Lock-In Agreements in Venture Capital Backed UK IPOs
AbstractThis paper examines the impact of venture-capital backing of UK companies issuing shares at flotation on the characteristics of the lock-in agreements entered into by the existing shareholders, and on the abnormal returns realised around the expiry of the directors' lock-in agreements.The study examines the lock-in agreements of a sample of 186 UK IPOs issued during 1992-98. 103 of these companies had venture-capital backing at the IPO.The sample is also broken down into firms classified by industrial sector: of 103 VC backed companies 48 are high-tech, and among the 83 firms without VC backing 33 are high-tech.We find that lock-in agreements in the UK show much more variety in terms of the contractual detail than US agreements.Lock-in periods are particularly long for venture-backed high-tech companies.By contrast, for firms not in the high-tech sector, venture-capital backing appears to reduce the directors' lock-in periods.This suggests that for UK IPOs venture-capital backing does not serve as a substitute for lock-in agreements.Examining the proportion of locked-in directors' shares, we find it to be significantly higher in VC-backed firms as compared to firms without VC backing in the sample of firms not classified as high tech.This suggests that for firms likely to face only moderate information asymmetries (i.e. those not in high-tech industries), venture-capital backing of the IPO is not used as a substitute for, but rather as a complement to, lock-in agreements.The higher proportion of locked-in directors' shares among VC-backed companies (not in the high-tech sector) may be because the underwriters of VC-backed IPOs expect heavy sales by the VCs in the period after the IPO and decide to lock in the directors' shares and in order to limit the downward pressure of the VC's disposals on stock prices.Alternatively, if VCs do not sell out completely in the IPO, as reported by Barry et al. 1990, they may seek to align the directors' interests with their own by locking the directors in.We also examine the share-price performance of IPOs with and without VC backing around the time of the expiry of the lock-in agreements, and find that the CAARs for the VC-backed stocks are lower for most of the short windows around the expiry date, both for the sample as a whole and separately for each industry sector.For the sample of 28 VC-backed stocks, the CAARs are statistically significantly less than zero at the 1% level for the narrow one-to three-day windows around the expiry date.For the VC-backed stocks, the CAARs range from -1.2% to -1.6% (and even to -2% for the 11-day window, but this result is not statistically significant), while the corresponding CAARs for the stocks without VC backing range only from -0.2% to -0.8.
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Bibliographic InfoPaper provided by Tilburg University, Center for Economic Research in its series Discussion Paper with number 2002-46.
Date of creation: 2002
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initial public offerings; lock-in; high-tech; venture capital; IPO;
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