Company: MIRM
Filing Date: 2025-05-07
Form Type: 10-Q
Source: 0001759425-25-000032
Chunk: 345

Company: Mirum Pharmaceuticals, Inc.
Filing Date: 2025-05-07
Form: 10-Q
Item: Part I, Item 1
Chunk 345
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 the fair value hierarchy. Certain financial instruments classified within Level 2 of the fair value hierarchy include the types 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): March 31, 2025 AmortizedCostUnrealizedGainUnrealizedLossEstimatedFairValueCash equivalents and investments:  Money market funds$182,259 $— $— $182,259 U.S. treasury bills4,980 1 — 4,981 Corporate debt securities54,422 43 (8)54,457 U.S. government bonds24,849 69 — 24,918 Commercial paper2,407 1 — 2,408 Total cash equivalents and investments$268,917 $114 $(8)$269,023 Classified as:  Cash equivalents $182,259 Short-term investments65,852 Long-term investments20,912 Total cash equivalents and investments $269,023  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 March 31, 2025, the remaining contractual maturities of available-for-sale debt securities were as follows (in thousands):Estimated Fair ValueDue within one year$65,852 One to two years20,912