According to the newspaper, which cited people familiar with the situation, the company has also received about 700 reports of employee concerns about sexual assault, harassment, or other misconduct in the last seven months, in some cases separate reports about the same incident.
According to the Journal, a summary of the personnel actions taken by the maker of "Call of Duty," "World of Warcraft," and other blockbuster games was scheduled to be released before the winter holidays.
However, CEO Bobby Kotick delayed the release, claiming that it would make the company's workplace problems appear even worse than they already were, according to the paper.
An AFP request for comment was not immediately responded to by Activision Blizzard.
California state regulators accused the company in July of encouraging a culture of harassment, a toxic work environment, and inequality.
The Securities and Exchange Commission launched an investigation into the company in September over "disclosures regarding employment matters and related issues."
And, two months later, the Journal reported that Kotick, who has been accused of mishandling the harassment complaints, has indicated that he will consider stepping down if the company culture is not quickly fixed. He has been the company's CEO for over three decades.
Almost 20% of Activision Blizzard's 9,500 employees have signed a petition requesting Kotick's resignation.
According to the Journal, the company is under pressure from shareholders and business partners to be more accountable regarding its handling of misconduct issues.
Late last year, Activision's chief operating officer, Daniel Alegre, pledged a 50 percent increase in female and non-binary staff over the next five years, bringing them to more than a third of the company's workforce.