diff --git a/phase-ends/CURRENT_PHASE.md b/phase-ends/CURRENT_PHASE.md
index 9720ca2..a1a8af8 100644
--- a/phase-ends/CURRENT_PHASE.md
+++ b/phase-ends/CURRENT_PHASE.md
@@ -683,3 +683,16 @@ makes the team structure work.
   differing only in li a1,4 vs li a1,16). Reproducible outgoing-argument-
   area arithmetic (six words at 16-36(sp), ra at 40).
 - Registry: 398 / 389 — 11 short of the 400 checkpoint. All gates green.
+
+## Cycle 4 — 390 bodies (10 short of 400)
+
+| Cycle | New bodies | Total bodies | New regions | Total regions | Result |
+|---|---|---|---|---|---|
+| c4 (to date) | +91 | **390** | +91 | **399** | green merges |
+
+- B: 37 new this cycle. Family-target scan 3rd payoff (0x80057B84, the
+  family's 4th member). Branch-vs-branchless discriminator (number of
+  distinct selected values decides the spelling). Inverted named-locals
+  lever (repeated expression correct, local is the mistake). Two negatives
+  (0x800179E0 guard polarity, 0x800C1E54 dead local).
+- Registry: 399 / 390 — 10 short of the 400 milestone. All gates green.