Usually occurs with crowded red pine, the lower branches die, but not happening here. Also this tree is too moist to have pine wilt. Use the proximal portion of a lower major branch to check for nematodes. Also , possible canker coming in from isolated branches or the base, but nothing seen. Is mostly on the inner parts of the tree.
Scotch pine is especially vulnerable.
Needle disease on a very small tree. It is likely Dothistroma, not yet fruiting. Also has Lophodermium on it. Underpruning not urgent. There was a big canker epidemic in Monterey pine in California.