| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Horn David R. | PRESIDENT & CFO | C/O SEER, INC., 3800 BRIDGE PARKWAY, SUITE 102, REDWOOD CITY | /s/ David R. Horn | 21 Aug 2025 | 0001834217 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SEER | Class A Common Stock | Sale | $13,955 | -6,827 | -1.5% | $2.04 | 436,802 | 20 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs. |