| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SILK | Common Stock | Options Exercise | $47.3K | +10K | +5.56% | $4.73 | 190K | Nov 16, 2021 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | -$503K | -10K | -5.26% | $50.32 | 180K | Nov 16, 2021 | Direct | F1, F2 |
| holding | SILK | Common Stock | 13.5K | Nov 16, 2021 | Buchanan Grandchildren's Irrevocable Trust | F3 |
| 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 | -10K | -50.65% | $0.00 | 9.74K | Nov 16, 2021 | Common Stock | 10K | $4.73 | Direct | F1, F4 |
| 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 3, 2021. |
| F2 | This transaction was executed in multiple trades at price ranging from $50.00 to $50.64. 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 | These shares are held directly by the Buchanan Grandchildren's Irrevocable Trust, for which the Reporting Person serves as a co-trustee. |
| F4 | All of the shares subject to this option are fully vested and exercisable as of the date hereof. |