| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Farokhzad Omid | CEO AND CHAIR, Director | C/O SEER, INC., 3800 BRIDGE PARKWAY, SUITE 102, REDWOOD CITY | /s/ David Horn, by power of attorney | 05 Feb 2026 | 0001586852 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SEER | Class A Common Stock | Award | $0 | +697,162 | +26% | $0.000000 | 3,373,449 | 03 Feb 2026 | Direct | F1 |
| holding | SEER | Class A Common Stock | 2,117,138 | 03 Feb 2026 | See footnote | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SEER | Employee Stock Option (right to buy) | Award | $0 | +512,000 | $0.000000 | 512,000 | 03 Feb 2026 | Class A Common Stock | 512,000 | $1.79 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | The reported shares are represented by restricted stock units, or RSUs, which vest in 16 equal quarterly installments beginning on May 15, 2026. |
| F2 | The reported shares are held of record by SAF-BND Trust for which the reporting person's spouse serves as trustee. The reporting person disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. |
| F3 | One-fourth of the shares subject to the option vest on February 3, 2027 and 1/48th of the shares vest monthly thereafter. |