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The effect of Sarbanes-Oxley on the timely disclosure of restricted stock trading
Journal article   Peer reviewed

The effect of Sarbanes-Oxley on the timely disclosure of restricted stock trading

Laurel Franzen, Xu Li, Mark E. Vargus and Xiaowei Li
Research in accounting regulation, v 25(1), pp 47-52
Apr 2013
DOI: https://doi.org/10.1016/j.racreg.2012.11.011

Abstract

Insider trading Restricted stock Sarbanes-Oxley Act
Our paper investigates the effect of the Sarbanes-Oxley Act (SOX) on the disclosure timeliness of restricted stock trading. Insiders selling restricted stock are required to file a Form 144 because the stock is restricted and also a Form 4 because they are an insider. We confirm that mandatory filing requirements under Section 403 of SOX reduced the Form 4 disclosure delay for restricted stock transactions from 24days in the pre-SOX period to the mandated 2days in the post-SOX period. Although SOX did not mandate changes to Form 144 filings, we expect that disclosure timeliness of Form 144 filings is likely impacted by SOX. We find that Form 144 filings of restricted stock sales have become less timely. In the post-SOX period, Form 144, the intent to sell restricted stock, is almost always reported after the Form 4 disclosure of the executed trade. Thus, an unintended consequence of SOX is that by making the Form 4 filing more timely than the Form 144, market participants will know about a trade sooner, but have less information about the type of equity traded. An implication of this finding is that Section 403 of SOX may not have unambiguously improved investor protection as intended.

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