Meaning
Contractual mechanism that advances the date on which restricted stock or options become fully owned by the holder. Equity acceleration frequently activates during a change of control or the termination of an employee without cause. It shifts the timeline of ownership from a multi-year schedule to an immediate event.
This shift allows individuals to participate in a liquidity event that would otherwise occur before their shares vested.
Vesting Trigger
Specific events must occur to bypass the standard time-based requirements of a grant. The vesting trigger of the equity acceleration might involve a single trigger, like an acquisition, or a double trigger requiring both an acquisition and a job loss. This structure aligns the interests of leadership with the success of a sale.
Retention Impact
Rapid ownership changes the incentive for a worker to remain with a company after a buyout. The retention impact of the equity acceleration can lead to a talent drain if the entire grant becomes liquid at once. Acquiring companies often negotiate to replace or delay these clauses to keep the workforce in place during the transition.
Exit Valuation
Financial models for a merger must account for the sudden increase in the share count or the cash payout required for these accelerated grants. The exit valuation of the equity acceleration reflects the total cost of bringing all outstanding equity into the transaction. It represents a hard cost that reduces the pool of funds available for other stakeholders.
If the calculation is done too late, the buyer might lower the offer price to offset the unexpected liability. Demonstrating the potential cost of these triggers is a standard part of the audit process during due diligence.