When you first hear that your company is in active M&A discussions, your mind might immediately jump to the potential changes in your role, the strategic direction of the company, or the cultural shift that results from joining a larger company. But there's another critical area that demands your attention: your equity. The reality is that by the time an acquisition is announced, the terms of what you receive are largely set in stone, and the window for tax planning has mostly closed. This common oversight glosses over a critical aspect important to all employees, even those who haven’t done any planning at all. What’s that? Getting a close understanding of how equity is handled in the transaction, and calculating your payout to ensure that it’s actually correct.
Vested vs. unvested awards in a public-to-public deal
In a public-to-public acquisition, vested and unvested awards take different paths. Owned shares (previously exercised options, RSUs that have vested, or purchases made through an Employer Stock Purchase Plan) and vested options that have not yet been exercised are generally converted into cash, equity in the acquiring company, or a combination of both. As it relates to vested options that have not yet been exercised, this includes those that are in-the-money (i.e. acquisition price exceeds exercise price), while options that are underwater are typically canceled without payment.
Unvested options and RSUs are compensation which has not yet vested by employee tenure, so these are often converted into new options and RSUs, and exchanged in a manner that would preserve their value based upon current pricing.
For people with large amounts of unvested equity, or who have recently arrived, this can transform what appeared to be a liquidity event into a new multi-year vesting period at a different employer.
What happens to unvested stock options and RSUs when a public company is acquired?
The fate of your unvested awards hinges on the specifics of your stock plan and the terms negotiated between the companies. Most plans allow for acceleration of vesting, but this isn't guaranteed. In reality this comes down to what the buyer is willing to pay, and what management and the board of your company is willing to accept. Single-trigger acceleration means your awards vest at the deal's close. Double-trigger, on the other hand, requires both the deal's close and a qualifying termination of your role. This distinction can dramatically impact your financial outcome. Those whose role isn't needed may walk away with a full payout, while those retained might find themselves tied to a new company with a portion of their payout subjected to a new vesting period, and possibly additional equity for future service performed, as well.
Tax planning challenges in acquisitions
An acquisition can throw a wrench into your tax planning, and that’s because the timing of the transaction wasn’t determined by you. The sudden realization of income from stock-based compensation can push you into a higher tax bracket, as compensation and stock gains that you might have planned to realize over several years may now occur all at once.
Additionally, stock options you may have exercised with the intention of holding for long-term capital gains may now be cashed out on a short-term basis at the deal's close. This is further complicated by the timing of regulatory approvals, which can shift the deal's closing into a new tax year.
The importance of last-minute equity planning
While early planning matters because M&A can occur at any point, last-minute planning is equally important — and sometimes more so. Yes, you heard that right.
To be clear, it isn’t a substitute for early planning, but an important safety check to make sure that you actually receive everything that you’ve earned. Despite the fact that payouts from employer stock are mathematically calculable (i.e. specific amounts of cash and/or shares for every share you currently own), the process does require human involvement, and from time to time mistakes are made.
In cases where an employee, or even the company, hasn’t formally accepted a stock grant they were offered, they would not receive payment if not corrected in time, with no recourse. It’s also important to review your individual stock grants, because while many items are governed by the stock plan, some are in fact specific to the grants you’ve received.
Pro-tip: The first thing to locate after an acquisition announcement is your stock plan document and each of your stock grants—not the investor presentation, not the FAQ from HR. The plan document and your stock grants are what actually governs your outcome. If you negotiated any aspect of your stock grants other than quantity received, this absolutely pertains to you. And if there was not any meaningful aspect which was negotiated, you should not assume that all stock grants are uniformly structured.
Let’s put this in its appropriate context. This is an issue that occurs with a frequency that should not be assumed to happen, but often enough that it cannot be ignored. Severity, however, is an even bigger concern, and here’s why. Cash compensation at most firms eventually hits a ceiling, so for some employees and executives, stock-based compensation may begin to approach, or greatly exceed cash compensation. Even a single grant being paid out incorrectly could lead to a six-figure error in your payout, or worse.
If you'd like to explore whether ongoing financial planning and investment management make sense for your situation, you can schedule an intro call here:
Common Questions
Will my unvested equity automatically vest when my company is acquired?
Not necessarily. Whether your unvested equity vests depends on the terms of your stock plan and the specific details of the acquisition agreement. It could involve single-trigger or double-trigger acceleration.
What is the difference between single-trigger and double-trigger acceleration in an acquisition?
Single-trigger acceleration means your awards vest at the close of the deal, regardless of your employment status. Double-trigger requires both the deal's close and a qualifying termination of your role for the awards to vest.
Are acquisition proceeds from stock options taxed as income or capital gains?
There's a precise answer for every situation, but it depends on a combination of factors — option type, holding period, and deal structure — that interact in ways that don't reduce to a simple rule. If you want to know exactly how your payout will be taxed, that's a conversation worth having before the deal closes.
This blog was written by Jeremy Bohne, Principal & Founder of Paceline Wealth Management. Paceline is a fee-only investment advisor serving clients in the Boston area, and on a remote basis throughout the country. Paceline specializes in helping tech and biotech executives, business owners, physicians, and those seeking financial planning services.