It is the most quoted phrase in startup offer letters, and most people sign it without really understanding the mechanics. Here is what 4-year vesting with a 1-year cliff actually means, day by day.
Your equity grant unlocks over four years, but nothing vests for the first year. On the one-year anniversary of your start date, 25% of the grant lands in one go. After that, the remaining 75% drips out monthly (or quarterly) over the next three years. After four years total, you are fully vested.
The first year is the cliff. The whole reason it exists is so the company is not stuck granting equity to a hire who leaves after two months. The whole reason you care about it is that the cliff date is the single most expensive calendar entry of your tenure. See the vesting cliff reminder pillar for why people miss it.
Mark your cliff date now while you're thinking about it.
Done in seconds. No sign-up required.
Imagine you joined a startup on January 1, 2025 with a four-year option grant of 40,000 shares, standard schedule, monthly vesting after the cliff.
The math is just 1 divided by 4. Four-year vest, one-year cliff, equal rate. If the schedule said three-year vest with one-year cliff, 33% would vest at the cliff. If the schedule said five-year vest with one-year cliff, 20%. The cliff is not a separate bonus — it is just the catch-up for the year that already happened.
Some non-standard schedules tweak this. A "back-weighted" vest gives less at the cliff and more later (encourages staying longer). A "front-loaded" vest gives more at the cliff (rewards joining early). Both are unusual. If your offer letter does not say otherwise, assume straight-line 25% at the 1-year mark.
Once you cross the cliff, your remaining 75% vests in small increments. Two common cadences:
Quarterly vesting introduces three more "mini-cliffs" per year after the main cliff is past. Each one is small individually, but they add up. If you have quarterly vesting, the reminder logic is the same — pick the next vest date.
The 4/1 schedule is the default, not the only option. Variations you may see:
| 3-year vest, 1-year cliff | 33% at cliff, then monthly. Shorter total commitment. |
| 4-year vest, no cliff | Equity vests from day one, usually monthly. More employee-friendly. |
| 4-year vest, 6-month cliff | 12.5% at cliff. Less common, often offered as a recruiting concession. |
| 5-year vest, 1-year cliff | 20% at cliff. Rare at startups, more common at PE-backed companies. |
| 4-year with back-weighting | 10/20/30/40 split — most equity in years 3–4. Big retention play. |
You earn the right to your full equity grant over four years, but nothing vests for the first 12 months. On the 12-month anniversary of your vesting commencement date, 25% of the grant vests at once. The remaining 75% then vests gradually over the next three years.
On a standard 4-year grant with a 1-year cliff, exactly 25% vests on the cliff date. That is one quarter of the total grant unlocked in a single day. The math is straightforward: 1 year out of 4, equal-rate vesting.
The remaining 75% vests over the next 36 months. Most grants use monthly vesting (1/48 of the total grant per month), some use quarterly (1/16 per quarter). Check your grant agreement — the difference matters when timing career moves.
On the four-year anniversary of your vesting commencement date. After that, no more grant vests from this particular award. Companies often issue refresh grants before this date to keep retention going.
For US startups, yes. It has been the canonical schedule since the early 2000s and remains the default in most Series Seed through Series C grants. Some late-stage companies and a few outliers experiment with shorter cliffs or longer vest periods, but 4/1 is the baseline you should expect.
Shorter vest schedules (3 years) and no-cliff offers exist, especially at later-stage companies. No-cliff means equity vests from day one, usually monthly. Shorter vest means the same grant unlocks faster. Both are employee-friendly. The reminder still matters for the cliff date if one exists.
Not unilaterally. Your grant agreement governs the schedule. Some agreements have acceleration clauses (single-trigger or double-trigger) that change vesting if the company is acquired or you are terminated without cause. Those are written into the agreement, not added later.
Free reminder by email. We'll notify you days before your 1-year cliff lands so you can plan around it, not stumble into it.
Set My Vesting Cliff ReminderLast modified: