"if I were a shareholder, I would look at how the move went for...

"if I were a shareholder, I would look at how the move went for GSW holders before making a decision."
"just saying that what GSW did is the closest thing I have personally seen to the proposed effective move by ISX and that it might be worth looking at how that panned out before casting a vote"

Can you be a bit more explicit about what 'panned out' means?

If it's referring to changes to the share price, the businesses are very different and financials are different too; you can't reasonably expect their share prices to follow the same pattern.