| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SILK | Common Stock | Options Exercise | $71,041 | +5,847 | +3.1% | $12.15 | 192,655 | 27 Aug 2021 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | $317,960 | -5,847 | -3% | $54.38 | 186,808 | 27 Aug 2021 | Direct | F1, F2 |
| transaction | SILK | Common Stock | Sale | $225,841 | -4,153 | -2.2% | $54.38 | 182,655 | 27 Aug 2021 | Direct | F2, F3 |
| holding | SILK | Common Stock | 13,518 | 27 Aug 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 | -5,847 | -23% | $0.000000 | 20,000 | 27 Aug 2021 | Common Stock | 5,847 | $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. |