Company: CSTL
Filing Date: 2025-08-04
Form Type: 10-Q
Source: 0001447362-25-000097
Chunk: 96

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-08-04
Form: 10-Q
Item: Item 1A
Chunk 96
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 Juvenal.10.7*^Amended Participation Agreement, dated June 20, 2025 by and between the Registrant and Kristen Oelschlager.31.1*Certification of Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) of the Exchange Act.31.2*Certification of Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) of the Exchange Act.32.1**Certification of Principal Executive Officer and Principal Financial Officer pursuant to Rules 13a-14(b) or 15d-14(b) of the Exchange Act, and 18 U.S.C. Section 1350.101.INS*Inline XBRL Instance Document—the instance document does not appear in the Interactive Data File as its XBRL tags are embedded within the Inline XBRL document.101.SCH*Inline XBRL Taxonomy Extension Schema.101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase.101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase.101.LAB*Inline XBRL Taxonomy Extension Label Linkbase.101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase.104*Cover Page Interactive Data File (embedded within the Inline XBRL and contained in Exhibit 101).

_____________________________________

*    Filed herewith

**    Furnished herewith

^    Indicates management contract or compensatory plan.

#    Certain schedules or exhibits have been omitted pursuant to Item 601(a)(5) of Regulation S-K. A copy of any omitted schedule or exhibit will be furnished to the SEC upon request; provided, however, that we may request confidential treatment pursuant to Rule 24b-2 of the Exchange Act for any schedule or exhibit so furnished.

+    Pursuant to Item 601(b)(10) of Regulation S-K, certain portions of this exhibit have been omitted (indicated by “[***]”) because the Company has determined that the information is not material and is the type that the Company treats as private or confidential.

53

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 CASTLE BIOSCIENCES, INC.   Date:August 4, 2025By:/s/ Derek J. Maetzold Derek J