| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 04/01/2022 | Epizyme, Inc. | EPZM | Grant | Stock Option (Right to Buy) | 800k | $1.14 | $912k | | 04/01/2022 |
| 02/28/2022 | Kaleido Biosciences, Inc. | KLDO | Payment of Exercise | Restricted Stock Units | 2k | $1.49 | $3k | | 02/28/2022 |
| 01/14/2022 | Kaleido Biosciences, Inc. | KLDO | Grant | Restricted Stock Units | 250k | $0.00 | $0 | | 01/14/2022 |
| 01/14/2022 | Kaleido Biosciences, Inc. | KLDO | Grant | Restricted Stock Units | 45.2k | $0.00 | $0 | | 01/14/2022 |
| 09/01/2021 | Kaleido Biosciences, Inc. | KLDO | Grant | Stock Option (Right to Buy) | 100k | $6.29 | $629k | | 09/01/2021 |
| 03/01/2021 | Kaleido Biosciences, Inc. | KLDO | Grant | Stock Option (Right to Buy) | 60k | $9.81 | $588.6k | | 03/01/2021 |
| 10/15/2020 | Kaleido Biosciences, Inc. | KLDO | Grant | Stock Option (Right to Buy) | 45k | $8.69 | $391k | | 10/15/2020 |
| 04/15/2020 | Kaleido Biosciences, Inc. | KLDO | Grant | Stock Option (Right to Buy) | 45k | $6.00 | $270k | | 04/15/2020 |
| 02/28/2020 | Kaleido Biosciences, Inc. | KLDO | Grant | Restricted Stock Units | 6.6k | $0.00 | $0 | | 02/28/2020 |
| 11/15/2019 | Kaleido Biosciences, Inc. | KLDO | Grant | Stock Option (Right to Buy) | 75k | $6.56 | $492k | | 11/15/2019 |
| 07/31/2019 | Kaleido Biosciences, Inc. | KLDO | Grant | Stock Option (Right to Buy) | 180k | $7.67 | $1.4M | | 07/31/2019 |