What is equity compensation? An executive’s guide

By the time most executives reach the C-suite, half or more of their net worth sits in one place: their employer’s stock. Planning teams routinely see 50%-80% concentration in employer equity across options, RSUs, ESPP shares, and outright holdings. For senior leaders, it is the primary engine of wealth. It is also the largest uncompensated risk on the balance sheet. That risk grows around big moments like a company sale, retirement, or a health change. And those are the moments when planning matters most.

This guide covers the big questions:

  • What is equity compensation?
  • What are the different types?
  • How are they taxed?
  • What securities rules apply to executive officers?
  • How do you avoid a concentrated bet in a single stock?
  • Who can help you plan around major life and career events?

What is equity compensation?

Equity compensation is pay in the form of company ownership instead of cash. Your company issues a grant, which vests over time or against performance targets. You either own the shares or have the right to buy them.

Three things define every grant:

  • Grant type: RSU, ISO, NSO, restricted stock, or performance share unit
  • Vesting schedule: what you must do and how long you must stay before the grant becomes yours
  • Tax trigger event: when a grant vests, or when you exercise or sell shares

The types of equity compensation executives receive

Restricted stock units (RSUs)

RSUs are a promise to deliver shares once vesting conditions are met. There is no purchase price and no exercise decision. They are the dominant vehicle at public companies because they retain value even when the stock trades below the grant-date price. You hold no voting rights and receive no dividends until the shares are delivered.

Incentive stock options (ISOs)

ISOs give you the right to buy shares at a fixed price set when the grant is issued (strike price). They offer preferential tax treatment if you hold the shares at least two years from grant and one year from exercise. Only employees can receive them, and no more than $100,000 in ISO value can first become exercisable in any calendar year. Anything above that limit converts to NSO treatment automatically.

Non-qualified stock options (NSOs)

NSOs work the same way as ISOs but carry no special tax status. At exercise, the difference between the strike price and fair market value is taxed as ordinary income, withheld through payroll. Whether they realize it or not, most executives hold a mix of ISOs and NSOs because of the $100,000 annual ISO ceiling.

Performance share units (PSUs)

PSUs vest against metrics such as total shareholder return, earnings per share, or revenue growth, usually measured over three years. For senior executives, PSUs are often the largest slice of long-term incentive pay. They’re also the hardest to value in advance, since the eventual payout can range from 0% to 200% of target depending on performance.

How equity compensation is taxed, and how to minimize it

The RSU withholding gap

Companies withhold tax on vested RSUs at a flat rate of 22% for the first $1 million a year, then that rate jumps to 37%. If your marginal tax rate is higher, you owe the difference. Work with your advisor to minimize taxes by setting up a quarterly estimated payment or a planned supplemental sale at vest.

Alternative minimum tax on ISO exercises

The gap between the strike price and fair market value of ISOs counts toward the alternative minimum tax (AMT). If you exercise a large batch in a single year, you may owe AMT on gains you haven’t sold yet. Working with your advisor to spread exercises over multiple years can mean the difference between a manageable bill and a painful one.

83(b) window

For restricted stock awards and early-exercised options, you can pay tax on the shares’ grant value instead of when it vests. This is called an 83(b) election, and it can significantly lower your tax bill if the stock’s value grows later. The deadline is 30 days from the transfer date, so loop in your advisor before it’s too late.

Special rules that apply to you

Once you become a company’s executive officer or director (known as a Section 16 officer), you face SEC restrictions that the rest of your team doesn’t.

Trading windows and 10b5-1 plans

As a Section 16 officer, you can sell only during open trading windows, and only when you’re not holding material non-public information. A Rule 10b5-1 plan solves that problem by letting you schedule sales in advance, so trades happen automatically even when a window is closed. But the plan itself has a waiting period: 90 days after adoption, or two business days after your company’s next quarterly or annual filing, whichever is later. If you adopt a plan in December, your first trade may be four months out. An advisor can help you plan around that timing.

Clawbacks

Public companies have to recover incentive-based compensation erroneously awarded to current and former executive officers following an accounting restatement, looking back three years. The rule applies regardless of whether you did anything wrong, and it can claw back vested shares you already own.

Golden parachute exposure

A “golden parachute” is the pay you receive if a merger or acquisition triggers accelerated vesting, severance, or other payouts. If those payments reach three times your base amount (average annual compensation over the last five years), Section 280G imposes a 20% excise tax on the excess and denies the company its deduction. The exposure is calculable in advance by your advisor.

Short-swing profits

Section 16(b) requires you to forfeit any profit on a purchase and sale within a six-month window. Employee stock purchase plan (ESPP) purchases and option exercises both count as purchases.

Managing a concentrated stock position

A rule of thumb is holding employer stock at 10%–25% of net worth, adjusted for career stage and risk tolerance. The reason isn’t that your company is a poor investment. It’s that your salary, bonus, unvested equity, and future earning power are already tied to the same employer. If your investment portfolio is concentrated in that same stock too, a single bad quarter hits everything at once.

Three moves that hold up:

  • Sell RSUs and diversify. Once vested, those shares are yours. You don’t have to keep that money concentrated in your employer’s stock. Selling lets you spread it across other investments instead.
  • Schedule recurring sales through a 10b5-1 plan so that you never miss a trading window.
  • Arrange exercises and sales across multiple tax years, not all at once because the price moved. This can help manage your tax bill.

Questions executives ask

How does equity compensation work at a private company?
Private companies use the same equity types as public companies, but there’s no market to sell shares, even vested ones. Exercising early can start the capital-gains clock sooner and reduce AMT exposure, but it puts real cash at risk against an exit that isn’t guaranteed.

Is equity compensation taxable if I never sell?
Yes. RSUs are taxed at vest whether or not you sell. NSO exercises are taxed at exercise. Only unexercised options and qualifying ISO positions defer the bill.

Can equity compensation be negotiated?
Yes. At the executive level, you may be able to negotiate terms such as the performance metrics behind PSUs, severance treatment of unvested awards, and vesting acceleration if the company changes ownership.

Final takeaway

Equity compensation is the main wealth engine for most senior executives. But it’s governed by tax rules, plan documents, and securities regulations that interact in complex ways. The executives who come out ahead are the ones who work with advisors to plan every stage of their equity, from vest to sale. The stakes are highest around big moments: a company sale, major health change, or retirement.

Is your equity spread across several grant types? Is a vesting or liquidity event on the calendar? Gentry Private Wealth can help you plan around these moments and minimize the tax burden. The value of getting it right is priceless.

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