- Grant Date
- The specific date on which the board formally approves the option, establishing the measurement date for the exercise price and accounting expense.
- Exercise Price (Strike Price)
- The per-share price the option holder must pay to purchase stock, which must equal or exceed fair market value on the grant date to avoid adverse tax treatment.
- Fair Market Value (FMV)
- The price at which stock would change hands between a willing buyer and a willing seller, determined by a 409A valuation for private companies.
- 409A Valuation
- An independent appraisal of a private company's common stock value, required by IRC Section 409A to set a defensible exercise price and avoid excise tax penalties.
- Vesting Schedule
- The timeline over which an optionee earns the right to exercise granted options, most commonly a four-year schedule with a one-year cliff.
- Cliff Vesting
- A vesting structure in which no options vest until a defined date (the cliff), after which a block of options vests at once and the remainder vest monthly or quarterly.
- ISO (Incentive Stock Option)
- A type of employee stock option that qualifies for preferential US tax treatment under IRC Section 422, subject to holding period and eligibility requirements.
- NSO (Non-Qualified Stock Option)
- A stock option that does not qualify for ISO treatment; the spread at exercise is taxed as ordinary income to the recipient and is deductible by the company.
- Equity Incentive Plan
- The shareholder-approved plan document that authorizes the number of shares reserved for grants, eligible recipients, and the rules governing all awards made under it.
- Option Pool
- The total number of shares reserved under an equity incentive plan for issuance upon exercise of granted options, expressed as a percentage of fully-diluted shares.
- Written Consent in Lieu of Meeting
- A mechanism allowing directors to approve resolutions by signing a written document rather than convening a physical or virtual meeting, permitted by most corporate statutes.