diff --git a/phases/nonlinear-static-newton-raphson/index.json b/phases/nonlinear-static-newton-raphson/index.json
index 75c2098..a0cca16 100644
--- a/phases/nonlinear-static-newton-raphson/index.json
+++ b/phases/nonlinear-static-newton-raphson/index.json
@@ -37,7 +37,10 @@
     {
       "step": 4,
       "name": "nonlinear-mitc4-residual-and-tangent",
-      "status": "pending"
+      "status": "completed",
+      "summary": "Added same-trial nonlinear MITC4 internal residual/tangent with objective drilling and directional, symmetry, objectivity, patch, and nonfinite coverage.",
+      "started_at": "2026-08-24T13:36:35+0900",
+      "completed_at": "2026-08-24T14:00:06+0900"
     },
     {
       "step": 5,