Castle Biosciences(CSTL) - 2025 Q1 - Quarterly Report

Revenue Generation - Castle Biosciences primarily generates revenue from its DecisionDx-Melanoma and DecisionDx-SCC tests, with additional contributions from TissueCypher and DecisionDx-UM tests[111]. - The reimbursement rate for DecisionDx-Melanoma is set at $7,193 per test for 2024 and 2025, based on median private payor rates[125]. - DecisionDx-SCC has a list price of $8,500 per test, effective from April 1, 2024, through December 31, 2025[128]. - The rate for TissueCypher is set at $4,950 per test for 2025, based on median private payor rates[130]. - MyPath Melanoma has a reimbursement rate of $1,950 per test for 2024 and 2025[132]. - IDgenetix will be discontinued effective May 2025, with a reimbursement rate of $1,336 per test for 2024[137]. Market Opportunity - The estimated total addressable market (TAM) for invasive cutaneous melanoma (CM) is approximately $540 million, with around 130,000 patients diagnosed annually in the U.S.[114]. - For cutaneous squamous cell carcinoma (SCC), 20% of cases are classified as high-risk, representing an estimated TAM of approximately $820 million[115]. - TissueCypher has an estimated U.S. TAM of approximately $1 billion, aimed at predicting the progression of Barrett's esophagus[117]. Performance Metrics - The number of test reports delivered is a key performance indicator for assessing business performance[139]. - Test report volume increased by 16.8% in Q1 2025 compared to Q1 2024, with dermatologic tests up by 7.4%[140]. - TissueCypher test reports surged by 117% in Q1 2025 compared to the same period in 2024[140]. - Approximately 52% of clinicians ordering DecisionDx-SCC also ordered DecisionDx-Melanoma in Q1 2025[141]. - Total test reports delivered in 2024 reached 96,071, with 36,008 from DecisionDx-Melanoma and 16,348 from DecisionDx-SCC[140]. Financial Performance - Net revenues for the three months ended March 31, 2025, increased by $15.0 million, or 20.6%, to $87.988 million compared to the same period in 2024[166]. - Revenue from non-dermatologic tests increased by $11.4 million, primarily due to a 117% increase in test report volumes for the TissueCypher Barrett's Esophagus test[167]. - Revenue from dermatologic tests increased by $3.6 million, with net revenue from these tests rising from 18.7% to 28.4% of total net revenue[168]. - Total operating expenses increased by $37.471 million, or 47.8%, to $115.916 million, driven by higher amortization of acquired intangible assets and increased personnel costs[169]. - Gross margin percentage decreased to 49.2% for the three months ended March 31, 2025, down from 77.9% in the same period in 2024[171]. Expenses and Investments - The company expects significant increases in expenses due to clinical studies, commercialization strategies, and new product development[146]. - The company anticipates increased research and development expenses as it invests in new product development[154]. - Research and development expenses decreased by $1.2 million, or 8.8%, reflecting lower personnel costs and clinical study expenses[172]. - Selling, general and administrative expenses increased by $10.125 million, or 20.9%, primarily due to higher personnel costs and business development activities[174]. - Stock-based compensation expense totaled $11.2 million for the three months ended March 31, 2025, down from $12.7 million in the same period in 2024[181]. Cash Flow and Debt - As of March 31, 2025, the company had cash and cash equivalents of $89.7 million and marketable investment securities of $185.5 million[182]. - Net cash used in operating activities was $6.0 million for the three months ended March 31, 2025, primarily due to a net loss of $25.8 million[202]. - Net cash used in investing activities was $22.4 million for the three months ended March 31, 2025, mainly from purchases of marketable investment securities totaling $48.4 million[205]. - As of March 31, 2025, the company had long-term debt of $8.9 million, with total long-term debt net of current portion at $10.0 million[189]. - The company has a $25.0 million line of credit available until March 31, 2025, with no draws made as of March 31, 2025[197]. Future Outlook - The company expects to incur additional expenses in the future as it invests in the commercialization of existing products and the development of new product candidates[187]. - The company expects total capital expenditures for the development of its future corporate headquarters to be approximately $43.1 million, with $5.1 million spent as of March 31, 2025[186]. - The 2024 Loan and Security Agreement includes a $10.0 million term loan and a $25.0 million credit line, secured by substantially all assets excluding intellectual property[191]. - A hypothetical 10% change in interest rates would not have a material impact on the company's financial statements[212]. - The company lost Medicare coverage for its DecisionDx-SCC test in April 2025, which is expected to decrease revenues and cash inflows from this test[187]. Economic Factors - Macroeconomic conditions, including geopolitical conflicts and inflation, may materially impact the company's financial condition and operational performance[145]. - Federal NOL carryforwards as of December 31, 2024, totaled $129.4 million, with $52.9 million expiring in 2031 and $76.5 million available indefinitely[162].