Insider sales based on short-term earnings information

Insider sales based on short-term earnings information I find strong evidence of insiders selling shares prior to imminent bad earnings news through their Rule 10b5-1 trading plans. While Rule 10b5-1 selling plans may conjure images of regular selling over a sustained period of time, I find that insiders’ sales under these plans often consist of a small number of sales (the median plan consists of four sales) and commonly occur over a short period of time (the median plan lasts less than 150 days). Abnormal stock returns, earnings surprises, and abnormal earnings announcement returns are all significantly negative following plans that are short-term in nature, but not following plans that are long-term in nature. Although Rule 10b5-1 does not specify a minimum length for selling plans, finding that sales within short plans significantly outperform sales within longer plans suggests that restrictions on plan length would reduce the incidence and appearance of informed selling through Rule 10b5-1 plans. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Review of Quantitative Finance and Accounting Springer Journals

Insider sales based on short-term earnings information

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media New York
Subject
Finance; Corporate Finance; Accounting/Auditing; Econometrics; Operation Research/Decision Theory
ISSN
0924-865X
eISSN
1573-7179
D.O.I.
10.1007/s11156-014-0496-7
Publisher site
See Article on Publisher Site

Abstract

I find strong evidence of insiders selling shares prior to imminent bad earnings news through their Rule 10b5-1 trading plans. While Rule 10b5-1 selling plans may conjure images of regular selling over a sustained period of time, I find that insiders’ sales under these plans often consist of a small number of sales (the median plan consists of four sales) and commonly occur over a short period of time (the median plan lasts less than 150 days). Abnormal stock returns, earnings surprises, and abnormal earnings announcement returns are all significantly negative following plans that are short-term in nature, but not following plans that are long-term in nature. Although Rule 10b5-1 does not specify a minimum length for selling plans, finding that sales within short plans significantly outperform sales within longer plans suggests that restrictions on plan length would reduce the incidence and appearance of informed selling through Rule 10b5-1 plans.

Journal

Review of Quantitative Finance and AccountingSpringer Journals

Published: Jan 7, 2015

References

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