Company: CSTL
Filing Date: 2025-02-27
Form Type: 10-K
Source: 0001447362-25-000031
Chunk: 112

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-02-27
Form: 10-K
Item: Item 15
Chunk 112
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 Oelschlager, incorporated by reference to Exhibit 10.4 of the Registrant’s Quarterly Report on Form 10-Q filed with the SEC on May 2, 2024.10.23+Amended Participation Agreement, dated April 2, 2024, by and between the Company and Derek Maetzold, incorporated by reference to Exhibit 10.5 of the Registrant’s Quarterly Report on Form 10-Q filed with the SEC on May 2, 2024.10.24+Amended Participation Agreement, dated April 2, 2024, by and between the Company and Frank Stokes, incorporated by reference to Exhibit 10.6 of the Registrant’s Quarterly Report on Form 10-Q filed with the SEC on May 2, 2024.10.25Standard Office Lease, dated as of October 5, 2015, by and between the Registrant and Merced Restart Phoenix Investors II, LLC, incorporated by reference to Exhibit 10.14 of the Registrant’s Registration Statement on Form S-1 (File No. 333-232369), as amended, originally filed with the SEC on June 26, 2019.

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Table of Contents

Exhibit NumberDescription of document10.26First Amendment to Lease, dated December 4, 2018, by and between the Registrant and Alturas Siete I, LLC, incorporated by reference to Exhibit 10.15 of the Registrant's Annual Report on Form 10-K, filed with the SEC on March 10, 2020.10.27Second Amendment to Standard Office Lease, dated December 16, 2019, by and between the Registrant and Alturas Siete I, LLC, incorporated by reference to Exhibit 10.2 of the Registrant’s Current Report on Form 8-K filed with the SEC on December 19, 2019.10.28Third Amendment to Standard Office Lease, dated November 29, 2021, by and between the Company and Alturas Siete, I, LLC, incorporated by reference to Exhibit 10.2 of the Registrant’s Current Report on Form 8-K filed with the SEC on December 3, 2021.10.29†Fourth Amendment to Standard Office Lease, dated March 11, 2022, by and between the Registrant and Alturas Siete I, LLC, incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on