diff --git a/atvm/watcher-service/atvm_run_watcher.py b/atvm/watcher-service/atvm_run_watcher.py
index cef7bb4..cc75130 100644
--- a/atvm/watcher-service/atvm_run_watcher.py
+++ b/atvm/watcher-service/atvm_run_watcher.py
@@ -342,6 +342,29 @@ def collect_host_results(
     return results
 
 
+def collect_latest_host_result(
+    reporter_root: Path,
+    expected_hosts: List[str],
+    kernels: Dict[str, str],
+    run_started_at: datetime,
+    run_ended_at: Optional[datetime] = None,
+) -> Optional[Tuple[str, HostResult]]:
+    results = collect_host_results(
+        reporter_root=reporter_root,
+        expected_hosts=expected_hosts,
+        kernels=kernels,
+        run_started_at=run_started_at,
+        run_ended_at=run_ended_at,
+    )
+    if not results:
+        return None
+    latest = max(
+        results.items(),
+        key=lambda item: item[1].timestamp or datetime.fromtimestamp(0, tz=timezone.utc),
+    )
+    return latest
+
+
 def find_check_xml_end(
     reporter_root: Path,
     started_at: datetime,
@@ -748,6 +771,19 @@ def discover_categorized_subruns(
             if summary and (not host_results or all(result.host == "check-xml-files" for result in host_results.values())):
                 host_results = summary["host_results"]
                 completed_hosts.extend([host for host in host_results if host not in completed_hosts])
+            if not host_results and check_ts:
+                latest_host = collect_latest_host_result(
+                    reporter_root=reporter_root,
+                    expected_hosts=expected_hosts,
+                    kernels=inventory,
+                    run_started_at=started_at,
+                    run_ended_at=check_ts + timedelta(seconds=5),
+                )
+                if latest_host:
+                    host, result = latest_host
+                    host_results = {host: result}
+                    if host not in completed_hosts:
+                        completed_hosts.append(host)
             if summary:
                 current_summary_index += 1
             state = "RUNNING"
@@ -763,6 +799,8 @@ def discover_categorized_subruns(
                 notes.append("Final `check-xml-files.ts` validation passed.")
             if summary and host_results:
                 notes.append("Host result details were derived from the parent categorized run log summary.")
+            elif host_results and check_ts:
+                notes.append("Host result details were derived from the latest matching host reporter artifact written before grouped finalization.")
             elif check_ts and not host_results and parent_active:
                 notes.append("Grouped reporter XML arrived before the parent run log exposed the final host summary; waiting to post until host details are available.")
             if display_name != raw_display_name: