Standstill Agreement
A contractual restriction preventing a potential acquirer from accumulating additional shares or making unsolicited offers for a defined period — often entered as a condition of receiving confidential information. In public M&A, standstills prevent parties who received NDA-protected information from using it to make hostile approaches. In private M&A, standstills are less common but may appear in context of exclusive discussions or controlling-shareholder relationships.
Full Definition
A standstill agreement is a contract in which a party agrees not to take certain actions — typically not to acquire additional shares, not to launch a proxy contest, not to make a public bid, and not to seek board representation — for a defined period. Standstill provisions most commonly arise in M&A negotiations when a potential acquirer receives confidential information from the target under an NDA: in exchange for access to the data room, the acquirer commits to a standstill that prohibits it from making aggressive moves against the target if negotiations fail.
Standstills serve a critical function in allowing M&A negotiations to proceed in a controlled manner. Without a standstill, a potential acquirer who enters a data room, gains deep insight into the target's operations and finances, and then decides not to buy on agreed terms could immediately launch a hostile bid using the knowledge gained. The standstill prevents this outcome — it is the price of access to confidential information.
In process M&A (sellside auction processes run by investment banks), standstills are typically included in the NDA sent to all prospective bidders. The standstill period usually runs 12–18 months, and often includes a carve-out allowing the restrained party to respond to an unsolicited third-party bid (so the standstill does not prevent the party from participating in an auction initiated by someone else).
The question of whether standstills contain a "don't ask, don't waive" (DADW) clause has become a major point of litigation in Delaware. A DADW standstill prevents the restrained party from even asking the target to waive the standstill — effectively keeping competing bidders quiet during the controlled process. Delaware courts have sometimes found DADW clauses inequitable when they prevent shareholders from receiving the benefit of a higher competing bid.
Seller vs. Buyer Perspective
Standstills protect you from a failed buyer turning hostile. When running a competitive process, include standstill provisions in all NDAs — this prevents any bidder who does not win from immediately turning around and launching a public hostile campaign using what they learned in your data room. Have your advisor and legal counsel determine the appropriate standstill duration (typically 12 months from the NDA date, with an automatic extension if a definitive agreement is signed).
Standstills limit your options if negotiations fail or the target is sold to a competitor. Negotiate standstill terms that are proportionate to the information you are receiving and the process timeline. Push for carve-outs that allow you to respond to unsolicited approaches or to be included in any subsequent auction the target runs. Do not sign indefinite standstills — time limits and process carve-outs are standard.
Real-World Example
A private equity firm entered a data room for a specialty chemicals company after signing an NDA that included an 18-month standstill. The fund bid in the first round but was not selected as a finalist. Six months after the process ended (with the company selling to another buyer), the fund identified an opportunity to acquire a competing chemical business. The standstill did not prevent this — it only restricted the fund from bidding on or approaching the specific target, not from acquiring third-party assets.
Why It Matters & Common Pitfalls
- !No time limit. Standstills without a defined expiration period create indefinite restrictions. Always negotiate a specific duration tied to the NDA and deal process.
- !Missing carve-outs. Standstills without carve-outs for responding to third-party unsolicited bids or participating in auctions the target subsequently runs can inadvertently exclude a party from a future legitimate process.
- !Broad scope exceeding intent. Overly drafted standstills may inadvertently restrict activities beyond M&A — such as normal secondary market purchases of publicly traded debt. Review standstill scope carefully.
- !DADW clause enforceability. If you are including a DADW standstill in an auction process, be aware of Delaware court decisions scrutinizing these clauses. Work with Delaware counsel to structure a DADW provision that is more likely to be upheld.
Frequently Asked Questions
What is a standstill agreement?↓
Are standstill agreements enforceable?↓
Related Terms
NDA (Non-Disclosure Agreement)
A confidentiality contract signed by a prospective buyer before receiving confidential information about a business for sale — typically the first document exchanged in an M&A process after an initial expression of interest.
Poison Pill
A defensive tactic (formally "shareholder rights plan") deployed by boards to deter hostile takeovers — creating rights for existing shareholders that trigger upon an acquirer crossing an ownership threshold, making unwanted acquisitions prohibitively expensive.
Exclusivity Period
A contractual period, typically 30–90 days after LOI signing, during which the seller agrees not to solicit or negotiate with other potential buyers — the point in a deal where leverage shifts from seller to buyer.
Get Weekly M&A Insights
Valuation data, deal analysis, and plain-English M&A education — every week.
The LegacyVector Newsletter
Join 5,000+ business owners, investors, and buyers who get weekly M&A market data and deal insights.
- Weekly valuation multiples by industry
- SBA lending rates & deal financing data
- Market trends & acquisition opportunities
No spam. Unsubscribe anytime. Free forever.
Disclaimer: The information provided on this page is for educational and informational purposes only. It should not be considered financial, legal, or investment advice. Business valuations depend on many factors specific to each situation. Always consult with qualified professionals — including business brokers, CPAs, and M&A attorneys — before making acquisition or sale decisions. LegacyVector is not a licensed broker, financial advisor, or attorney. Data shown may be based on limited samples and may not reflect current market conditions.
LegacyVector Research Team
Reviewed by M&A professionals · Updated April 2026
