WorldToScreenPoint not working with Instantiated Object.

I want to have an object instantiate at a certain position and then have a floating text and a button overlaid at the objects position. I cannot have these objects as world UI as they warp with the camera perspective when I animate them and want the text the same size even if some objects are further away.

So the code I have works if I have an object already in my scene and click start. If I try to instantiate the object, the code does not work. Any ideas?

Script #1

 var object = Instantiate(Resources.Load("Object", GameObject), new Vector3(5, 0.5, 0), Quaternion.identity);    

Script #2 (placed on the prefab object)

 var gOTransform        : Transform;
 var button            : GameObject;
 var text            : GameObject;
 var cameraMain         : Camera;
 
 function Start()
 {
     var cameraPos : Camera = cameraMain.GetComponent(Camera);
     var screenPos : Vector3 = cameraPos.WorldToScreenPoint(gOTransform.position);        
     button.transform.position = screenPos;    
     text.transform.position = screenPos;
 }