Here is the complaint in Chickasaw Nation v. Caremark CVS (E.D. Okla.):

2 Complaint

Most of the other pleadings are sealed.

Here are the materials in Caremark LLC v. Chickasaw Nation (D. Ariz.):

1 Petition to Compel Arbitration

13 Motion to Compel Arbitration

20 Response

26 Reply

28 DCt Order

And here are the briefs so far in Caremark LLC v. Chickasaw Nation (9th Cir.):

Opening Brief