What Is Share Vesting And What Kind Of Contract Do You Need?

If you’re building a startup in Australia with co-founders, early employees or advisors, you’ve probably heard the term “vesting”. It’s one of the best ways to align incentives, protect your cap table and reassure investors that equity is earned over time - not gifted on day one.

But what exactly is share vesting, how does it work in practice, and which contract should you use to put it in place? In this guide, we’ll break down the concepts in plain English and walk you through the key documents you’ll need to implement vesting the right way.

Whether you’re planning to issue shares to founders, grant options to employees or reward an advisor, setting up vesting early can save you significant headaches later. Let’s dive in.

What Is Share Vesting In Australia?

Share vesting is a mechanism that ties equity to time or performance, so recipients “earn” their shares (or the right to receive them) over a defined period. If they leave early or fail to meet agreed milestones, some or all of the unvested equity can be bought back or forfeited.

In Australia, founders usually use “reverse vesting” for already-issued founder shares, and use share options (granting the right to acquire shares in future) for employees and contractors. The goal is the same: keep people committed and make sure equity reflects actual contribution.

Common Vesting Models

• Time-Based Vesting: Equity vests in equal installments (e.g. monthly or quarterly) over a period (often 3-4 years). Many startups add a “cliff” - for example, nothing vests for the first 6-12 months, then a chunk vests at once, with the rest vesting regularly thereafter.
• Milestone/Performance Vesting: Equity vests when specific goals are met (e.g. shipping an MVP, reaching $X revenue, or achieving product or regulatory milestones). You can combine this with time-based vesting to balance retention and output.
• Cliff: A minimum service period before any vesting occurs. If a founder or employee leaves before the cliff, nothing vests.
• Acceleration: Some or all unvested equity vests early if a “change of control” occurs (e.g. your company is acquired). Acceleration can be single-trigger (on the deal) or double-trigger (deal plus termination without cause within a set period).
• Good Leaver/Bad Leaver: Defines outcomes if someone departs. Good leavers (e.g. redundancy, illness) may keep some vested equity; bad leavers (e.g. serious misconduct) usually retain less or none of what’s unvested and may face stricter buy-back terms.

Vesting Structures: Shares vs Options vs RSUs

• Reverse Vesting on Shares: The recipient holds shares up front, subject to buy-back or forfeiture if they leave. This is common for founders and is typically documented in a Share Vesting Agreement.
• Options (ESOP): The recipient earns the right to buy new shares at a set price in future. This is the go-to for employees via an Employee Share Option Plan (ESOP).
• Restricted Stock Units (RSUs): A promise to issue shares at vesting without an upfront exercise price. RSUs can be tax-effective in certain scenarios; see our overview of Restricted Stock Units (RSUs).

Each approach has different tax, accounting and administrative implications. It’s a good idea to discuss with your accountant and get legal advice on the best fit for your stage and team.

Why Do Startups Use Vesting For Founders, Employees And Advisors?

Vesting protects both your business and your team. Here’s why it’s standard practice in Australian startups.

• Retention: Vesting encourages people to stay the course. Equity becomes a long-term reward for ongoing contribution, not a lump sum on day one.
• Fairness: If someone leaves early, they don’t walk away with a big stake. Vesting is a fair way to match equity to effort over time.
• Investor Confidence: Sophisticated investors expect vesting. It shows you’re managing your cap table sensibly and reducing risk.
• Cap Table Hygiene: Without vesting, you can end up with passive shareholders who hold significant equity but no longer contribute - which can be a problem in future rounds or exits.
• Flexibility: Time-based vesting is simple and predictable, while milestone vesting helps drive specific outcomes. You can tailor the mix.

If you’re still deciding how to divide equity at a high level, it’s worth reading through practical guidance on how to allocate shares in a startup and the role vesting plays in keeping things balanced as the company grows.

Which Vesting Instrument Should You Choose?

Your choice depends on who’s receiving the equity, what stage you’re at, and tax/admin preferences. These are the common options in Australia.

1) Share Vesting (Reverse Vesting) For Founders

Founders often hold shares from the outset, but those shares are subject to vesting via a Share Vesting Agreement. If a founder leaves before full vesting, the company (or remaining founders) can buy back unvested shares at a nominal price.

This keeps your cap table clean and aligns incentives between founders. You’ll also want to make sure the vesting mechanics are consistent with your Shareholders Agreement and Company Constitution.

2) Options Under An ESOP For Employees

Options let you grant the right to acquire shares in future at a set price (the exercise price). It’s a common tool to attract and retain talent without having to issue shares immediately.

You can implement options under an Employee Share Option Plan and use individual offer letters for each employee. For custom, one-off arrangements (e.g. for an advisor), an Option Deed can work well.

3) RSUs Or Phantom Equity For Specific Cases

RSUs can be attractive where you want a simple promise of future shares on vesting without an upfront cost to the recipient. For some teams or later-stage companies, cash-settled “phantom equity” may suit - for example, a Phantom Share Scheme or Phantom Share Option Plan. These mimic equity outcomes without actually issuing shares.

Think about what you’re rewarding (time vs milestones), your valuation trajectory, tax considerations, and your administrative capacity. A simple structure you’ll actually manage beats a complex plan that isn’t maintained.

What Contract Do You Need For Share Vesting?

To implement vesting cleanly, you’ll typically use a combination of documents that work together.

Core Documents

• Share Vesting Agreement: For founder reverse vesting, this contract sets the vesting schedule, buy-back rights and leaver provisions tied to the founder’s shares. It should align with your constitution and shareholder arrangements.
• ESOP Rules and Offer Letters: For employees, the ESOP rules set out how options are granted and managed, while individual offer letters set vesting and specific terms.
• Option Deed: Useful where you want to grant options outside a full plan (e.g. to an advisor or contractor), with tailored vesting conditions.

Related Governance And Foundation Documents

• Shareholders Agreement: Governs how the company is run and how shares are transferred, and should recognise vesting and buy-back mechanics. You can put a robust Shareholders Agreement in place early.
• Company Constitution: Your constitution should permit buy-backs, option grants and other capital actions that support vesting. If needed, update your Company Constitution so it all fits together.
• Board/Shareholder Approvals: Many actions (issuing shares or options, buy-backs) require formal approvals. A clear paper trail using a Directors Resolution Template helps.

Other Agreements That Tie In

• Employment or Contractor Agreements: These should be consistent with your vesting terms and set out what happens on termination. If you’re hiring, ensure you also have a suitable Employment Contract or Contractor Agreement.
• IP Assignment: Make sure any IP created by founders, employees or contractors is properly owned by the company, especially when equity is used as part of remuneration. An IP Assignment is essential.

Investors will look for a consistent, legally sound set of documents that reflect your vesting arrangements across governance, employment and equity plans.

Key Terms To Include In A Vesting Agreement

Here are the key clauses you’ll want to cover in your vesting documents (whether it’s a Share Vesting Agreement, ESOP rules, an Option Deed or RSU terms):

• Vesting Schedule: Time-based tranches (e.g. monthly over 4 years) and any cliff period.
• Milestones: Any performance or project milestones that trigger vesting, and how they’re measured and verified.
• Acceleration: What vests early on a change of control, and whether it’s single- or double-trigger.
• Good Leaver/Bad Leaver: Clear definitions and consequences for vested vs unvested equity on departure.
• Buy-Back/Forfeiture: Mechanism, price, timeframe and approvals for buying back unvested shares (for reverse vesting) or forfeiting/terminating options.
• Consideration and Exercise: Price paid for shares now (if any) or the option exercise price later; how and when payment occurs.
• Tax: Basic tax obligations and acknowledgements. For options/ESOP, reference to the relevant Australian tax rules and reporting.
• Termination Triggers: What happens to unvested and vested equity on resignation, termination for cause, redundancy, illness or death.
• Restrictions: Transfer restrictions, pre-emptive rights, drag/tag alignment with your shareholders agreement.
• Administration: Plan rules hierarchy, board discretion, and any requirement to sign supplemental documents.
• Dispute Resolution and Governing Law: A straightforward path to resolve disputes and clarity on jurisdiction.
• Execution: Ensure the document is properly signed. For companies, consider execution under section 127 and whether electronic signing is acceptable under your policies and the law (see wet ink vs e-signatures).

Keep the language clear. If it’s difficult to understand today, it’ll be harder to apply when you truly need it.

Step-By-Step: Implementing Vesting In Your Company

Here’s a practical sequence you can follow to put vesting in place and keep your cap table tidy.

1) Decide What You’re Trying To Incentivise

Are you rewarding tenure, the delivery of critical milestones, or both? For early-stage founders, reverse vesting with a 12-month cliff and 3-4 year schedule is common. For employees, time-based vesting under an ESOP is a simple default, with performance top-ups for key roles.

2) Select The Right Structure And Draft The Core Document

• Founders: Use a Share Vesting Agreement for reverse vesting on founder shares.
• Employees: Configure an ESOP and prepare offer letters; for once-off grants, consider an Option Deed.
• RSUs/Phantom: If shares on vesting or cash-settled awards suit you better, set rules and offers consistently.

3) Align Your Constitution And Shareholders Agreement

Check that your Company Constitution supports buy-backs, option issues and transfer restrictions. Reflect vesting logic and leaver/buy-back provisions in your Shareholders Agreement. This alignment avoids conflict between documents.

4) Get Approvals Right

Prepare board minutes and obtain shareholder approvals where required. Keep resolutions and consents tidy using a Directors Resolution Template and store them alongside your plan documents.

5) Issue Or Grant Properly

When raising or onboarding team members, use the appropriate instrument for the equity you’re granting. For new cash investors or founder top-ups, a Share Subscription Agreement helps formalise the share issue. For options, ensure grant notices and cap table entries match your ESOP rules.

6) Paper The Employment/Contractor Side

Make sure employment or services agreements are consistent with your vesting terms, especially on termination. Confirm IP assignment to the company (via an IP Assignment) so the equity you’re granting actually protects the value being created.

7) Maintain Your Cap Table And Records

Keep your cap table up to date, including vested vs unvested balances. Issue share certificates promptly (see our guide to Share Certificates) and maintain option registers. Good record-keeping reduces friction in future rounds and due diligence.

8) Review As You Grow

As your business matures, your vesting settings might evolve (e.g. adding acceleration, introducing performance grants or new classes of shares). Review annually and after significant events (funding, acquisitions, major hires).

Common Pitfalls And How To Avoid Them

• Unaligned Documents: If your vesting agreement, constitution and shareholders agreement don’t match, you risk disputes or unenforceable buy-backs. Align them from the start.
• Ambiguous Leaver Definitions: Vague “good/bad leaver” wording creates uncertainty at the worst time. Define scenarios clearly and set outcomes for both vested and unvested equity.
• Admin Drift: Not updating registers or missing approvals can snowball. Designate a person to manage equity admin and calendar key vesting dates.
• Over-Complex Plans: A sophisticated structure that isn’t maintained is riskier than a simple one that is. Keep it practical and scalable.
• Tax Oversights: Tax can vary with options, RSUs and reverse vesting. Coordinate with your accountant before you grant, not after.
• No Exit Thought: Consider how vesting behaves at acquisition or IPO (e.g. acceleration). Get those terms in writing early so there are no surprises later.

Key Takeaways

• Share vesting ties equity to time or performance, protecting your cap table and aligning incentives as your Australian startup grows.
• Founders commonly use reverse vesting with a Share Vesting Agreement; employees often receive options under an ESOP, with RSUs or phantom equity used in specific cases.
• Your vesting setup should align across your Shareholders Agreement, Company Constitution and board/shareholder approvals to avoid conflicts.
• Essential vesting terms include schedule, cliff, acceleration, leaver definitions, buy-back/forfeiture and clear administration rules.
• Implement vesting with a simple, repeatable process: choose your structure, draft the core documents, get approvals, issue or grant properly, and maintain your records.
• Review vesting settings as you scale, and consider tax and exit scenarios early to avoid costly surprises.

If you’d like help selecting the right vesting structure and preparing the contracts for your Australian startup, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.