# Calvin Cheng, CEP

Calvin Cheng supports ASC718 reports within Carta’s Financial Reporting tool. Calvin has a deep understanding of equity compensation accounting and holds both Certified Equity Professional (CEP) and Advanced Equity Compensation Accounting (AECA) designations from the Certified Equity Professional Institute (CEPI).

## Latest from Calvin Cheng, CEP

**Private Companies**  
**September 2024**  
**Black-Scholes Model (BSM)**  
Learn how to use the Black-Scholes Model to value stock options in a private company, including the BSM formula, key assumptions, and limitations.  
[View](https://fund-forecasting@carta.com/learn/startups/equity-management/black-scholes-model/)