P. Gompers et J. Lerner, VENTURE CAPITAL DISTRIBUTIONS - SHORT-RUN AND LONG-RUN REACTIONS, The Journal of finance (New York), 53(6), 1998, pp. 2161-2183
Venture capital distributions, a legal form of insider trading, provid
es an ideal arena for examining the share price impact of transactions
by informed parties. These sales, which occur after substantial run-u
ps in share value, generate a substantial price reaction immediately a
round the event. In the months after distribution, returns apparently
continue to be negative. When the short- and long-run reactions are de
composed, they are consistent with the view that venture capitalists u
se inside information to time stock distributions: Distributions of fi
rms brought public by lower quality underwriters and of less seasoned
firms have more negative price reactions.