Single trigger stock option acceleration is based on one trigger, typically an acquisition, but can also be based on termination of employment for certain reasons. This allows for an employee’s unvested shares to be fully vested or “accelerate” and is designed to reward the employee for his or her contribution to the company.

Single trigger stock option acceleration is based on one trigger, typically an acquisition, but can also be based on termination of employment for certain reasons. This allows for an employee’s unvested shares to be fully vested or “accelerate” and is designed to reward the employee for his or her contribution to the company.