I doubt any of these CEO signatories suggested a reduction in their own pay. For instance, a cap on CEO to average worker pay at 50X as opposed to the 278X today (https://www.ibtimes.com/infographic-ceo-pay-growth-has-wildly-outpaced-average-worker-2814353).

But the words sound good: “consider all stakeholders.” Let’s see what actions are taken.

JPMorgan’s Dimon Among CEOs Rejecting Shareholder-Centric Model
https://www.bloomberg.com/news/articles/2019-08-19/jpmorgan-s-dimon-among-ceos-rejecting-shareholder-centric-model