Company: MIRM
Filing Date: 2025-11-04
Form Type: 10-Q
Source: 0001759425-25-000054
Chunk: 401

Company: Mirum Pharmaceuticals, Inc.
Filing Date: 2025-11-04
Form: 10-Q
Item: Part I, Item 8
Chunk 401
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 of instruments that trade in markets that are not considered to be active, but are valued based on quoted market prices, broker or dealer quotations, or alternative pricing sources with reasonable levels of price transparency. The Company reviews trading activity and pricing for these investments as of each measurement date.

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4. Financial Instruments

The fair value and amortized cost of cash equivalents and available-for-sale investments by major security type are presented in the following table (in thousands): September 30, 2025 AmortizedCostUnrealizedGainUnrealizedLossEstimatedFairValueCash equivalents and investments:  Money market funds$229,140 $— $— $229,140 Corporate debt securities71,446 126 (1)71,571 U.S. government bonds19,966 37 — 20,003 Commercial paper5,420 2 — 5,422 Total cash equivalents and investments$325,972 $165 $(1)$326,136 Classified as:  Cash equivalents $230,139 Short-term investments93,527 Long-term investments2,470 Total cash equivalents and investments $326,136  December 31, 2024 AmortizedCostUnrealizedGainUnrealizedLoss EstimatedFairValueCash equivalents:Money market funds$202,965 $— $— $202,965 U.S. treasury bills$2,957 $7 $— $2,964 Corporate debt securities$37,942 $50 $(14)$37,978 U.S. government bonds$26,819 $90 $(5)$26,904 Agency bonds$2,490 $2 $— $2,492 Total cash equivalents and investments$273,173 $149 $(19)$273,303 Classified as:Cash equivalents$202,965 Short-term investments57,812 Long-term investments12,526 Total cash equivalents and investments$273,303 As of September 30, 2025, the remaining contractual maturities of available-for-sale debt securities were as follows (in thousands):Estimated Fair ValueDue within one year$94,526 One to two years2,470 Total$96,996 

During the three and nine months ended September 30, 2025 and 2024, there have been no significant realized gains or losses on available-for