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2001
DOI: 10.1111/j.1475-6803.2001.tb00826.x
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Venture Capital and Ipo Lockup Expiration: An Empirical Analysis

Abstract: Most initial public offerings (IPOs) feature "lockup" agreements, which bar insiders from selling the stock for a set period following the IPO, usually 180 days. We examine stock price behavior in the period surrounding lockup expiration for a sample of 2,529 firms from 1988 to 1997. We find that lockup expirations are, on average, associated with significant and negative abnormal returns, but the losses are concentrated in firms with venture capital backing. For the venture-capital-backed group, the largest l… Show more

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Cited by 202 publications
(138 citation statements)
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“…This result is somewhat surprising in the light of the results from other country studies. Bradley et al (2001) find that VC-backed US IPOs are associated with significantly more negative abnormal returns at the lock-in expiry. Similar results are found by Field and Hanka (2001), Brav and Gompers (2003) and Brau et al (2004) for the US; Espenlaub et al (2003) for the UK; Bessler and Kurth (2003) for Germany; and Bertoni et al (2002) for Italy.…”
Section: Resultsmentioning
confidence: 78%
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“…This result is somewhat surprising in the light of the results from other country studies. Bradley et al (2001) find that VC-backed US IPOs are associated with significantly more negative abnormal returns at the lock-in expiry. Similar results are found by Field and Hanka (2001), Brav and Gompers (2003) and Brau et al (2004) for the US; Espenlaub et al (2003) for the UK; Bessler and Kurth (2003) for Germany; and Bertoni et al (2002) for Italy.…”
Section: Resultsmentioning
confidence: 78%
“…There is very high abnormal trading volume during the first ten days after the lock-in expiry. It is also clear that the increase in trading volume at lock-in expiry is substantially larger for venture-capital backed firms, as documented by Bradley et al (2001) and Field and Hanka (2001).…”
Section: Using Field and Hanka's (2001) Method Average Abnormal Volumentioning
confidence: 91%
“…Ofek Xiong (2006) further shows that an increase in floating assets, such as at the end of an IPO lockup, can cause price depreciation when pessimistic investors are able to sell. IPO evidence (Field and Hanka 2001, Bradley, Jordan, Yi, and Roten 2001, Brav and Gompers 2003 documents an average −1% to −2% cumulative abnormal return and 40% abnormal volume during short windows upon the IPO unlock-up.…”
Section: Events That Change Short-sale Constraintsmentioning
confidence: 99%
“…Previous literature (Field and Hanka 2001, Bradley, Jordan, Yi, and Roten 2001, Brav and Gompers 2003 documents negative abnormal returns and positive abnormal volume associated with IPOs upon the lockup expiration. We add to this research by showing that these negative price reactions are much stronger among firms with high idiosyncratic volatility, where the value-weighted negative price responses are one to three times larger.…”
Section: Introductionmentioning
confidence: 99%
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