
Key Takeaways
- Lock-up periods are when investors cannot sell particular shares or securities.
- Lock-up periods are used to preserve liquidity and maintain market stability.
- Hedge fund managers use them to maintain portfolio stability and liquidity.
- Start-ups/IPO’s use them to retain cash and show market resilience.
What is a lockup agreement and how does it work?
You will face a lockup when your company goes public, or perhaps in an acquisition. A lockup is a contractual restraint on...
What is the lockup period in an IPO?
Sep 06, 2011 · Sept. 6, 2011. Lockup agreements prohibit company insiders—including employees, their friends and family, and venture capitalists—from selling their shares for a set period of time. In other words, the shares are "locked up." Before a company goes public, the company and its underwriter typically enter into a lockup agreement to ensure that shares …
How long does the stock market lockup last?
A lockup period is part of the conditions of employee stock options. The lead underwriter confirms the stock options agreement prior to the initial public offering. This prohibits employees from selling their shares right after the IPO, which would increase shares in the market and drive down the share price.
What are lock-up periods and how do they work?
Apr 20, 2022 · A lock-up period (also known as a lock-up agreement) is a period of time (usually between 90-180 days) when investors are not allowed to buy or redeem shares. Lock-up periods can apply to hedge funds and initial public offerings.

What happens to a stock after lockup?
During the IPO lock-up company insiders and early investors cannot sell their shares, helping to ensure an orderly IPO and not flood the market with additional shares for sale. Lock-up periods usually last between 90 to 180 days. Once the lock-up period ends, most trading restrictions are removed.
Do stocks drop after lockup?
Keep in mind, however, that a stock will typically react to the lockup period ahead of time. In other words, shares will often decline a few days or more prior to the expiration date as investors look to exit the stock before the new supply hits.Dec 8, 2020
How does lockup affect stock price?
“When lock-ups expire, restricted people are permitted to sell their stock, which sometimes (if these insiders are looking to sell their stock) results in a drastic drop in share price due to the huge increase in supply of stock,” the SEC notes on its website. The end of a lock-up, however, can also be beneficial.Apr 30, 2014
Do Stocks Go Up After lockup?
It is not unusual to see a stock's share price fall on the first day that the lock-up shares can be traded. In fact, if other investors (not subject to the lock-up period) begin to sell in the days before the lock-up expires, then this is a sign that they expect the share price to fall.
What is a stock lockup expiration?
A lock-up period, also called a locked-up, lock-in or lock-out period, refers to the predetermined time frame in which corporate insiders, investors, and employees are not allowed to sell or redeem their shares after an initial public offering (IPO)
What happens when lockup expires?
What Happens When IPO Lockup Periods Expire? When IPO lockups expire, insiders tend to sell a portion of their shares. Because of the increase in supply, the share price may drop. In anticipation of this event, many investors will sell their shares in the days leading up to the expiration date to get ahead of the drop.Feb 2, 2022
How much do stocks dip after lockup?
After most lockups end (months 6-12) shares typically underperformed by -4.6%. Returns in the first and second years after going public lagged by -3.4% and -7.2%, respectively.Jan 31, 2022
What is the purpose of an IPO lockup period?
The primary purpose of an IPO lockup period is to stop investors from flooding the market with a high number of shares, which would make the stock price drop. Company insiders have a high percentage of stock shares compared with the general public.Dec 2, 2019
What is a lock up agreement?
A lock-up agreement is a contractual provision preventing insiders of a company from selling their shares for a specified period of time. They are commonly used as part of the initial public offering (IPO) process.
What happens when a lock up expires?
Studies have shown that the expiration of a lock-up agreement is generally followed by a period of abnormal returns. Unfortunately for investors, these abnormal returns are more often in the negative direction.
How long does a lock up last?
How Lock-Up Agreements Work. Lock-up periods typically last 180 days, but on occasion can be as brief as 90 days or as long as one year. Sometimes, all insiders will be "locked out" for the same period of time.
Do you need a lock up agreement for an IPO?
Although lock-up agreements are not required under federal law, underwriters will often require executives, venture capitalists (VCs), and other company insiders to sign lock-up agreements in order to prevent excessive selling pressure in the first few months of trading following an IPO.
Do companies have to have lock up periods?
Although federal law does not require companies to employ lock-up periods, they may nevertheless be required under states' blue sky laws. 1. The details of a company's lock-up agreements are always disclosed in the prospectus documents for the company in question.
Can insiders sell stock if lockup expires?
Even when a lock-up agreement is in place, investors that are not insiders to the company can still be affected once that lock-up agreement runs past its expiration date. When lock-ups expire, company insiders are permitted to sell their stock.
How long can you keep a stock in lockup?
The terms of lockup agreements may vary, but most prevent insiders from selling their shares for 180 days. Lockups also may limit the number of shares that can be sold over a designated period of time. U.S. securities laws require a company using a lockup to disclose the terms in its registration documents, including its prospectus.
What is a lockup agreement?
Lockup agreements prohibit company insiders—including employees, their friends and family, and venture capitalists—from selling their shares for a set period of time. In other words, the shares are "locked up.". Before a company goes public, the company and its underwriter typically enter into a lockup agreement to ensure ...
Why do companies lock up their shares?
Before a company goes public, the company and its underwriter typically enter into a lockup agreement to ensure that shares owned by these insiders don’t enter the public market too soon after the offering.
Does the SEC endorse lockup websites?
There are also free commercial websites that track when companies’ lockup agreements expire. The SEC does not endorse these websites and makes no representation about any of the information or services contained on these websites. Modified: Sept. 6, 2011.
How long is a stock option lockup?
The lockup period begins on the first day of the initial public offering and lasts from 90 to 180 days, depending on the company's lockup agreement. A lockup period is part of the conditions of employee stock options. The lead underwriter confirms the stock options agreement prior to the initial public offering.
What is a lockup period?
The lockup period is the time frame in which investors, employees and corporate insiders cannot sell their shares following an initial public offering. This commonly happens when a private company offers its first stock issuance in order to become a publicly traded corporation. Advertisement.
How long is a private company locked up?
If a private company is acquired by a public company and receives share consideration, the vendor is usually subject to a lockup period where they will be restricted from selling their shares for a period of time up to two years.
Why is a lock up period needed for an IPO?
Why is a lock-up period needed for an IPO? The theory behind an IPO lock-up period is that company insiders (which includes a company’s founders/owners, managers and employees) usually own a volume of shares that is disproportionate to the general public.
Why do companies lock up after IPO?
A lock-up on an IPO prevents major shareholders and company insiders from selling shares in the company for a specified number of days following an IPO to prevent the market from being flooded with too much supply of a company's stock. Following the expiration of the lock-up period, restrictions preventing a company's employees ...
What happens after a lock up period?
Following the expiration of the lock-up period, restrictions preventing a company's employees and other major shareholders from selling their stock are lifted. Lock-up expirations often coincide with a 1-3% drop in the company's stock because of the increased number of available shares in the company. More about lock-up periods.
How long is a hedge fund lock up period?
A lock-up period (also known as a lock-up agreement) is a period of time (usually between 90-180 days) when investors are not allowed to buy or redeem shares. Lock-up periods can apply to hedge funds and initial public offerings. A hedge fund lock-up period will be linked to the underlying investments of the fund.
Why do hedge funds need a lock up period?
The lock-up period is needed in order for hedge fund managers to attempt to maximize the return for investors. This can happen because, during the lock-up period, they can make an investment in securities that support the fund's goals without having to be concerned about investors redeeming shares.
What is the quiet period in IPO?
The IPO quiet period takes place before the initial public offering is issued. This is a time when management and marketing teams from the company releasing the IPO are prohibited from releasing news to the public. Part of this is to prevent the real or perceived appearance of insider trading.
How do hedge funds go public?
For a company or hedge fund to go public, they have to raise private equity. For a hedge fund, this includes inviting investors to invest in the fund and for private companies, this typically takes place by the issuance of an initial public offering (IPO).
How long does a stock lockup last?
The lockup usually lasts between 90 and 180 days. When this period ends, the trading restrictions get removed.
Why is the IPO lockup period important?
The primary purpose of an IPO lockup period is to stop investors from flooding the market with a high number of shares, which would make the stock price drop. Company insiders have a high percentage of stock shares compared with the general public.
What to do after an IPO?
If they choose to cash out, what they need to do is sell their shares and gain profit. However, things do not always move this quickly. After an IPO, many companies are going to tie up their stock through a lockup period that keeps investors from cashing out too soon. The initial public offering, also known as the IPO lockup period, ...
How long is the IPO lockup period?
Even though there is no deadline set here, sell-side analysts that participated in the IPO go through the do not publish anything for 20-30 days after the IPO date underwriting process.
Why is it important to use expiring lockups?
This is important because the price of the company’s stock can drop as a result of the locked-up shares that are going to be sold in the market when the lockup is finished. It is important to consider the fact that every stock is different when using expiring lockups as the motivation to put on a trade.
What does it mean when a company has a higher volume?
Having a higher volume means that when they sell them, this activity can impact the share price very fast after the company goes public. IPO lockup periods let the new shares to stabilize in the market without any pressure from the investors. This period allows time for the shares to flow naturally between supply and demand.
How long is the second quarter of the IPO?
The second-quarter period lasts 40 days and comes after the IPO. During this time, the staff and syndicate members are not allowed to comment on anything about any projected earnings or issue research reports. The IPO lockup period also has a quiet period regarding the research reports that relate to the IPO.
What Is A Lock-Up?
The weeks and months following a new stock's IPO can be extremely exciting and extremely volatile periods for investors. One of the ways companies keep volatility in check during this critical period is by setting lock-up periods for company insiders.
How To Trade Lock-Up Expiration
There are typically two different trends that stocks experience surrounding lock-up expiration.
Where To Find Lock-Up Info
Companies must publicly disclose the duration of their lock-up period when they hold an IPO via a filing on the SEC’s EDGAR website here. However, there are plenty of resources available online for investors to use to track upcoming lock-up expiration dates.

How A Lock-Up Period Works
- The lock-up period for hedge funds corresponds with the underlying investments of each fund. For example, a long/shortfundinvested mostly in liquid stocks may have a one-month lock-up period. However, because event-driven or hedge funds often invest in more thinly traded securiti…
Example of A Lock-Up Period
- As an example, a fictitious hedge fund, Epsilon & Co., invests in distressed South American debt. The interest returns are high, but the market liquidity is low. If one of Epsilon’s customers sought to sell a large portion of its portfolio in Epsilon at one time, it would likely send prices far lower than if Epsilon sold portions of its holdings over a longer period of time. But since Epsilon has a …
Special Considerations
- The lock-up period for newly issued public shares of a company helps stabilize the stock price after it enters the market. When the stock’s price and demand are up, the company brings in more money. If business insiders sold their shares to the public, it would appear the business is not worth investing in, and stock prices and demand would go down. When a privately held compan…
What Is A Lock-Up Agreement?
How Lock-Up Agreements Work
- Lock-up periods typically last 180 days, but on occasion can be as brief as 90 days or as long as one year. Sometimes, all insiders will be "locked out" for the same period of time. In other cases, the agreement will have a staggered lock-up structure in which different classes of insiders are locked out for different periods of time. Although federal law does not require companies to em…
Special Considerations
- From a regulatory perspective, lock-up agreements are meant to help protect investors. The scenario that the lock-up agreement is meant to avoid is a group of insiders taking an overvalued company public, then dumping it on investors while running away with the proceeds. This was a real issue during several periods of market exuberancein the United States and is the reason wh…
Example of A Lock-Up Agreement
- Studies have shown that the expiration of a lock-up agreement is generally followed by a period of abnormal returns. Unfortunately for investors, these abnormal returns are more often in the negative direction. Interestingly enough, some of these studies found that staggered lock-up agreements can actually impact a stock more negatively than those with a single expiration date…