The value of a business interest is valid as of a specific date. The effective date is a critical cutoff point because events that occur after that date generally are not taken into account when estimating value. However, there are two key exceptions when subsequent events count. (1) When an event is foreseeable Subsequent events that were reasonably foreseeable on the effective date are usually factored into a valuation. That’s because, under the definition of fair market value, hypothetical willing buyers and sellers are presumed to have reasonable knowledge of relevant facts affecting the value of a business interest. Examples of potentially relevant subsequent events are: An offer to purchase the business, A bankruptcy filing, The emergence of new technology or government regulations, A natural or...