In particular, the 2018 CEO Performance Award is comprised of 12 equal tranches, each vesting only upon the achievement of a market capitalization milestone matched to one of eight revenue-based operational milestones or eight Adjusted EBITDA-based operational milestones, all of which were viewed as difficult hurdles at the time of grant. While our stockholders benefit from each incremental increase in Tesla’s performance and stock price, aligning their interests with Mr. Musk’s incentives, the tranches under the 2018 CEO Performance Award vest only upon the full achievement of specific milestones, making it even more challenging for Mr. Musk to realize value from such increases. As of the date of this proxy statement, one of the 12 tranches under this award has vested and become exercisable, subject to Mr. Musk’s payment of the exercise price of $350.02 per share and the minimum five-year holding period generally applicable to any shares he acquires upon exercise.
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As of the date of this filing, (i) one operational milestone relating to $20.0 billion total revenue and (ii) one market capitalization milestone of $100 billion have been achieved and certified by the Board. In addition, one other operational milestone relating to $1.5 billion Adjusted EBITDA has been achieved but is subject to formal certification by the Board, and no other market capitalization milestones have been achieved. Consequently, one tranche under the 2018 CEO Performance Award, corresponding to an option to purchase 1,688,670 shares of Tesla’s common stock, has vested and become exercisable as of the date of this filing, subject to Mr. Musk’s payment of the exercise price of $350.02 per share and the minimum five-year holding period generally applicable to any shares he acquires upon exercise.