Redacting proprietary information at the initial public offering
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abstract
2016. Nearly 40% of IPO firms redact information from their SEC registration filings. These firms exhibit characteristics consistent with the need to shield proprietary information from potential rivals. They experience greater underpricing, but pre-IPO insiders reduce underpricing-related wealth transfers by selling proportionately less of the firm's shares at the IPO, raising more equity financing in later seasoned equity offerings, and selling their own holdings at a relatively slow pace. The information environment of redacting firms reflects proportionately more private information than that of non-redacting firms post-IPO, but this difference abates by the fourth year. Consistent with the view that redacted proprietary information provides competitive advantages, redacting firms exhibit superior financial performance post-IPO. The results illustrate tradeoffs in balancing a firm's needs to protect proprietary information with its capital needs, investor needs for information to price securities, and pre-IPO owner liquidity needs.