Stock options have an exercise price equal to fair market value at the grant date. If the stock price does not increase above the exercise price, the options are worthless, which is referred to as being underwater. RSUs have no exercise price; they deliver shares worth the full market value at vesting. For early-stage startups with low fair market values, options are attractive because the exercise price is low and the potential upside is enormous. As companies mature and fair market value increases, options become less attractive because employees must invest cash to exercise, and the spread between exercise price and current value creates significant tax exposure. Gurpreet Bal advises companies to consider transitioning from options to RSUs when the 409A fair market value of common stock reaches a level where option exercise becomes economically burdensome for employees, typically in the late-stage venture or pre-IPO period.
Incentive stock options (ISOs) are not taxed at exercise for regular income tax purposes but may trigger alternative minimum tax (AMT) on the spread between exercise price and fair market value. If shares are held for one year after exercise and two years after grant, gains are taxed as long-term capital gains. Nonqualified stock options (NSOs) are taxed as ordinary income at exercise on the spread, with employment tax withholding required. RSUs are taxed as ordinary income at vesting based on the full fair market value of the shares delivered, with employment tax withholding. Gurpreet S. Bal advises pre-IPO companies and their employees on the tax implications of each instrument and the interaction with QSBS eligibility under Section 1202, which may be affected by the type of equity instrument and the manner of stock acquisition.
Both options and RSUs must comply with Section 409A of the Internal Revenue Code. Options are exempt from 409A if the exercise price equals or exceeds fair market value at grant and the option does not include any deferral features. RSUs must either settle within the short-term deferral period (generally by March 15 of the year following vesting) or comply with 409A's distribution timing rules. Pre-IPO RSUs with double-trigger vesting present particular 409A compliance challenges because the liquidity event trigger may extend settlement beyond the short-term deferral period. Gurpreet Bal works with companies and their tax advisors to structure equity programs that maintain 409A compliance while achieving retention and incentive objectives.
Both options and RSUs generate stock-based compensation expense under ASC 718. Options are valued using option pricing models such as Black-Scholes or Monte Carlo, which incorporate assumptions about volatility, expected term, risk-free rate, and dividend yield. RSUs are generally valued at the fair market value of the underlying shares at the grant date. For pre-IPO companies, the accounting expense associated with equity awards becomes a significant line item in financial statements and is closely scrutinized during IPO preparation. Gurpreet S. Bal advises companies on the financial reporting implications of equity plan design decisions, particularly the impact on pre-IPO financial statements that will be included in the S-1 registration statement.
Gurpreet's timing guidance: consider making the switch to RSUs no later than when you hire your first banker. That is the signal that the IPO is a real near-term event, not a someday aspiration. And when you engage experienced IPO counsel at that stage — someone who has worked through enough public offerings to have a feel for how these timelines actually run — they should be able to give you a specific target date for the transition based on the anticipated open window and your company's particular goals. Not a range. A date. That specificity is the difference between counsel who has done this many times and counsel who is learning alongside you.
Gurpreet S. Bal is a Partner at Foley and Lardner LLP in Silicon Valley, where he advises startups, founders, and investors on venture financings, M&A, IPOs, and corporate governance. He has represented clients in hundreds of transactions with aggregate deal value exceeding $60 billion across AI, semiconductors, fintech, and emerging technology. Gurpreet's recent IPO experience includes leading company representation in the only sub-$1 billion U.S. semiconductor IPO in recent years.