v3.24.3
Fair Value of Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2024
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis
The tables below present information about the Company’s assets and liabilities measured at fair value on a recurring basis:
September 30, 2024
(in thousands)Total Fair
Value		Level 1Level 2Level 3
Assets:
   Money market funds$669,158 $669,158 $— $— 
   Investment securities158,791 158,791 — — 
Total assets$827,949 $827,949 $— $— 
Liabilities:
   Contingent consideration liabilities$1,294 $— $— $1,294 
Total liabilities$1,294 $— $— $1,294 
    
December 31, 2023
(in thousands)Total Fair
Value		Level 1Level 2Level 3
Assets:
   Money market funds$574,131 $574,131 $— $— 
Total assets$574,131 $574,131 $— $— 
Liabilities:
   Contingent consideration liabilities$2,700 $— $— $2,700 
Total liabilities$2,700 $— $— $2,700 
Schedule of Quantitative Information and Assumptions Pertaining to the Fair Value Measurement of the Level 3 Inputs
The following tables summarize quantitative information and assumptions pertaining to the fair value measurement of liabilities using Level 3 inputs at September 30, 2024.



Fair Value atAssumptions
(in thousands)September 30, 2024December 31,
2023		Valuation TechniqueUnobservable InputSeptember 30, 2024December 31,
2023
Contingent consideration liability:
1095 commercialization milestone1,800 1,800 Probability adjusted discounted cash flow model
Period of expected milestone achievement20262026
Probability of success40 %40 %
Discount rate3.5 %4.1 %
Net sales targets - AZEDRA and 10951,000 900 Monte Carlo simulation
Probability of success and sales targets
0% - 40%
0% - 40%
Discount rate
15%
15%
Reduction due to partial settlement of 2013 Milestone Rights(1,506)— 
Total$1,294 $2,700 
Schedule of Financial Instruments with Significant Level 3 Inputs
For those financial instruments with significant Level 3 inputs, the following table summarizes the activities for the periods indicated:

Financial Liabilities
(in thousands)Nine Months Ended
September 30,
20242023
Fair value, beginning of period$2,700 $111,600 
Changes in fair value included in net income100 (9,475)
Gain on partial buyout of 2013 Milestone Rights(1,505)— 
Cash payments(1)(99,625)
Fair value, end of period$1,294 $2,500