| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cavanagh Bethany J | SVP, Finance and Treasurer | C/O BEAM THERAPEUTICS INC.,, 238 MAIN STREET, CAMBRIDGE | By: /s/ Christine Bellon, Attorney-in-fact | 02 Feb 2026 | 0002033155 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BEAM | Stock Option (Right to Buy) | Award | $0 | +40,000 | $0.000000 | 40,000 | 31 Jan 2026 | Common Stock | 40,000 | $27.62 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This stock option vests in equal monthly installments each month following the date of grant for the subsequent 48 months, subject to the Reporting Person's continued service with Beam Therapeutics Inc. through each vesting date. |