https://www.theregister.co.uk/2017/11/03/equifax_share_trade_investigation/

Senior Equifax executives sold their shares in the credit agency just before its stock price plunged when the world was told it had been thoroughly hacked.

The US biz has since probed the transactions, and you'll all be extremely pleased to learn of that investigation's conclusion: that there was no wrongdoing, nothing untoward, and it was all completely above board.