Director informativeness following board gender balancing: Evidence from insider trading

B. Espen Eckbo and Bernt Ødegaard

Journal of Corporate Finance, 2025, vol. 94, issue C

Abstract: The market reaction to nonroutine trades by executives and directors is conventionally viewed as increasing in the market’s assessment of insider informativeness about firm value. Using the market reaction as our instrument, we test the proposition that female directors appointed after Norway’s pioneering board gender-balancing quota law exhibit a degree of informativeness similar to that of male directors. Consistent with this proposition, we first show that the average market reaction to female director purchases jumps from a prequota value of zero to a level similar to that of male directors. Second, the market reaction is increasing in the board’s director network connectivity (but not in director busyness). Third, regardless of gender, the positive post-quota market reaction to insider purchases does not translate into holding-period adjusted abnormal performance. Fourth, insider purchase activity by both male and female directors increases significantly during the year following the 2008 financial crisis (when boards were already gender-balanced). This gender-neutral increase in insider purchases caused by the exogenous market-wide stock price drop further suggests that female directors are as informed as their male counterparts about firm value.

Keywords: Board gender balancing; Director network; Insider holdings; Trading performance (search for similar items in EconPapers)
JEL-codes: G14 M14 (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:corfin:v:94:y:2025:i:c:s0929119925001191

DOI: 10.1016/j.jcorpfin.2025.102851

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