secwatch.observer — SEC 8-K summary ====================================== Issuer: CASTLE BIOSCIENCES INC (CSTL) CIK: 0001447362 Form: 8-K Filed at: 2021-12-03T23:59:59+00:00 Accession: 0001447362-21-000262 Event type: other_material Sentiment: neutral Materiality: 0.35 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Castle Biosciences extends Phoenix office leases through April 2033, adds 2,564 sq ft -------------------------------------------------------------------------------- - 3707 Lease amended: term extended 61 months to April 2033; premises expanded by 2,564 sq ft to 17,752 total. - Base rent at 3707 starts at $20.50/sq ft/year ($30,326.33/mo) with annual $0.50/sq ft increases. - 3737 Lease amended: term extended 69 months to April 2033; base rent unchanged until Aug 2027 then $23.50/sq ft/year. - Rent abatement for first full calendar month after 3707 expansion commencement. - Lease amendments involve two properties with Landlord Alturas Siete I and II, LLC. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1447362/000144736221000262/0001447362-21-000262-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1447362/000144736221000262/cstl-20211129.htm HTML page: https://secwatch.observer/filing/0001447362-21-000262 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer