Rethinking Equity Vesting: Why 4 Years Isn't Written in Stone

The standard equity vesting schedule — four years, one-year cliff — has been the default for so long that most founders treat it as a law of nature rather than a convention. You adopt it without much thought because that's what everyone does, your lawyers put it in the template, and candidates expect it.

But conventions exist for a reason, and it's worth asking whether the reason still applies.

Four-year vesting emerged in an era when the average time from founding to IPO was four to five years. Get the team together, build the product, find product-market fit, go public. The vesting schedule mirrored the company lifecycle. It made sense.

That era is over.

The median time from founding to IPO for venture-backed companies has grown to over ten years, and the best-known companies of the last decade — Stripe, Databricks, SpaceX, Canva — have been private for twelve, fifteen, sometimes twenty years while continuing to create extraordinary value. If your vest schedule is shorter than your ambition, you've created a misalignment at the structural level.

A four-year vest in a fifteen-year company means your earliest and most important employees are fully vested — economically done, effectively free agents — long before the story is over.

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What Gets Misaligned

The vesting schedule isn't just a financial mechanism. It's a statement about how long you think this will take, and how seriously you're asking people to commit.

When early employees hit their four-year cliff and hold all of their equity, the retention economics of their situation change completely. They're not unvested employees with strong financial incentive to stay — they're fully vested shareholders who are there by choice. For many people, that choice is straightforward: they're bought in, love the mission, and aren't going anywhere. For others, especially high performers who get recruited aggressively, the absence of unvested equity becomes a real factor. A competing offer with a large new grant is now all upside; staying involves no financial cost.

This is the cliff problem. And it arrives on a predictable schedule that you set when you chose a four-year vest.

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Three Things Worth Rethinking

1. Schedule Length

More founders are experimenting with six-year vesting for founding team members and early employees — still with a one-year cliff, but with the vesting period extended through year six.

The case for it is straightforward: you're asking people to help build something that will take a decade or more. A six-year vest is honest about that. It aligns the financial incentive with the actual timeline. And for early employees who believe in the mission, a longer vest isn't a deterrent — it's a signal that you're serious about what you're building together.

The pushback is predictable: candidates will resist longer vests; it's harder to recruit. That's worth taking seriously, and it's also worth asking who you're recruiting. The person who walks away from an opportunity because the vest is six years instead of four may not be the person you need at year five. The person who thinks "six years — this founder is building something real" is exactly who you want at the table.

Six-year vests are still uncommon enough to be notable. That's not necessarily a problem. Differentiated culture starts with differentiated decisions.

2. Back-Weighted Schedules

Standard vesting is linear: equal amounts vest each month over four years. A back-weighted schedule front-loads the cliff while concentrating larger portions of equity in the later years.

Amazon has used a version of this for years with its RSU grants: 5% vests in year one, 15% in year two, 40% in year three, 40% in year four. The schedule is intentionally designed to make staying through years three and four economically powerful. Employees who might otherwise leave at year two — having received their cliff and a modest additional tranche — have a strong financial reason to stay.

For startups, a back-weighted approach might look like:

• Year 1: 10% (cliff at 12 months)
• Year 2: 15%
• Year 3: 25%
• Year 4: 25%
• Years 5–6: 25% (if using a six-year schedule)

The effect: early departure is less economically devastating for the company, and staying has compounding financial benefit for the employee. It shifts the retention incentive from "please don't leave before your cliff" to "the best financial outcome for you keeps improving the longer you stay."

This is particularly well-suited to founding employees who are deeply committed and whose full value to the company compounds over time.

3. Refresh Cadence

Even the best-designed initial vesting schedule creates a retention problem eventually. Everyone vests out at some point. The question is what you do about it — and when.

Ad hoc refreshes are the default: a high performer gets a competing offer, you give them more equity to stay. This is expensive, reactive, and sends the wrong signal. You're essentially rewarding people for threatening to leave.

Strategic refreshes are merit-based grants tied to performance, promotion, or a significant role change. An engineer who was hired as an IC and grew into a technical lead over three years should receive an additional grant that reflects their current contribution and signals their continued importance. This is healthy and appropriate, but it requires a framework — otherwise you're making ad hoc decisions inconsistently.

Systematic refreshes are programmatic: every employee who has been with the company for a defined period receives a refresh grant, regardless of individual circumstances. This is more expensive but more equitable and more culturally powerful. It tells every employee that the company is investing in them, not just responding to threats.

The right answer depends on your stage and philosophy. But the minimum viable position is to have a policy before it's needed — not to be inventing it the first time a strong performer starts interviewing elsewhere.

On sizing: refresh grants typically range from 25–50% of the original grant, on a new four-year vesting schedule. The exact number depends on your pool availability and the current equity value, but the design principle holds regardless. For a deeper look at pool management and how refreshes affect dilution, see our guide on startup option pool sizing.

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The Mechanics of Moving Away from Standard

If you want to adopt longer vests, back-weighted schedules, or a systematic refresh program, a few practical notes:

For new grants, the change is straightforward. Your equity incentive plan grants authority to the board to set vesting terms on individual grants. You don't need to amend the plan itself to change the vesting schedule — you just document the new terms in the grant agreement and board resolution.

For existing employees, conversion requires consent. You can't unilaterally extend someone's vesting schedule. If you want existing employees to move to a six-year schedule, it requires a conversation, a new agreement, and their consent. Many employees will agree to extended vesting in exchange for additional equity or other consideration. Some won't, and that's a legitimate outcome.

Investor reactions. Institutional investors generally don't object to longer employee vesting — it aligns incentives in ways that benefit everyone, including investors. Some investors may push back on extended founder vesting if they want the standard four-year schedule for alignment purposes. The negotiation is the same as any other vesting discussion: lead with the logic, have a position, be prepared to compromise on the mechanics while holding the principle.

A current 409A matters more with non-standard schedules. Any time you're granting options, you need a current 409A valuation to set the exercise price at fair market value. This is especially important with back-weighted or extended schedules where larger tranches vest in future years — the tax treatment of those options depends on having a valid FMV determination at the time of grant.

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The Vesting Schedule Is a Cultural Document

The point the standard four-year template misses is that a vesting schedule communicates something beyond its mechanics.

It communicates how long you think this will take. It communicates how seriously you're asking people to bet on the mission. It communicates whether you're building a company or a sprint.

The founders who are building something genuinely enduring — companies designed to last a decade or more — are starting to realize that their equity structure should reflect that ambition. A six-year vest, a back-weighted schedule, a systematic refresh program: these are tools for building a company where the people who help build it are genuinely there for the long run.

Four years is a convention. It's a useful starting point. It's not the answer.

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For the mechanics of standard vesting, restricted stock, and what happens to equity when someone leaves, see our guides on founder vesting and equity after termination.

Flux Law works with early-stage founders on equity plan design and compensation strategy. Learn more →