| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SILK | Common Stock | Options Exercise | $72,000 | +45,000 | +23% | $1.60* | 236,527 | 17 Jan 2023 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | $2,460,622 | -45,000 | -19% | $54.68 | 191,527 | 17 Jan 2023 | Direct | F1, F2 |
| transaction | SILK | Common Stock | Options Exercise | $20,426 | +12,766 | +6.7% | $1.60* | 204,293 | 19 Jan 2023 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | $681,736 | -12,766 | -6.2% | $53.40 | 191,527 | 19 Jan 2023 | Direct | F1, F3 |
| transaction | SILK | Common Stock | Options Exercise | $515,240 | +25,762 | +13% | $20.00 | 217,289 | 19 Jan 2023 | Direct | F1 |
| transaction | SILK | Common Stock | Sale | $1,375,755 | -25,762 | -12% | $53.40 | 191,527 | 19 Jan 2023 | Direct | F1, F3 |
| transaction | SILK | Common Stock | Sale | $145,041 | -2,716 | -1.4% | $53.40 | 188,811 | 19 Jan 2023 | Direct | F3, F4 |
| holding | SILK | Common Stock | 13,518 | 17 Jan 2023 | Buchanan Grandchildren's Irrevocable Trust | F5 |
| 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 | -45,000 | -69% | $0.000000 | 20,409 | 17 Jan 2023 | Common Stock | 45,000 | $1.60 | Direct | F1, F6 |
| transaction | SILK | Option (right to buy) | Options Exercise | $0 | -12,766 | -63% | $0.000000 | 7,643 | 19 Jan 2023 | Common Stock | 12,766 | $1.60 | Direct | F1, F6 |
| transaction | SILK | Option (right to buy) | Options Exercise | $0 | -25,762 | -78% | $0.000000 | 7,331 | 19 Jan 2023 | Common Stock | 25,762 | $20.00 | Direct | F1, F7 |
| 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 December 13, 2022. |
| F2 | This transaction was executed in multiple trades at price ranging from $53.79 to $57.20. 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 | This transaction was executed in multiple trades at price ranging from $52.68 to $54.71. 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. |
| F4 | The sale reported on this Form 4 were effected pursuant to Rule 10b5-1 Trading Plan adopted by the reporting person on December 13, 2022. |
| F5 | These shares are held directly by the Buchanan Grandchildren's Irrevocable Trust, for which the Reporting Person serves as a co-trustee. |
| F6 | All of the shares subject to this option are fully vested and exercisable as of the date hereof. |
| F7 | One forty-eighth of the shares subject to the option shall vest on May 3, 2019 and each month thereafter, subject to the Reporting Person continuing as a service provider through each such date. |