| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CERS | Common Stock | Options Exercise | $356,250 | +95,000 | +62% | $3.75 | 248,740 | 03 Nov 2021 | Direct | F1 |
| transaction | CERS | Common Stock | Sale | $571,305 | -81,615 | -33% | $7.00 | 167,125 | 03 Nov 2021 | Direct | F2, F3 |
| transaction | CERS | Common Stock | Sale | $98,882 | -14,126 | -8.5% | $7.00 | 152,999 | 03 Nov 2021 | Direct | F1 |
| 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 | -95,000 | -100% | 0 | 03 Nov 2021 | Common Stock | 95,000 | $3.75 | Direct | F4, F5 |
| Id | Content |
|---|---|
| F1 | This transaction was executed pursuant to a 10b5-1 plan. |
| F2 | This transaction was executed pursuant to a 10b5-1 plan. Includes shares required to be sold to cover commission and mandatory tax withholdings on the "sell to cover" transaction described above and does not represent a discretionary sale by the reporting person. |
| F3 | The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.01 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the aforementioned range set forth. |
| F4 | 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. |
| F5 | Not applicable. |