Taking global averages is not illuminating
Women made 3.8% less in base salaries on average than men in the same job categories, 13.2% less in bonuses, and 33.1% less in stock value, it alleges.
To me it appears that there might be a 3.8% disadvantage to women. Bonuses tend to be paid as a result of performance thus, for whatever reason, men appear to be more productive; I assume that something similar is at work for stock value.
But: without looking at all individual cases it is hard to be sure.