diff --git a/experimental/python/rocinsight/rocinsight/ai_analysis/api.py b/experimental/python/rocinsight/rocinsight/ai_analysis/api.py
index abba5f4325ea..bc1a0b03840c 100644
--- a/experimental/python/rocinsight/rocinsight/ai_analysis/api.py
+++ b/experimental/python/rocinsight/rocinsight/ai_analysis/api.py
@@ -292,6 +292,7 @@ def to_json(self, indent: int = 2) -> str:
                 kernel_resources=raw.get("kernel_resources"),
                 api_overhead=raw.get("api_overhead"),
                 roctx_regions=raw.get("roctx_regions"),
+                att_analysis=raw.get("att_analysis"),
             )
         raise RuntimeError(
             "Raw analysis data not available. "
@@ -329,6 +330,7 @@ def to_webview(self) -> str:
             kernel_resources=raw.get("kernel_resources"),
             api_overhead=raw.get("api_overhead"),
             roctx_regions=raw.get("roctx_regions"),
+            att_analysis=raw.get("att_analysis"),
         )
 
     def to_text(self) -> str:
diff --git a/experimental/python/rocinsight/rocinsight/ai_analysis/tests/test_att_serialization.py b/experimental/python/rocinsight/rocinsight/ai_analysis/tests/test_att_serialization.py
new file mode 100644
index 000000000000..a5a5728d0a60
--- /dev/null
+++ b/experimental/python/rocinsight/rocinsight/ai_analysis/tests/test_att_serialization.py
@@ -0,0 +1,116 @@
+#!/usr/bin/env python3
+###############################################################################
+# MIT License
+#
+# Copyright (c) 2025 Advanced Micro Devices, Inc.
+###############################################################################
+
+"""
+Tests that ATT analysis data is passed through to_json() and to_webview().
+"""
+
+import json
+
+import pytest
+
+
+def _make_result_with_att():
+    """Build an AnalysisResult with att_analysis in _raw."""
+    from rocinsight.ai_analysis.api import (
+        AnalysisResult,
+        AnalysisMetadata,
+        ProfilingInfo,
+        AnalysisSummary,
+        ExecutionBreakdown,
+        RecommendationSet,
+    )
+
+    result = AnalysisResult(
+        metadata=AnalysisMetadata(
+            rocpd_version="6.3.0",
+            database_file="test.db",
+            analysis_timestamp="2025-01-01T00:00:00",
+        ),
+        profiling_info=ProfilingInfo(
+            total_duration_ns=1_000_000,
+            profiling_mode="sys_trace_only",
+            analysis_tier=3,
+        ),
+        summary=AnalysisSummary(
+            overall_assessment="ATT test analysis",
+            primary_bottleneck="compute",
+            confidence=0.8,
+            key_findings=["Kernel time: 80.0%"],
+        ),
+        execution_breakdown=ExecutionBreakdown(
+            kernel_time_ns=800_000,
+            kernel_time_pct=80.0,
+            memcpy_time_ns=0,
+            memcpy_time_pct=0.0,
+        ),
+        recommendations=RecommendationSet(),
+    )
+    result._raw = {
+        "time_breakdown": {
+            "total_kernel_time": 800_000,
+            "total_memcpy_time": 0,
+            "total_runtime": 1_000_000,
+            "kernel_percent": 80.0,
+            "memcpy_percent": 0.0,
+            "overhead_percent": 20.0,
+        },
+        "hotspots": [
+            {
+                "name": "test_kernel",
+                "calls": 10,
+                "total_duration": 800_000,
+                "avg_duration": 80_000,
+                "min_duration": 75_000,
+                "max_duration": 90_000,
+                "percent_of_total": 80.0,
+            }
+        ],
+        "memory_analysis": {},
+        "recommendations_raw": [],
+        "hardware_counters": {"has_counters": False},
+        "database_path": "test.db",
+        "att_analysis": {
+            "has_att_data": True,
+            "kernels": [
+                {
+                    "name": "test_kernel",
+                    "top_stall": "vmem_latency",
+                    "stall_ratio": 0.65,
+                    "hitcount": 12800,
+                }
+            ],
+        },
+    }
+    return result
+
+
+class TestAttSerialization:
+    def test_to_json_includes_att_trace(self):
+        """to_json() should include att_trace when _raw has att_analysis."""
+        result = _make_result_with_att()
+        json_str = result.to_json()
+        doc = json.loads(json_str)
+        assert "att_trace" in doc, "att_trace key missing from JSON output"
+        assert doc["att_trace"]["has_att_data"] is True
+
+    def test_to_json_att_trace_absent_when_no_att(self):
+        """to_json() should not include att_trace when _raw has no att_analysis."""
+        result = _make_result_with_att()
+        del result._raw["att_analysis"]
+        json_str = result.to_json()
+        doc = json.loads(json_str)
+        # att_trace should either be absent or None
+        assert doc.get("att_trace") is None or "att_trace" not in doc
+
+    def test_to_webview_runs_with_att_data(self):
+        """to_webview() should not raise when _raw has att_analysis."""
+        result = _make_result_with_att()
+        html = result.to_webview()
+        # The att_analysis kwarg is passed through; webview should render
+        assert isinstance(html, str)
+        assert len(html) > 0