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A Put Option Agreement is a legally binding contract that grants one party — the option holder — the right, but not the obligation, to sell a defined asset (typically shares, a business interest, or real property) to another party — the grantor — at a pre-agreed price within a specified time window. Unlike a share purchase agreement, which creates an immediate and mutual obligation to transact, a put option is a unilateral instrument: the grantor is bound to purchase if the option is exercised, while the option holder retains complete freedom to decide whether to sell. This asymmetry is the agreement's defining commercial feature — it provides the option holder with a guaranteed exit floor while preserving the choice not to use it if market conditions are more favorable.
Without a written put option agreement, an investor or minority shareholder has no enforceable exit right beyond what is provided in the company's constitutional documents — which rarely include a guaranteed buyback at a fixed price. The consequences of this gap are concrete: when a joint venture sours, a funding round stalls, or a majority shareholder refuses to facilitate an exit, the minority party is left negotiating from a position of weakness with no contractual leverage. Courts will not imply a put right from informal assurances or prior conduct. A properly drafted and signed put option agreement changes that position entirely — it creates an obligation the grantor cannot withdraw, specifies an exercise price free from post-hoc renegotiation, and preserves the option holder's right to seek specific performance if the grantor refuses to complete. This template gives you a professionally structured starting point that covers every material term, reducing drafting time and ensuring the critical protections — irrevocability, payment security, and a defined valuation mechanism — are in place before the agreement is signed.
| If your situation is… | Use this template |
|---|---|
| Granting an investor the right to sell shares back to the company | Put Option Agreement (Shares) |
| Structuring a reciprocal buy-sell right between joint venture partners | Shareholders Agreement with Put and Call Options |
| Granting the company the right to buy back shares from an investor | Call Option Agreement |
| Documenting the full transfer of shares after a put option is exercised | Share Purchase Agreement |
| Providing a minority shareholder a guaranteed exit in a buyout | Buy-Sell Agreement |
| Combining a put and call into a single bilateral option instrument | Put and Call Option Agreement |
| Granting a put right over real property rather than shares | Real Estate Option Agreement |
Why it matters: Without express irrevocability, the grantor may argue the option can be withdrawn at any time before exercise, negating the entire commercial purpose of the agreement.
Fix: State in the grant clause that the put option is 'irrevocably granted' and cannot be withdrawn, amended, or waived except by written agreement signed by both parties.
Why it matters: Terms like 'fair market value' or 'agreed value' without a defined appraisal process create disputes that can take months to resolve, blocking completion and destroying the option's utility.
Fix: Define every input to the formula, name a specific valuation methodology (e.g., trailing 12-month EBITDA × [X]), and appoint a named or deterministic tiebreaker — such as the president of the relevant CPA institute — to resolve disputes within 30 days.
Why it matters: If a condition requires the grantor's own board approval or internal consent, the grantor can effectively veto exercise indefinitely by withholding it — making the put option economically worthless.
Fix: Limit conditions precedent to third-party regulatory approvals and add a 'reasonable endeavors' obligation requiring the grantor to actively pursue satisfaction of each condition within a defined deadline.
Why it matters: If the grantor is illiquid or insolvent when the put is exercised, the option holder's only recourse is an unsecured damages claim — often uncollectable against a distressed counterparty.
Fix: Negotiate a bank guarantee, standby letter of credit, or escrow funded at signing to secure the grantor's payment obligation before the option is granted.
Why it matters: If new shares are issued between signing and exercise, a percentage-only description causes disputes about how many shares are actually covered — with no agreed mechanism to resolve them.
Fix: Define the option asset by a fixed number of shares and share class, and include an anti-dilution adjustment clause specifying how the number and exercise price adjust on any dilutive issuance.
Why it matters: Without express provisions, courts disagree on whether a timely exercise notice preserves the option holder's rights beyond the option period — leaving the transaction in legal uncertainty.
Fix: Add a provision stating that a validly delivered exercise notice within the option period extends the option holder's rights until conditions are satisfied or a long-stop date is reached, whichever is earlier.
In plain language: Identifies the option holder and the grantor by their full legal names and entity types, and summarizes the commercial context and purpose of the agreement.
This Put Option Agreement is entered into on [DATE] between [OPTION HOLDER FULL LEGAL NAME], a [ENTITY TYPE] incorporated in [JURISDICTION] ('Option Holder'), and [GRANTOR FULL LEGAL NAME], a [ENTITY TYPE] incorporated in [JURISDICTION] ('Grantor').
Common mistake: Using a trade name instead of the registered legal entity name — enforcement against the wrong entity can render the agreement worthless if the grantor disputes liability.
In plain language: States that the grantor irrevocably grants the option holder the right to sell the defined asset at the exercise price during the option period, and confirms the option holder is under no obligation to exercise.
The Grantor hereby irrevocably grants to the Option Holder the right (but not the obligation) to require the Grantor to purchase the Option Shares at the Exercise Price at any time during the Option Period, subject to the terms of this Agreement.
Common mistake: Omitting the word 'irrevocably' — without it, the grantor may argue the option can be withdrawn before exercise, destroying its commercial value.
In plain language: Precisely identifies the shares, units, or asset that is the subject of the put — including class, number, certificate numbers, and any encumbrances.
The 'Option Shares' means [NUMBER] ordinary shares of [COMPANY NAME] (Company No. [XXXXXX]), representing [X]% of the issued share capital as at the date of this Agreement, registered in the name of the Option Holder and free from all encumbrances.
Common mistake: Describing the asset by percentage only without a fixed number — if new shares are issued before exercise, the percentage calculation becomes disputed.
In plain language: States the price the grantor must pay on exercise — either a fixed amount or a formula tied to earnings, revenue, or a third-party valuation — and specifies how disputes about value are resolved.
The 'Exercise Price' means $[FIXED AMOUNT] per Option Share; or, if the parties elect a formula basis, [X] times EBITDA for the 12-month period ending [DATE], as confirmed by an independent accountant appointed by [METHOD] within [X] business days of an Exercise Notice.
Common mistake: Using a formula with undefined inputs — terms like 'fair market value' without a defined appraisal process create disputes that delay or prevent completion.
In plain language: Defines the start and end dates of the option window, the form and delivery method of the exercise notice, and any blackout periods during which the option cannot be exercised.
The Option Holder may exercise the put option at any time from [START DATE] to [END DATE] ('Option Period') by delivering a written Exercise Notice to the Grantor at the address set out in Clause [X]. The Option Period shall not be extended without the written consent of both parties.
Common mistake: Failing to specify what happens if the exercise notice is sent but the option period expires before completion — leaving the transaction in legal limbo.
In plain language: Lists any approvals, consents, or events that must occur before the option can be validly exercised or before the sale can complete — such as board approval, regulatory clearance, or a triggering event.
Exercise of the put option is conditional upon: (a) receipt of written consent from the board of directors of [COMPANY NAME]; (b) no material adverse change in the business of [COMPANY NAME] occurring after the date of this Agreement; and (c) [ANY OTHER CONDITIONS].
Common mistake: Including overly broad conditions precedent that the grantor controls — allowing the grantor to block exercise indefinitely by withholding a consent that is entirely within its power to grant.
In plain language: Sets the date by which completion must occur after a valid exercise notice, how the exercise price is paid (wire transfer, escrow, installments), and the simultaneous obligations of each party at closing.
Completion shall occur on the date falling [X] business days after delivery of the Exercise Notice. At Completion, the Grantor shall pay the Exercise Price in full by wire transfer to [ACCOUNT DETAILS], and the Option Holder shall deliver duly executed stock transfer forms and the relevant share certificates.
Common mistake: No escrow or security for the exercise price — if the grantor is illiquid at completion, the option holder has only a damages claim with no guaranteed recovery.
In plain language: Each party confirms fundamental facts — that they have authority to enter the agreement, the shares are unencumbered, and no prior agreements conflict with its terms — giving the other party a breach of warranty claim if any representation proves false.
The Option Holder represents and warrants that: (a) it has full power and authority to enter into this Agreement; (b) the Option Shares are legally and beneficially owned by the Option Holder free from all encumbrances; and (c) there are no agreements restricting the transfer of the Option Shares.
Common mistake: Omitting the grantor's representations — particularly a warranty that the grantor has the financial capacity and authority to complete the purchase, without which the option holder has no warranty claim if the grantor cannot fund completion.
In plain language: Specifies what constitutes a default by either party and the remedies available — specific performance, interest on late payment, and the right to bring legal proceedings for losses caused by the breach.
If the Grantor fails to pay the Exercise Price at Completion, the Option Holder may: (a) seek an order for specific performance compelling the Grantor to complete; (b) claim interest on the unpaid Exercise Price at [X]% per annum from the Completion Date; and (c) claim all losses, costs, and expenses arising from the default.
Common mistake: Relying on damages as the sole remedy — specific performance is often the more valuable right because it forces the sale to complete rather than leaving the option holder with a money judgment against a potentially insolvent grantor.
In plain language: Specifies which jurisdiction's law governs the agreement and how disputes are resolved — litigation, arbitration, or mediation — and the seat and language of any arbitral proceedings.
This Agreement is governed by the laws of [STATE / PROVINCE / COUNTRY]. Any dispute arising out of or in connection with this Agreement shall be referred to and finally resolved by [binding arbitration / the courts of [JURISDICTION]], with proceedings conducted in [LANGUAGE] in [CITY].
Common mistake: Choosing governing law based on convenience rather than where the asset or grantor is located — courts in several jurisdictions will apply local mandatory law regardless of a foreign-law choice, particularly for share transfers of domestic companies.
Enter the full registered legal name, jurisdiction of incorporation, and registered address for both the option holder and the grantor. Confirm that each party has authority to enter the agreement through its constitutional documents.
💡 Run a company registry search before signing to confirm the grantor's legal name and good standing — an entity that has been dissolved cannot be bound by the agreement.
Specify the exact shares or asset subject to the put by class, number, and certificate number. If the asset is a shareholding, confirm the percentage it represents and whether that percentage is dilution-protected.
💡 Include an anti-dilution adjustment formula if new share issuances are likely before the option period ends — otherwise a dilutive fundraise will reduce the value of the put without a price adjustment.
Choose between a fixed exercise price (simpler, more certain) and a formula-based price tied to EBITDA, revenue, or net asset value. If using a formula, define every input term and appoint a tiebreaker mechanism for valuation disputes.
💡 A fixed price provides certainty for both parties; a formula-based price is fairer if the option period is long — but always include a floor and a cap to bound the range.
Enter exact start and end dates for the option window. Avoid 'trigger event' start dates without also specifying a long-stop date — open-ended option periods create valuation uncertainty and can be difficult to enforce.
💡 Option periods of 12–36 months are typical for private equity and joint venture arrangements. Options running longer than 5 years may face enforceability challenges in some jurisdictions.
List every condition that must be met before exercise or completion. If regulatory approval is required, specify the authority and the deadline for obtaining it. Avoid conditions the grantor controls unilaterally.
💡 Add a 'deemed satisfaction' provision stating that conditions are deemed met if the grantor fails to use reasonable endeavors to satisfy them within a specified period.
Set a specific completion date (typically 10–20 business days after exercise notice), the payment method, and whether funds will be held in escrow pending transfer of title. Include simultaneous exchange obligations so neither party is exposed.
💡 If the grantor's ability to fund the exercise price is uncertain, negotiate a payment guarantee, a letter of credit, or an escrow funded at signing rather than at exercise.
Confirm that the option holder's right to seek specific performance — forcing the grantor to complete the purchase — is expressly preserved alongside damages claims.
💡 In many jurisdictions, specific performance is discretionary unless the contract expressly records that the parties intend it to be available — include that language explicitly.
Both parties must sign the agreement before the events or circumstances that will make the put right valuable — signing after a dispute arises is too late. Date the agreement accurately and retain executed originals.
💡 Use Business in a Box eSign to timestamp execution and create an auditable record of when signatures were applied relative to any triggering events.
A put option agreement is a legally binding contract that gives one party — the option holder — the contractual right, but not the obligation, to sell a defined asset (typically shares or a business interest) to the other party — the grantor — at a predetermined price within a specified time window. The grantor is obligated to buy if the option is exercised; the option holder chooses freely whether to exercise. Put options are used in private equity exits, joint ventures, shareholder buybacks, and real estate co-investments.
A put option gives the holder the right to sell an asset to the grantor. A call option gives the holder the right to buy an asset from the grantor. In shareholder arrangements, a put option protects a selling party (typically a minority investor wanting an exit guarantee), while a call option protects a buying party (typically a majority owner wanting the right to acquire remaining shares). The two are often combined in the same shareholders agreement to create a balanced buy-sell mechanism.
Use a put option agreement when an investor, minority shareholder, or asset co-owner needs a contractual guarantee that they can exit their position at a known price, regardless of market conditions. Common triggers include the close of a funding round where investors receive downside protection, the formation of a joint venture where partners need exit certainty, a phased acquisition where the seller retains a put on unsold shares, and succession or buyout planning for closely-held businesses.
Yes. In virtually all common-law and civil-law jurisdictions, an option over shares or real property must be in writing to be enforceable. Verbal put option agreements are generally unenforceable because they lack the certainty of terms required for specific performance. A written agreement also creates the documentary evidence needed to enforce the option if the grantor refuses to complete the purchase.
Yes — and it should be. Including the word 'irrevocably' in the grant clause prevents the grantor from withdrawing the option before the option period expires. Without express irrevocability, common-law courts in some jurisdictions have found that an option can be withdrawn before exercise if it was not supported by separate consideration. If the put right is the commercial consideration for entering a transaction, expressly state that it is irrevocable and supported by adequate consideration.
The exercise price can be a fixed dollar amount per share — offering certainty for both parties — or a formula tied to a financial metric such as EBITDA, revenue, or net asset value at the time of exercise. Fixed prices are simpler and avoid valuation disputes; formula prices are fairer over long option periods when business value may change significantly. Whichever method is used, define every input to the formula precisely and include a dispute resolution mechanism for valuation disagreements.
If the grantor refuses to complete after a valid exercise notice, the option holder typically has two remedies: a claim for specific performance — a court order compelling the grantor to complete the purchase — and a claim for damages covering all losses caused by the breach. Specific performance is generally the more valuable remedy because it forces the transaction to close rather than leaving the option holder with a money judgment. Express the right to specific performance in the contract to ensure courts treat it as available without requiring further argument.
In most jurisdictions, stamp duty or securities transfer tax becomes payable on completion of the share transfer triggered by exercise — not on the grant of the put option itself. In the UK, stamp duty on shares is 0.5% of the exercise price paid. In Canada, provincial securities transfer taxes vary. In the US, federal stamp duty on share transfers was abolished, but some state transfer taxes may apply. Consider consulting a tax adviser before structuring the exercise price, as the tax treatment of gains on exercise also varies by jurisdiction and holding period.
For straightforward shareholder put options in a single jurisdiction, a high-quality template reviewed by a lawyer is usually sufficient and cost-effective. Engage a lawyer directly when the option covers a material asset value (above $500K), involves cross-border parties, is part of a complex capital structure with anti-dilution, liquidation preference, or drag-along mechanics, or when the grantor's financial capacity to complete is uncertain. A 2–4 hour legal review of a template typically costs $600–$1,500 and is worthwhile for any option over a significant business interest.
A call option gives the holder the right to buy an asset from the grantor; a put option gives the holder the right to sell an asset to the grantor. They protect opposite parties in a transaction — the call protects a buyer wanting acquisition certainty, while the put protects a seller wanting exit certainty. The two instruments are often combined in a single shareholders agreement to create a balanced bilateral exit mechanism.
A share purchase agreement documents the immediate, unconditional transfer of shares — both parties are obligated to complete at signing. A put option agreement grants a future right to sell that the option holder may or may not choose to exercise. Use a share purchase agreement when a sale is agreed and proceeding now; use a put option when one party needs a guaranteed future exit right but is not yet committed to selling.
A shareholders agreement governs the ongoing relationship between co-owners of a company — covering voting rights, dividend policy, board composition, and exit provisions including put and call options. A standalone put option agreement contains only the option mechanics and is used when the parties already have or do not need a full governance document, or when the put right is granted to a party who is not otherwise a party to the shareholders agreement.
A buy-sell agreement creates a mutual obligation for owners to buy or sell their interests on defined trigger events — typically death, disability, or departure — at a formula price. A put option agreement is a unilateral right: only the option holder decides whether to exercise. Use a buy-sell agreement for partner succession and continuity planning; use a put option when one specific party needs a guaranteed, voluntary exit right.
Investors receive put rights as downside protection in preferred share structures, allowing exit at the original investment price or a guaranteed return multiple if a liquidity event does not occur within a defined period.
Co-investors use put options to guarantee an exit from a jointly-held property at a fixed price, protecting against illiquidity in thin real estate markets or partnership disputes.
Founders and early investors use put options in shareholder agreements to establish exit mechanics before a company reaches the scale required for a trade sale or IPO, providing liquidity certainty in a long-duration asset class.
Joint venture partners in capital-intensive manufacturing operations use put options to enable exit from the venture without requiring full dissolution, allowing one partner to sell its interest to the other at a predetermined valuation based on plant assets or EBITDA.
Put options over shares of US entities are generally enforceable as contracts under state law; New York and Delaware are the most commonly chosen governing law jurisdictions for private equity arrangements. The SEC's regulations on options and securities do not typically apply to private company put options, but the instrument must be carefully structured to avoid classification as a security requiring registration. California courts apply additional scrutiny to provisions that restrict the free transferability of shares.
Put options over shares of Canadian corporations are enforceable under provincial contract law; Ontario and British Columbia are the most common governing law choices. Securities law requirements under provincial OSC and equivalent regulator rules generally do not apply to private company put options between sophisticated parties. Quebec civil law applies different formation and enforceability principles — agreements involving Quebec entities should be reviewed by Quebec-qualified counsel, and French-language versions may be required for certain regulated contexts.
Put options over shares of UK companies must be in writing and are enforceable under English or Scots contract law. Stamp duty at 0.5% of the consideration is payable on completion of the share transfer triggered by exercise — not on the grant of the option. The Financial Conduct Authority's rules on financial promotions and investment arrangements do not generally apply to private company put options between existing shareholders, but advice should be sought for options involving more than a small number of parties.
Put option enforceability varies across EU member states — German, French, and Dutch law each apply different rules on option formation, irrevocability, and the availability of specific performance. In France, the 'promesse unilatérale de vente' (unilateral promise to sell) is the civil law equivalent of a put option and must satisfy specific formality requirements to be enforceable. GDPR considerations may arise if the agreement involves processing personal data of shareholders or beneficial owners. Cross-border EU arrangements should identify a single governing law to avoid conflicts-of-law disputes.
| Path | Best for | Cost | Time |
|---|---|---|---|
| Use the template | Straightforward shareholder put options in a single jurisdiction with an exercise price below $250K | Free | 30–45 minutes |
| Template + legal review | Options over business interests valued between $250K and $2M, involving cross-border parties or formula-based pricing | $600–$1,500 for a 2–4 hour legal review | 3–5 business days |
| Custom drafted | Complex capital structures with anti-dilution, liquidation preferences, or multi-party joint ventures involving material asset values above $2M | $3,000–$10,000+ | 2–4 weeks |
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