As mentioned four eggs is not much....add a couple of more eggs and a whole avocado and 1/3 pound of sausage or bacon and you got my average breakfast size (160lb male moderate activity level FYI).
How long have you been Paleo? Do you feel like your body has adjusted to the change? In the first 2-4 weeks I was Paleo, I would always get hungry an hour or two after breakfast (which was usually 4 eggs, a sprinkle of cheese, and some veggies, plus tea with a dab of cream). In fact, I felt hungry a lot, especially in the morning and early afternoon. My body was looking for carbs and I wasn't giving it many, so it kept sending hunger signals I'm sure. As my body adjusted to the diet, however, I didn't feel as hungry anymore and my hypoglycemia problems disappeared. Now I eat three eggs over easy and drink a cup of tea with cream at about 7:30 and I'm good for 5-7 hours (or if I do feel hungry, I just ignore it and it goes away within 10 min. or so with no ill affects on my energy levels). This is not much food. It amazes me that my body has made this adjustment. Maybe you are still in an adjustment phase?
try eating 4 hard boiled plain eggs, see if they fill you up. if you're already lean and at your ideal weight, then 4 eggs no matter how you prepare them will probably be low in total CALORIES. add some tuber or steak to it
Eggs alone? Mine are fried in pastured butter and I always have a heap of veggies with them. Broccoli, green beans, artichoke hearts. Tomatoes, mushrooms, onions, olives, all kinds of things you could put in there.