Fortune 500 CEOs are no longer giving employees an A for effort. Now they want proof of impact

First they came for the office perks. Next they came for remote flexibility. Now Fortune 500 CEOs are exerting their upper hand by issuing employees new ultimatums: Show us your results—or else.

In early January, in the wake of massive layoffs, Amazon CEO Andy Jassy asked corporate workers to submit three to five accomplishments that “show the impact of your work,” as part of a revamped performance review system that helps determine future pay. It’s reportedly a departure from previous...