Can I get my child his EIP 1 and 2 even though he didn't get his SSN till 4/21/2021?

My son is an American citizen born abroad in 2017. I didn't get his EIP 1,2, and 3 because he didn't have a SSN. But I recently got his SSN last month.

I can claim him as a dependent, but I'm not sure if I can get his EIP because he didn't have a SSN in 2020.