diff --git a/STATUS-conc.md b/STATUS-conc.md
index 4bfcbaa..2e301d1 100644
--- a/STATUS-conc.md
+++ b/STATUS-conc.md
@@ -6,7 +6,8 @@ Plan: /srv/cc-ci/cc-ci-plan/concurrency-restructure-full-plan.md (SSOT for this
 
 - Phase: conc — concurrency restructure (P1–P5 + tests/concurrency)
 - Builder branch: `restructure/concurrency` (code lands there; main untouched until M2 merge)
-- In flight: P1 (lock-lifetime hardening)
+- Done on branch: P1 b492f99, P2 b302f3a, P3 17ebdf3, P4 91d3cc7
+- In flight: tests/concurrency suite (19 cases), then P5 spec rewrite
 - Gate: none claimed yet
 
 ## Gates