Company: CRCL
Filing Date: 2025-04-01
Form Type: S-1
Source: 0001193125-25-070481
Chunk: 321

Company: Circle Internet Group, Inc.
Filing Date: 2025-04-01
Form: S-1
Chunk 321
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 on recognized securities exchanges. Any change in unrealized holding gains or
losses on equity securities are included in Other income (expense), netin the Consolidated Statements of Operations.

Investment in affiliate, equity method

Until the acquisition of the controlling interest in Centre Consortium, LLC (“Centre”) in August 2023, the Company accounted for its 50% equity
interest in Centre under the equity method since it had the ability to exercise significant influence, but not control. Refer to Note 3 for additional information regarding the acquisition of the controlling financial interest of Centre. The equity
method investment was included in Investments on the Consolidated Balance Sheets, and its share of income and losses were included in Other income (expense), netin the Consolidated Statements of Operations.

Fair Value Measurements

The Company utilizes a fair value hierarchy
that prioritizes and ranks the level of observability of inputs used to measure certain assets and liabilities at fair value. The observability of inputs is impacted by a number of factors, including the type of investment, characteristics specific
to the investment, market conditions and other factors.

F-14

Assets and liabilities with readily available quoted prices or for which fair value can be measured from quoted prices in active markets will typically have a higher degree of input observability and a lesser degree of judgment applied in determining fair value. The three levels of the fair value hierarchy are as follows:

| • |     | Level 1: Quoted prices (unadjusted) in active markets for identical investments at the measurement date are 
 used.                                                                                                       |

| • |     | Level 2: Pricing inputs are other than quoted prices included within Level 1 that are observable for the                                                                                                                                       
 investment, either directly or indirectly. Level 2 pricing inputs include quoted prices for similar investments in active markets, quoted prices for identical or similar investments in markets that are not active, inputs other than quoted 
 prices that are observable for the investment, and inputs that are derived principally from or corroborated by observable market data by correlation or other means.                                                                           |

| • |     | Level 3: Pricing inputs are unobservable and include situations where there is little, if any, market activity  
 for the investment. The inputs used in determination of fair value require significant judgment and estimation. |

Accounts Receivable and Allowance for Credit Losses Accounts receivable are contractual rights to receive cash or digital assets either on demand or at fixed or determinable dates and are recognized as assets on the Company’s balance