By Harry Prabandham · Updated September 27, 2026
Equity Compensation
The Psychology Behind Equity Decisions
Decisions about company stock are distorted by anchoring, loyalty, loss aversion, and regret; a written process with pre-set rules can help counter them.
The Psychology Behind Equity Decisions
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The short answer
- Choices about selling, holding, or exercising company equity are shaped by predictable mental shortcuts as much as by numbers.
- Because the stock is tied to your job, colleagues, and identity, it is harder to judge it like any other investment.
- Naming the biases and setting decision rules in advance can help you act on a plan instead of on the latest price move.
- The goal is not a particular answer but a decision you can explain and would make again with the same information.
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The short answer
- Choices about selling, holding, or exercising company equity are shaped by predictable mental shortcuts as much as by numbers.
- Because the stock is tied to your job, colleagues, and identity, it is harder to judge it like any other investment.
- Naming the biases and setting decision rules in advance can help you act on a plan instead of on the latest price move.
- The goal is not a particular answer but a decision you can explain and would make again with the same information.
Which biases show up most often?
- Anchoring: fixing on a peak price, last funding round, or tender price and treating any lower sale price as a loss.
- Familiarity and overconfidence: believing that seeing the company from inside makes its stock less risky than it is.
- Loss aversion and regret: fearing the regret of selling before a rise more than the damage of holding through a fall.
- Mental accounting: treating equity as house money, or as separate from the rest of your net worth.
Why is it hard to sell even when the numbers say diversify?
- Selling can feel like a vote against your team or leadership, even though personal finances and loyalty are separate questions.
- Taxes loom large; people sometimes hold to avoid a known tax bill while ignoring the risk of a larger price decline.
- Social signals matter: if coworkers are holding, selling can feel out of step.
- Your salary, bonus, and future grants already depend on the same company, so holding stock adds to an existing concentration.
What is a useful test for holding?
- Ask: if this position were cash today, would I choose to buy this much of this one stock?
- If the answer is no, the reason for holding is often a bias, a tax concern, or a restriction worth examining directly.
- Separate what you can control, like timing and taxes, from what you cannot, like the company's future share price.
- Keep in mind that a diversified portfolio also carries market risk, fees, and implementation choices; it simply avoids single-company risk.
How can a process reduce emotional decisions?
- Model a range of outcomes for the stock, including a sharp decline, rather than a single expected price.
- Set rules in advance, such as selling a fixed share at each trading window or at each vest, and write down why.
- Break all-or-nothing thinking by considering partial sales, which limit both regret if it rises and damage if it falls.
- Revisit the plan on a schedule, not in reaction to headlines or daily price swings.
Where outside perspectives help
- Tax effects of ISOs, NSOs, and RSUs differ sharply, and AMT calculations are complex, so a CPA's review is valuable.
- Valuing private stock using public peers has limits, because growth stage, size, and liquidation preferences may differ.
- A spouse, partner, or independent adviser can challenge assumptions that feel obvious from inside the company.
- Rubric Advisors works with people facing these decisions; the points here are general education, not personal advice.
Key takeaways
- Recognize anchoring, loyalty, loss aversion, and regret as normal influences on equity decisions.
- Ask whether you would buy the position today, and look at the job and stock risk together.
- Pre-set, written rules and partial actions can make decisions more consistent.
- Confirm the tax consequences of any sale or exercise with a CPA before acting.
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