| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CSTL | Common Stock | Sale | -$168K | -8.38K | -6.43% | $20.04 | 122K | Jul 7, 2023 | Direct | F1, F2, F3 |
| transaction | CSTL | Common Stock | Sale | -$83.9K | -4.19K | -3.73% | $20.04 | 108K | Jul 7, 2023 | By The Maetzold Descendants 2020 Trust | F1, F2, F4 |
| transaction | CSTL | Common Stock | Sale | -$83.9K | -4.19K | -4.14% | $20.04 | 96.9K | Jul 7, 2023 | By Derek Maetzold 2020 Irrevocable Trust | F1, F2, F5 |
| transaction | CSTL | Common Stock | Sale | -$41.9K | -2.09K | -10.71% | $20.04 | 17.4K | Jul 7, 2023 | By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk | F1, F2, F6 |
| transaction | CSTL | Common Stock | Sale | -$41.9K | -2.09K | -10.71% | $20.04 | 17.4K | Jul 7, 2023 | By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold | F1, F2, F7 |
| transaction | CSTL | Common Stock | Sale | -$41.9K | -2.09K | -10.71% | $20.04 | 17.4K | Jul 7, 2023 | By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold | F1, F2, F8 |
| transaction | CSTL | Common Stock | Sale | -$41.9K | -2.09K | -10.71% | $20.04 | 17.4K | Jul 7, 2023 | By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold | F1, F2, F9 |
| holding | CSTL | Common Stock | 149K | Jul 7, 2023 | By DJM Grantor Retained Annuity Trust No. 5 | F3, F10 |
| Id | Content |
|---|---|
| F1 | These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on December 12, 2022. |
| F2 | This transaction was executed in multiple trades at prices ranging from $20.000 to $20.205, 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. |
| F3 | On June 6, 2023, the DJM Grantor Retained Annuity Trust No. 4 made an annuity payment to the Reporting Person and transferred to the Reporting Person a total of 130,000 shares of Castle Biosciences, Inc. common stock. Also on June 6, 2023, the Reporting Person transferred 149,000 shares of Castle Biosciences, Inc. common stock to the DJM Grantor Retained Annuity Trust No. 5 of which the Reporting Person is trustee and beneficiary. |
| F4 | Held by The Maetzold Descendants 2020 Trust of which the Reporting Person's spouse is the trustee and the Reporting Person's spouse and their children are beneficiaries. |
| F5 | Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries. |
| F6 | Held by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk of which the Reporting Person is the trustee and his child is the beneficiary. |
| F7 | Held by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. |
| F8 | Held by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. |
| F9 | Held by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold of which the Reporting Person is the trustee and his child is the beneficiary. |
| F10 | Held by DJM Grantor Retained Annuity Trust No. 5 of which the Reporting Person is the trustee and beneficiary. |