Meaning
A contractual provision in an equity incentive plan or employment agreement that speeds up the schedule on which a participant’s stock or options become non-forfeitable represents a primary retention and protection mechanism for executives. This vesting acceleration is typically triggered by specific events such as a change of control of the company or the termination of the executive’s employment without cause. It secures the economic benefits of early efforts for the employee in the event of an acquisition or restructuring.
The provision is a common subject of negotiation during the hiring of key personnel and during corporate transactions.
Single Trigger
Some agreements provide that the change of control event itself is sufficient to fully vest the outstanding equity. This approach rewards the executive for successfully navigating the transaction.
Double Trigger
Market standard practices typically require two distinct conditions to be met before the vesting schedule is accelerated. This double trigger vesting acceleration requires both a change of control and a termination of employment within a specified period, typically twelve months following the transaction. It protects the executive from being terminated by the acquiring company while giving the new owner an incentive to retain specialized talent.
Taxation Impact
The receipt of accelerated equity can trigger substantial tax liabilities under Section 280G of the internal revenue code. This vesting acceleration may result in excess parachute payments, which are subject to a twenty percent excise tax on the recipient and are non-deductible for the company. Companies often include tax gross-up provisions or net-of-tax limits to manage this financial impact.