| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SILK | Common Stock | Options Exercise | $17,846 | +3,773 | +5.4% | $4.73 | 74,028 | 01 Oct 2021 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | $203,373 | -3,773 | -5.1% | $53.90 | 70,255 | 01 Oct 2021 | Direct | F1, F2 |
| transaction | SILK | Common Stock | Options Exercise | $12,066 | +2,551 | +3.6% | $4.73 | 72,806 | 01 Oct 2021 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | $137,505 | -2,551 | -3.5% | $53.90 | 70,255 | 01 Oct 2021 | Direct | F1, F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SILK | Option (right to buy) | Options Exercise | $0 | -3,773 | -5.6% | $0.000000 | 63,196 | 01 Oct 2021 | Common Stock | 3,773 | $4.73 | Direct | F1, F3 |
| transaction | SILK | Option (right to buy) | Options Exercise | $0 | -2,551 | -8.5% | $0.000000 | 27,405 | 01 Oct 2021 | Common Stock | 2,551 | $4.73 | Direct | F1, F3 |
| Id | Content |
|---|---|
| F1 | The option exercise and sale reported on this Form 4 were effected pursuant to Rule 10b5-1 Trading Plan adopted by the reporting person on September 11, 2020. |
| F2 | This transaction was executed in multiple trades at price ranging from $52.94 to $54.63. The price reported above reflects the weighted average sale 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 | All of the shares subject to this option are fully vested and exercisable as of the date hereof. |