| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SILK | Common Stock | Options Exercise | $71K | +5.85K | +3.13% | $12.15 | 193K | Aug 27, 2021 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | -$318K | -5.85K | -3.03% | $54.38 | 187K | Aug 27, 2021 | Direct | F1, F2 |
| transaction | SILK | Common Stock | Sale | -$226K | -4.15K | -2.22% | $54.38 | 183K | Aug 27, 2021 | Direct | F2, F3 |
| holding | SILK | Common Stock | 13.5K | Aug 27, 2021 | Buchanan Grandchildren's Irrevocable Trust | F4 |
| 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 | -5.85K | -22.62% | $0.00 | 20K | Aug 27, 2021 | Common Stock | 5.85K | $12.15 | Direct | F1, F5 |
| 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 $53.67 to $55.00. 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 | The sale reported on this Form 4 were effected pursuant to Rule 10b5-1 Trading Plan adopted by the reporting person on September 11, 2020. |
| F4 | These shares are held directly by the Buchanan Grandchildren's Irrevocable Trust, for which the Reporting Person serves as a co-trustee. |
| F5 | All of the shares subject to this option are fully vested and exercisable as of the date hereof. |