NSO

TL;DR

Non-Qualified Stock Options — a more flexible US option type than ISOs, available to contractors and advisors but without the same tax-advantaged treatment.

NSOs (also called NQSOs) are stock options without ISO tax benefits. They can be granted to anyone — employees, contractors, advisors, board members — and have no $100K annual limit. The trade-off: NSO exercise creates ordinary-income tax on the spread between strike and FMV at exercise, with no path to long-term capital gains until shares are subsequently held.

Most late-stage option grants and grants to non-employees are NSOs. Senior executives sometimes negotiate a mix of ISOs and NSOs to optimize tax outcomes.

Worked example

An advisor (not an employee) receives 5,000 NSOs at $2 strike. Exercise at $10 FMV creates $40k of immediate ordinary-income tax (the spread × shares). Subsequent appreciation from $10 to $30 at sale is taxed as long-term capital gains.

Common pitfalls

• Confusing NSO and ISO tax treatment when planning exercise.
• Granting NSOs at strike prices below FMV (triggers Section 409A penalties).
• Failing to coordinate NSO withholding requirements at exercise.

When this shows up in a pitch deck

Equity-comp content for hiring and diligence; not on the deck.

Related terms

• ISO — A US tax-advantaged stock option for W-2 employees, eligible for long-term capital-gains treatment if holding-period requirements are met.
• RSU — Restricted Stock Units — equity compensation that vests into shares without requiring exercise, common at late-stage and public companies.
• Strike Price — The fixed price at which an option holder can purchase a share, set at fair market value on the grant date and locked in for the option's life.
• 83(b) Election — A US tax election letting restricted-stock recipients pay tax on the grant-date value (not at vesting), often saving early-stage founders meaningful tax.
• ESOP — Employee Stock Option Plan — the legal structure that lets a company grant options to employees at a defined strike price, governed by board approval and 409A.

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