/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 120 | $69.81 | $8.4k | | 12/02/2020 |
| 10/05/2020 | Acacia Communications, Inc. | ACIA | Sale | | 2.8k | $67.33 | $188.8k | | 10/02/2020 |
| 10/02/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 2.2k | $66.97 | $148.9k | | 10/02/2020 |
| 09/21/2020 | Acacia Communications, Inc. | ACIA | Sale | | 145 | $68.30 | $9.9k | | 09/18/2020 |
| 09/18/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 82 | $68.41 | $5.6k | | 09/18/2020 |
| 09/18/2020 | Acacia Communications, Inc. | ACIA | Sale | | 195 | $68.41 | $13.3k | | 09/18/2020 |
| 09/02/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 120 | $67.51 | $8.1k | | 09/02/2020 |
| 08/17/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 936 | $67.96 | $63.6k | | 08/17/2020 |
| 06/18/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 82 | $68.00 | $5.6k | | 06/18/2020 |
| 06/02/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 599 | $67.50 | $40.4k | | 06/02/2020 |
| 04/03/2020 | Acacia Communications, Inc. | ACIA | Sale | | 2k | $66.55 | $130.8k | | 04/02/2020 |
| 04/02/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 1.6k | $66.10 | $102.9k | | 04/02/2020 |
| 03/19/2020 | Acacia Communications, Inc. | ACIA | Sale | | 144 | $61.87 | $8.9k | | 03/18/2020 |
| 03/18/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 83 | $62.45 | $5.2k | | 03/18/2020 |
| 03/03/2020 | Acacia Communications, Inc. | ACIA | Sale | | 176 | $68.54 | $12.1k | | 03/02/2020 |
| 03/02/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 138 | $68.50 | $9.5k | | 03/02/2020 |
| 01/03/2020 | Acacia Communications, Inc. | ACIA | Sale | | 606 | $67.80 | $41.1k | | 01/02/2020 |
| 01/02/2020 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 331 | $67.80 | $22.4k | | 01/02/2020 |
| 12/19/2019 | Acacia Communications, Inc. | ACIA | Sale | | 125 | $67.45 | $8.4k | | 12/18/2019 |
| 12/18/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 102 | $67.19 | $6.9k | | 12/18/2019 |
| 12/03/2019 | Acacia Communications, Inc. | ACIA | Sale | | 174 | $66.40 | $11.6k | | 12/02/2019 |
| 12/02/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 141 | $66.62 | $9.4k | | 12/02/2019 |
| 12/02/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 236 | $66.93 | $15.8k | | 12/02/2019 |
| 10/23/2019 | Acacia Communications, Inc. | ACIA | Sale | | 691 | $64.65 | $44.7k | | 10/22/2019 |
| 10/22/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 559 | $64.89 | $36.3k | | 10/22/2019 |
| 09/19/2019 | Acacia Communications, Inc. | ACIA | Sale | | 126 | $64.67 | $8.1k | | 09/18/2019 |
| 09/18/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 102 | $64.62 | $6.6k | | 09/18/2019 |
| 09/13/2019 | Acacia Communications, Inc. | ACIA | Sale | | 174 | $64.28 | $11.2k | | 09/13/2019 |
| 09/03/2019 | Acacia Communications, Inc. | ACIA | Sale | Common Stock | 141 | $62.91 | $8.9k | | 09/03/2019 |
| 08/09/2019 | Acacia Communications, Inc. | ACIA | Exercise | Stock option (right to buy) | 834 | $4.18 | $3.5k | | 08/09/2019 |
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