You have spent three years working for a below-market salary, pouring nights and weekends into your startup while your shares quietly vested month after month. Then the board decides to bring in an "experienced CEO," or your co-founder relationship fractures past the point of repair, and suddenly the only question that matters is the one nobody wanted to discuss when times were good: what happens to your equity now? The answer often comes down to two words buried in your shareholder agreement — good leaver or bad leaver — and the gap between them can be the difference between walking away with stock worth six figures and walking away with the fraction of a cent per share you originally paid.
Leaver provisions are the prenuptial agreement of startup life. Nobody signs one expecting to need it, but if a founder ever departs, these clauses decide who keeps what, at what price, and on what timeline. This guide explains how the two labels work, what vested and unvested really mean for your payout, and the five clauses you should negotiate before your priced round — while everyone still likes each other.
Why Your Shareholder Agreement Cares How You Leave
Investors back teams as much as ideas. When a venture fund wires money into your company, it is betting that the specific people holding large equity stakes will stay and build the company for years. Leaver provisions protect that bet in two ways.
First, they keep founders economically committed. If leaving early meant keeping every share free and clear, a co-founder could walk away in month six with a third of the company and watch from the sidelines while everyone else does the work. Vesting plus leaver provisions make that impossible: equity is earned over time, and the circumstances of a departure decide how the earned portion is treated.
Second, they give the company a clean, pre-agreed way to recycle a departing founder's shares. A replacement CTO will want an equity grant, and that equity has to come from somewhere. A buyback right lets the company repurchase the leaver's shares and reissue them to the person actually doing the job — without a hostile negotiation against someone who just left.
Without these provisions, every founder departure becomes a bespoke legal fight. With them, the outcome follows a formula everyone signed when heads were cool.
The Foundation: Vested vs. Unvested Shares
Before the labels make sense, you need the mechanics underneath them. Nearly every startup puts founders on a vesting schedule, and the market standard is four years with a one-year cliff: nothing vests until your first anniversary, then a full year vests at once, and the rest vests monthly or quarterly after that.
Most founders hold their stock through reverse vesting. On day one, you buy all of your shares outright at a nominal price — often a fraction of a cent each — under a restricted stock purchase agreement. What makes the shares "unvested" is a repurchase option inside that agreement: the company has the right to buy back any shares that have not yet vested if your service ends, usually at the same nominal price you paid. As time passes, that repurchase right lapses in step with the vesting schedule.
Here is the single most important sentence in this article: unvested shares always go back to the company when you leave, whatever label you get. Good leaver, bad leaver, resignation, termination — unvested is unvested either way. The good-leaver-versus-bad-leaver fight is almost entirely about your vested shares: the portion you have already earned.
Good Leaver: The Benign Exit
A good leaver is someone who departs for reasons the agreement treats as blameless. Your goal as a founder is to make this definition as broad as possible, because it is the category that protects the value you have earned. Typical good-leaver triggers include:
- Death or permanent disability
- Termination by the company without cause — the company lets you go, but not for misconduct
- Resignation for good reason, meaning you quit because the company cut your pay, demoted you, or relocated you (more on this protection below)
- Sometimes redundancy or retirement, though these matter less at early-stage startups
The financial outcome for a good leaver is straightforward: you keep your vested shares. The company usually retains a call right — the option to repurchase those vested shares so the cap table stays clean — but it must pay fair market value for them. Your unvested shares are forfeited back to the option pool.
Picture a concrete example. You vested 500,000 shares over three years, and the company terminates you without cause to install a new CEO. As a good leaver, those 500,000 shares are yours. If the company wants them back, it pays you the current fair market value for every share — real money that reflects the value you helped build.
Bad Leaver: The Punitive Exit
A bad leaver is someone who departs under circumstances the agreement treats as harmful to the company. Your goal as a founder is to make this definition as narrow and specific as possible, because the consequences are designed to hurt. A well-drafted bad-leaver definition covers only genuinely serious conduct:
- Conviction of a felony
- Fraud or embezzlement
- Gross negligence or willful misconduct that causes material harm to the company
- Breach of fiduciary duty
- Material breach of your employment or shareholder agreement that you fail to cure after written notice
The financial outcome for a bad leaver is brutal by design. Your unvested shares are forfeited, just like any departure — but your vested shares are punished too. The company typically gets a call right over vested shares at the lower of cost or fair market value — meaning you get back the pennies you paid, no matter how much the company is worth now. Some agreements go further and forfeit vested shares entirely. In UK practice, the convention is even starker: a bad leaver often keeps nothing at all.
This is why the definition of "cause" is the most negotiated paragraph in the whole agreement. A narrow definition lists specific acts — fraud, felony conviction, uncured material breach. A broad one adds catch-all phrases like "conduct detrimental to the company" or "failure to follow board directives," which hand the board wide discretion to recharacterize an ordinary firing as a for-cause termination. If your agreement lets the board do that, your good-leaver protection exists only on paper.
The Price Gap, in Real Numbers
The labels sound abstract until you run the arithmetic. Suppose you hold 1,000,000 founder shares bought at $0.001 each, and the company's current fair market value is $2.00 per share. You leave with 750,000 shares vested and 250,000 unvested.
| Good leaver | Bad leaver | |
|---|---|---|
| Unvested (250,000 shares) | Forfeited at cost: $250 back | Forfeited at cost: $250 back |
| Vested (750,000 shares) | Kept, or bought back at fair value: up to $1,500,000 | Bought back at cost: $750 — or forfeited for nothing |
| Total walking-away value | Up to $1,500,000 | About $1,000 |
That is not a typo. The same founder, with the same shares and the same years of service, walks away with either a life-changing sum or roughly a thousand dollars — decided entirely by which label the departure carries. Every clause below is about making sure the right label applies to you.
Five Clauses to Negotiate Before the Priced Round
Leverage over these terms peaks before institutional money arrives. Once a priced round closes, the investors' lawyers set the template, and founders negotiate from the template's margins. Get these five points settled while you still hold the pen — plus the one tax filing at the end that underpins all of them.
1. A narrow bad-leaver definition with cure periods
Insist that bad-leaver triggers name specific acts — fraud, felony conviction, willful misconduct causing material harm — and delete vague standards like "gross misconduct" standing alone. For breach-of-agreement triggers, require written notice and a cure period of at least 30 days: a missed obligation you fix after being told about it should never cost you your vested equity. Anything the board can stretch after the fact will be stretched.
2. Termination without cause equals good leaver, in writing
This sounds obvious, but many founder agreements leave it implied rather than stated. Spell it out: if the company terminates your service other than for the narrowly defined cause above, you are a good leaver, period. This single sentence is what protects you when the board replaces you for strategic reasons — new CEO, acqui-hire restructuring, investor pressure — rather than anything you did wrong.
3. Good-reason resignation rights
Without this clause, quitting for any reason can land you in bad-leaver territory — including quitting because the company slashed your salary, stripped your title, or moved your role across the country. A good-reason clause lets you resign and still count as a good leaver when specific adverse changes occur: material pay cut, demotion, relocation beyond an agreed radius, or a material reduction in duties. Pair it with process: you give notice, the company gets 30 days to cure, and if it does not, your resignation is a good-leaver departure. Founders who skip this clause discover they are locked in: stay in a diminished role or forfeit everything.
4. Fair-value buyback mechanics, not just the headline price
"Repurchased at fair market value" is only half a protection. The other half is how fair value gets set and when you get paid. Negotiate three details: an independent valuation mechanism (a 409A valuation or a mutually agreed appraiser, not the board's say-so), a payment timeline (lump sum within 90 days beats a five-year promissory note at minimal interest), and interest on any deferred payments. A fair price paid over a decade in installments is a discount wearing a fair-value costume.
5. Double-trigger acceleration for acquisitions
Standard vesting assumes the company stays independent. If the company is acquired, acquirers typically want founders locked in — which can leave you with unvested shares, a diminished role, and no leverage. Single-trigger acceleration vests some or all of your remaining shares the moment the acquisition closes, but acquirers dislike it because it removes your reason to stay. Double-trigger acceleration is the compromise the market has settled on: your vesting accelerates only if the acquisition closes and you are terminated or constructively demoted within a set window afterward, usually 12 months. Ask for double-trigger on 50 to 100 percent of your unvested shares. It is the provision that actually protects founders through an exit.
The tax move that underpins all of it: file your 83(b)
None of the above works tax-efficiently unless you filed a Section 83(b) election within 30 days of receiving your reverse-vesting stock. The election lets you pay tax on the nominal grant-date value — often a few hundred dollars — instead of paying ordinary income tax on the value at every future vesting date, when the shares may be worth far more. The deadline is strict, with no extensions and no exceptions, and missing it also delays the start of your five-year QSBS holding clock on each vesting tranche. File on day one and keep the proof.
Mistakes That Cost Departing Founders Their Equity
- Skipping vesting entirely. The classic disaster is a handshake 50/50 split with no vesting: one founder leaves after four months and keeps half the company forever. Every founder, including the CEO, should vest. Investors will require it anyway at the priced round.
- Signing broad cause language. "Conduct unbecoming" or "failure to perform duties to the board's satisfaction" turns every disagreement into a potential for-cause termination. Narrow, specific, curable — or do not sign.
- Missing the 83(b) deadline. Without the election, each vesting date creates ordinary income tax on value you cannot sell. Founders have owed five-figure tax bills on illiquid shares because of a missed 30-day window.
- Ignoring buyback payment terms. The headline price means little if the company can pay it over ten years at zero interest while inflation and risk do their work. Cap the payout period and require market-rate interest.
- Forgetting the IP assignment. Vesting decides who owns the shares; a separate invention-assignment agreement decides who owns the code and patents. A founder who leaves with disputed IP can hold the company hostage regardless of leaver labels.
- Letting the cap table go stale. Buybacks and reissuances are among the most common causes of inaccurate cap tables. Every repurchase, forfeiture, and re-grant must be recorded the day it happens, or the next financing round starts with a forensic cleanup.
How a Founder Departure Lands in Your Books
A buyback is not just a legal event — it creates accounting entries you need to get right. Forfeited unvested shares return to the option pool and reduce the future dilution overhang. Cash paid to repurchase vested shares is an equity transaction, not an expense: it moves value from cash to treasury stock or cancelled shares, and booking it as compensation expense would misstate both your burn and your equity accounts. If the buyback price sits below fair market value, the spread can even create taxable income for the departing founder, which is one more reason the valuation mechanics in clause 4 matter.
Keep every input to that accounting in one place: the signed vesting schedule, the 83(b) filing proof, each 409A valuation, the board consent authorizing the repurchase, and the updated cap table. When your accountant asks how the share count changed mid-year, the answer should be a ledger entry with a source document attached — not a memory. If you want a system where every equity movement is a transparent, reviewable record, the Beancount documentation shows how plain-text accounting tracks treasury stock, paid-in capital, and buyback payments with full version history.
Keep Your Equity and Your Books Clean From Day One
Founder departures are painful enough without discovering that your leaver clauses, your cap table, and your books all disagree about what happened. Beancount.io provides plain-text accounting that gives you complete transparency and control over your financial data — every equity grant, forfeiture, and buyback recorded as version-controlled, auditable entries. Get started for free and build your company's financial records on a foundation that survives co-founder changes, financings, and exits.
