For decades, the unwritten rule of venture-backed startups was clear: founders shouldn't take money off the table until an exit event. Selling shares on the secondary market was seen as a signal of wavering commitment, a lack of confidence in the company's trajectory, or worse—an attempt to extract value before the house of cards collapsed. That stigma has largely evaporated. Today, founder secondary transactions have become a normalized, even expected, part of scaling a venture-backed company.
The shift reflects a more mature understanding of founder psychology and incentives. Building a company from zero to meaningful scale typically takes 7-10 years, often longer. During that period, founders commonly live on below-market salaries while their net worth exists entirely in illiquid equity. This concentration of risk creates stress that can cloud judgment and decision-making. Allowing founders to achieve some financial security—paying off mortgages, establishing college funds, diversifying personal portfolios—can actually make them better long-term stewards of their companies.
The mechanics of founder secondaries have evolved significantly. Early secondary transactions often occurred informally, with founders selling small amounts of equity to incoming investors during financing rounds. Today, a robust infrastructure of secondary marketplaces, specialized funds, and transaction services has emerged to facilitate these deals. Companies like Forge, EquityZen, and Carta have built platforms that connect shareholders with qualified buyers, handle the administrative complexity, and ensure compliance with securities regulations and company transfer restrictions.
Investors have generally embraced founder secondaries, with important caveats. Most VCs now support modest secondary sales during growth rounds, typically allowing founders to sell 10-20% of their holdings. The key word is modest—investors grow concerned when founders seek to liquidate substantial portions of their equity, as this can genuinely signal misaligned incentives. The art lies in finding the balance between providing meaningful liquidity and maintaining founder motivation to maximize long-term outcomes. Smart founders and investors align on this balance explicitly during financing negotiations.
Tax considerations add complexity to secondary planning. Depending on holding periods, election timing, and transaction structure, the tax treatment of secondary sales can vary dramatically. Founders selling shares held for less than a year face ordinary income tax rates; those with longer holding periods may qualify for long-term capital gains treatment. QSBS exclusions, installment sales, and various trust structures can further optimize outcomes. The sophistication of planning required underscores the importance of working with experienced tax and legal advisors before executing any significant secondary transaction.
The secondary market has also become an important valuation signal for private companies. Regular secondary transaction data provides ongoing price discovery that was previously available only during periodic fundraising rounds. This transparency can cut both ways—robust secondary demand validates private valuations, while thin trading or declining prices can create negative narratives. Companies are increasingly thoughtful about managing secondary activity to ensure market signals align with their preferred positioning.
For founders considering secondary sales, several principles emerge from conversations with those who have navigated the process successfully. First, timing matters—secondaries are easiest to execute during strong company performance periods when buyer demand is high. Second, communication with your board and existing investors is essential; surprises create friction that damages relationships. Third, think long-term about how much liquidity you actually need versus how much equity you want to retain for the company's full journey. The founders who manage this balance well find that secondary liquidity enhances rather than diminishes their commitment to building enduring companies.