| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CSTL | Common Stock | Options Exercise | $27,724 | +11,600 | +196% | $2.39* | 17,520 | 15 Jun 2021 | Direct | F1, F2 |
| transaction | CSTL | Common Stock | Sale | $847,032 | -11,600 | -66% | $73.02 | 5,920 | 15 Jun 2021 | Direct | F1, F3 |
| transaction | CSTL | Common Stock | Options Exercise | $5,084 | +2,127 | +36% | $2.39* | 8,047 | 16 Jun 2021 | Direct | F1 |
| transaction | CSTL | Common Stock | Sale | $155,420 | -2,127 | -26% | $73.07 | 5,920 | 16 Jun 2021 | Direct | F1, F4 |
| transaction | CSTL | Common Stock | Options Exercise | $3,042 | +1,273 | +22% | $2.39* | 7,193 | 17 Jun 2021 | Direct | F1 |
| transaction | CSTL | Common Stock | Sale | $92,929 | -1,273 | -18% | $73.00 | 5,920 | 17 Jun 2021 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CSTL | Stock option (right to buy) | Options Exercise | $0 | -11,600 | -29% | $0.000000 | 28,537 | 15 Jun 2021 | Common Stock | 11,600 | $2.39 | Direct | F1, F5 |
| transaction | CSTL | Stock option (right to buy) | Options Exercise | $0 | -2,127 | -7.5% | $0.000000 | 26,410 | 16 Jun 2021 | Common Stock | 2,127 | $2.39 | Direct | F1, F5 |
| transaction | CSTL | Stock option (right to buy) | Options Exercise | $0 | -1,273 | -4.8% | $0.000000 | 25,137 | 17 Jun 2021 | Common Stock | 1,273 | $2.39 | Direct | F1, F5 |
| Id | Content |
|---|---|
| F1 | These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on May 14, 2021. |
| F2 | Includes 2,034 shares acquired on February 26, 2021 under the Issuer's employee stock purchase plan. |
| F3 | This transaction was executed in multiple trades at prices ranging from $73.00 to $73.13, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission 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 | This transaction was executed in multiple trades at prices ranging from $73.00 to $73.33, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission 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. |
| F5 | The option is exercisable immediately, in whole or in part, conditioned upon the Reporting Person entering into a restricted stock purchase agreement with respect to any unvested shares. 25% of the 133,137 shares originally subject to the option vested on December 4, 2018, and the remaining shares vest in 36 equal monthly installments thereafter. |