You can add these rookies to your list. They are officially signed, according to the Seahawks:
S Dion Bailey, USC
LB Brock Coyle, Montana
TE Chase Dixon, Central Arkansas
OT Garry Gilliam, Penn State
OL Bronson Irwin, Oklahoma
DE/OLB Jackson Jeffcoat, Texas
CB Jimmy Legree, South Carolina
QB Keith Price, Washington
DT Andru Pulu, Eastern Washington