Meaning
A contractual provision in venture financing protects early investors from the dilutive effects of subsequent share issuances at a lower valuation. This mechanism, known as an anti-dilution adjustment, recalculates the conversion price of preferred shares to common shares when a down round occurs. Investors typically secure either full ratchet or weighted average protection depending on their negotiating leverage.
This ensures that their initial capital maintains a proportionally higher ownership claim than it would under standard dilutive conditions.
Conversion Formula
Valuation adjustments rely on mathematical equations specified in the corporate charter. The broad-based weighted average formula accounts for both the price and the volume of the new shares issued, which reduces the severity of the adjustment for the founders. By contrast, a full ratchet adjust option alters the conversion price to the exact lower price of the new round, regardless of how few shares are issued.
Protection Mechanism
Early investors rely on these terms to preserve their voting power and economic stake when a company struggles to grow its valuation. This shield prevents founders from issuing cheap shares to new investors without suffering substantial equity dilution themselves.
Dilution Allocation
The implementation of these protective rules shifts the financial pain of a lower valuation entirely onto the founders and early employees. Since the preferred investors receive more common shares upon conversion, the common stock pool is diluted to a much greater degree. This shift can severely reduce the incentive of the remaining management team if the adjustments are too aggressive.
