| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/11/2023 | Sigilon Therapeutics, Inc. | | Disposition | Stock Option (Right to Buy) | 683 | $5.00 | $3.4k | | 08/11/2023 |
| 08/11/2023 | Sigilon Therapeutics, Inc. | | Disposition | Stock Option (Right to Buy) | 683 | $6.64 | $4.5k | | 08/11/2023 |
| 06/08/2023 | Sana Biotechnology, Inc. | SANA | Grant | Stock Option (Right to Buy) | 65k | $6.70 | $435.5k | | 06/08/2023 |
| 06/01/2023 | Denali Therapeutics Inc. | DNLI | Grant | Stock Option (right to buy) | 12.6k | $30.92 | $391.1k | | 06/01/2023 |
| 06/01/2023 | Denali Therapeutics Inc. | DNLI | Grant | Common Stock | 4.2k | $0.00 | $0 | | 06/01/2023 |
| 06/21/2022 | Foghorn Therapeutics Inc. | | Grant | Stock Options (Right to buy) | 16k | $13.81 | $221k | | 06/21/2022 |
| 06/06/2022 | Sana Biotechnology, Inc. | SANA | Grant | Stock Option (Right to Buy) | 65k | $4.95 | $321.8k | | 06/06/2022 |
| 06/02/2022 | Denali Therapeutics Inc. | DNLI | Grant | Common Stock | 6k | $0.00 | $0 | | 06/02/2022 |
| 06/02/2022 | Denali Therapeutics Inc. | DNLI | Grant | Stock Option (right to buy) | 18k | $24.27 | $435.9k | | 06/02/2022 |
| 05/26/2022 | Sigilon Therapeutics, Inc. | | Grant | Stock Option (Right to Buy) | 8.9k | $0.76 | $6.8k | | 05/26/2022 |
| 07/13/2021 | Foghorn Therapeutics Inc. | | Grant | Stock Option (right to buy) | 12.5k | $9.40 | $117.8k | | 07/13/2021 |
| 06/24/2021 | Sigilon Therapeutics, Inc. | | Grant | Stock Option (Right to Buy) | 8.9k | $9.97 | $88.6k | | 06/24/2021 |
| 06/02/2021 | Denali Therapeutics Inc. | DNLI | Grant | Common Stock | 2.1k | $0.00 | $0 | | 06/02/2021 |
| 06/02/2021 | Denali Therapeutics Inc. | DNLI | Grant | Stock Option (right to buy) | 6.2k | $63.76 | $396.7k | | 06/02/2021 |
| 06/01/2021 | Denali Therapeutics Inc. | DNLI | Exercise | Restricted Stock Units | 3.3k | $0.00 | $0 | | 06/01/2021 |
| 02/03/2021 | Sana Biotechnology, Inc. | SANA | Grant | Stock Option (Right to Buy) | 14k | $25.00 | $350k | | 02/03/2021 |
| 02/03/2021 | Sana Biotechnology, Inc. | SANA | Grant | Stock Option (Right to Buy) | 23.6k | $25.00 | $589.8k | | 02/03/2021 |
| 06/03/2020 | Denali Therapeutics Inc. | DNLI | Grant | Stock Option (right to buy) | 15.2k | $28.82 | $437.6k | | 06/03/2020 |
| 06/03/2020 | Denali Therapeutics Inc. | DNLI | Grant | Restricted Stock Units | 3.3k | $0.00 | $0 | | 06/03/2020 |
| 05/30/2019 | Denali Therapeutics Inc. | DNLI | Grant | Stock Option (right to buy) | 27.2k | $19.50 | $531.3k | | 05/30/2019 |
| 01/02/2019 | Quanterix Corp | QTRX | Grant | Common Stock | 2.3k | $0.00 | $0 | | 01/02/2019 |
| 01/02/2019 | Quanterix Corp | QTRX | Grant | Stock Option (Right to Buy) | 7.9k | $18.24 | $144.1k | | 01/02/2019 |
| 08/07/2018 | Quanterix Corp | QTRX | Grant | Common Stock | 2.3k | $0.00 | $0 | | 08/07/2018 |
| 08/07/2018 | Quanterix Corp | QTRX | Grant | Stock Option (Right to Buy) | 7.9k | $14.80 | $116.9k | | 08/07/2018 |
| 06/13/2018 | Denali Therapeutics Inc. | DNLI | Grant | Stock Option (right to buy) | 27.8k | $18.92 | $526.5k | | 06/13/2018 |
| 12/07/2017 | Denali Therapeutics Inc. | DNLI | Grant | Stock Option (right to buy) | 47.2k | $18.00 | $849k | | 12/07/2017 |
| 08/17/2017 | Editas Medicine, Inc. | EDIT | Other (acquisition) | Common Stock | 1.7k | $0.00 | $0 | | 08/17/2017 |
| 06/15/2017 | Editas Medicine, Inc. | EDIT | Grant | Stock Option (right to buy) | 11.5k | $15.63 | $180.3k | | 06/15/2017 |
| 08/10/2016 | AGIOS PHARMACEUTICALS, INC. | AGIO | Other (acquisition) | Common Stock | 917 | $0.00 | $0 | | 08/10/2016 |
| 06/21/2016 | AGIOS PHARMACEUTICALS, INC. | AGIO | Grant | Stock option (right to buy) | 8k | $47.33 | $378.6k | | 06/21/2016 |
| 06/23/2015 | AGIOS PHARMACEUTICALS, INC. | AGIO | Grant | Stock Option (right to buy) | 10.6k | $103.63 | $1.1M | | 06/23/2015 |
| 06/23/2014 | AGIOS PHARMACEUTICALS, INC. | AGIO | Other (acquisition) | Common stock | 1.9k | $0.00 | $0 | | 06/23/2014 |
| 05/30/2014 | AGIOS PHARMACEUTICALS, INC. | AGIO | Grant | Stock Option (right to buy) | 12.5k | $35.16 | $439.5k | | 05/30/2014 |
| 05/16/2011 | AVEO PHARMACEUTICALS, INC. | AVEO | Sale | Common Stock | 3k | $17.98 | $53.8k | by AGTC Advisors Fund, L.P. | 05/12/2011 |
| 05/16/2011 | AVEO PHARMACEUTICALS, INC. | AVEO | Sale | Common Stock | 49.5k | $17.98 | $889.9k | by Applied Genomic Technology Capital Fund, L.P. | 05/12/2011 |
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