Liquidity Events

A liquidity event — the sale of a company, an IPO lock-up expiration, a secondary sale, or a large asset liquidation — is the financial moment that many entrepreneurs and equity holders work toward for years. It’s also the moment where the largest tax decisions are concentrated in the smallest time windows, and where the difference between prepared and unprepared can be millions of dollars in after-tax proceeds.

The tax structure of a liquidity event depends on how the event is structured and what type of equity is being liquidated. Founders selling common stock they’ve held for more than one year pay long-term capital gains rates on the appreciation above their cost basis — the lowest rate available on the gain. Employees with NSOs (non-qualified stock options) pay ordinary income on the spread at exercise, which can push a large gain into the highest federal and state brackets. ISO holders face AMT at exercise, and the optimal exercise strategy for large ISO grants often requires multi-year tax planning before the event. QSBS (Qualified Small Business Stock) exclusions, for shareholders who have held qualifying stock for five or more years, can exclude up to $10 million in gain per person — or $20 million for founders who planned ahead — from federal capital gains tax entirely.

The months and years before a liquidity event are when the most valuable tax planning is possible. Timing of exercises, charitable contributions in high-income years, QSBS qualification, trust structures to shift appreciation to family members, and installment sale elections (for private company sales) are all decisions best analyzed before closing, not after. Concentrated position management and diversification strategy immediately post-event are the next layer of decisions, covered at the intersection of investment management and tax planning.

For the windfall tax analysis that applies to the income generated in a liquidity year, see bonus & windfall. Estate planning implications — particularly around using a high-event year to maximize gifting — are in estate planning. The Life & Money pillar covers liquidity events as part of the broader financial picture of major wealth-creating moments.