How to read a startup equity offer without a finance degree.
An engineer turned down a startup offer of 0.5 percent because a friend at a big company had more shares than that. He compared a slice of a small pie to a slice of a giant one and never asked the only question that mattered: how big could each pie get? He may have walked away from the best financial decision of his career because nobody taught him how to read the number.
Equity is the part of a startup offer most engineers understand the least, and it is often the part that matters most. You do not need a finance degree to evaluate it. You need to ask a handful of questions that turn a vague percentage into something you can actually judge.
Percentage is meaningless without the whole picture
"We are offering you 0.5 percent" tells you almost nothing on its own. Half a percent of what, exactly, and worth what if things go well? To judge it you need three things: how many total shares exist, what the company was last valued at, and a realistic sense of the outcomes. The same percentage can be worth a rounding error or life-changing money depending on answers the founder should be willing to give.
The questions a good founder will answer
- How many shares are outstanding, and what is my grant in shares? Percentage alone hides dilution to come.
- What was the most recent valuation? This anchors what your stake is worth today.
- What is the strike price, and the vesting schedule? Standard is four years with a one-year cliff.
- How much runway, and what are the plans to raise again? Future rounds dilute you, which is normal, but you should see it coming.
A founder who dodges these is telling you something. Transparency about equity is a strong signal of how they will treat you on everything else.
Understand what could dilute you
Every future funding round and option pool expansion reduces your percentage. That is not unfair, it is how startups grow, but you should understand the mechanics. Our dilution and ESOP pool tools let you model how your stake changes as the company raises.
Know the difference between options and shares
Most grants are stock options: the right to buy shares later at a fixed strike price, not the shares themselves. That distinction has real consequences for taxes and for what happens if you leave. Some companies have long exercise windows that let departing employees keep what they earned; others give you 90 days to find the cash or forfeit it. Ask. The answer reveals how the company really thinks about its people.
Weigh it against your own life, honestly
Equity is a lottery ticket with better-than-lottery odds if you choose well, but it is illiquid and most startups do not produce a windfall. Take the offer seriously, push for clarity, and then weigh it against your real situation: your savings, your obligations, your appetite for risk. A great equity story should never require you to ignore the salary you need to live. Our guide to founder and employment agreements covers what else to look for in the paperwork.
📑 Reading a startup equity offer
- Treat a bare percentage as a riddle. Ask until it becomes a real number.
- Get total shares, recent valuation, strike price and vesting before you judge it.
- Understand that future rounds will dilute you, and model it.
- Know whether you hold options or shares, and what happens if you leave.
- Weigh the upside against your real financial situation, not someone else's.
You do not have to become a finance expert to evaluate equity well. You have to be willing to ask plain questions and expect plain answers. The founders worth working for will respect you more for asking, and the offer you finally accept will be one you actually understand.