| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CERS | Common Stock | Options Exercise | $69,756 | +19,059 | +11% | $3.66 | 200,335 | 03 Jan 2022 | Direct | F1 |
| transaction | CERS | Common Stock | Sale | $133,417 | -19,059 | -9.5% | $7.00 | 181,276 | 03 Jan 2022 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CERS | Option (Right to Buy) | Options Exercise | -19,059 | -11% | 150,941 | 03 Jan 2022 | Common Stock | 19,059 | $3.66 | Direct | F3, F4 |
| Id | Content |
|---|---|
| F1 | This transaction was executed pursuant to a 10b5-1 plan. |
| F2 | This transaction was executed pursuant to a 10b5-1 plan. The sales occurred in multiple trades at prices ranging from $7.000 to $7.005. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |
| F3 | One eighth (1/8th) of the shares subject to the Option vested six (6) months after the grant date, and one forty-eighth (1/48th) of the shares subject to the Option vested each month thereafter. |
| F4 | Not applicable. |