diff --git a/strix/report/state.py b/strix/report/state.py
index 3dbc9772..9dede601 100644
--- a/strix/report/state.py
+++ b/strix/report/state.py
@@ -135,6 +135,10 @@ class ReportState:
         self._sarif_repo_ctx: dict[str, Any] | None = None
         self._sarif_repo_ctx_ready: bool = False
 
+        self.posthog_scan_ended_sent: bool = False
+        self.scarf_scan_ended_sent: bool = False
+        self.scan_ended_exit_reason: str | None = None
+
     def get_run_dir(self) -> Path:
         if self._run_dir is None:
             run_dir_name = self.run_name if self.run_name else self.run_id
diff --git a/strix/telemetry/posthog.py b/strix/telemetry/posthog.py
index d1a9b460..df6bed4d 100644
--- a/strix/telemetry/posthog.py
+++ b/strix/telemetry/posthog.py
@@ -26,10 +26,10 @@ def _is_enabled() -> bool:
     return load_settings().telemetry.enabled
 
 
-def _send(event: str, properties: dict[str, Any]) -> None:
+def _send(event: str, properties: dict[str, Any]) -> bool:
     if not _is_enabled():
         logger.debug("posthog disabled; skipping event %s", event)
-        return
+        return False
     try:
         payload = {
             "api_key": _POSTHOG_PUBLIC_API_KEY,
@@ -46,8 +46,10 @@ def _send(event: str, properties: dict[str, Any]) -> None:
             pass
     except Exception:  # noqa: BLE001
         logger.debug("posthog send failed for event %s", event, exc_info=True)
+        return False
     else:
         logger.debug("posthog event sent: %s", event)
+        return True
 
 
 def start(
@@ -82,6 +84,11 @@ def finding(severity: str) -> None:
 
 
 def end(report_state: "ReportState", exit_reason: str = "completed") -> None:
+    if report_state.posthog_scan_ended_sent:
+        return
+    if report_state.scan_ended_exit_reason is None:
+        report_state.scan_ended_exit_reason = exit_reason
+
     vulnerabilities_counts = {"critical": 0, "high": 0, "medium": 0, "low": 0, "info": 0}
     for v in report_state.vulnerability_reports:
         sev = v.get("severity", "info").lower()
@@ -110,11 +117,11 @@ def end(report_state: "ReportState", exit_reason: str = "completed") -> None:
     except (TypeError, ValueError, AttributeError):
         pass
 
-    _send(
+    report_state.posthog_scan_ended_sent = _send(
         "scan_ended",
         {
             **base_props(),
-            "exit_reason": exit_reason,
+            "exit_reason": report_state.scan_ended_exit_reason,
             "duration_seconds": round(duration),
             "vulnerabilities_total": len(report_state.vulnerability_reports),
             **{f"vulnerabilities_{k}": v for k, v in vulnerabilities_counts.items()},
diff --git a/strix/telemetry/scarf.py b/strix/telemetry/scarf.py
index 037494bb..6e48570c 100644
--- a/strix/telemetry/scarf.py
+++ b/strix/telemetry/scarf.py
@@ -28,10 +28,10 @@ def _is_enabled() -> bool:
     return load_settings().telemetry.enabled
 
 
-def _send(event: str, properties: dict[str, Any]) -> None:
+def _send(event: str, properties: dict[str, Any]) -> bool:
     if not _is_enabled():
         logger.debug("scarf disabled; skipping event %s", event)
-        return
+        return False
     try:
         props = dict(properties)
         version = str(props.pop("strix_version", get_version()) or "unknown")
@@ -47,8 +47,10 @@ def _send(event: str, properties: dict[str, Any]) -> None:
             pass
     except Exception:  # noqa: BLE001
         logger.debug("scarf send failed for event %s", event, exc_info=True)
+        return False
     else:
         logger.debug("scarf event sent: %s", event)
+        return True
 
 
 def start(
@@ -85,6 +87,11 @@ def finding(severity: str) -> None:
 
 
 def end(report_state: ReportState, exit_reason: str = "completed") -> None:
+    if report_state.scarf_scan_ended_sent:
+        return
+    if report_state.scan_ended_exit_reason is None:
+        report_state.scan_ended_exit_reason = exit_reason
+
     vulnerabilities_counts = {"critical": 0, "high": 0, "medium": 0, "low": 0, "info": 0}
     for v in report_state.vulnerability_reports:
         sev = v.get("severity", "info").lower()
@@ -115,12 +122,12 @@ def end(report_state: ReportState, exit_reason: str = "completed") -> None:
     except (TypeError, ValueError, AttributeError):
         pass
 
-    _send(
+    report_state.scarf_scan_ended_sent = _send(
         "scan_ended",
         {
             **base_props(),
             "session": SESSION_ID,
-            "exit_reason": exit_reason,
+            "exit_reason": report_state.scan_ended_exit_reason,
             "duration_seconds": round(duration),
             "vulnerabilities_total": len(report_state.vulnerability_reports),
             **{f"vulnerabilities_{k}": v for k, v in vulnerabilities_counts.items()},