diff --git a/tritonparse/__main__.py b/tritonparse/__main__.py
index 2f05ddc..af22d0d 100644
--- a/tritonparse/__main__.py
+++ b/tritonparse/__main__.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 from .cli import main
 
 
diff --git a/tritonparse/context_manager.py b/tritonparse/context_manager.py
index dbe72e7..61a2ceb 100644
--- a/tritonparse/context_manager.py
+++ b/tritonparse/context_manager.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import os
 import shutil
 import tempfile
diff --git a/tritonparse/event_diff.py b/tritonparse/event_diff.py
index 201b7b3..4405599 100644
--- a/tritonparse/event_diff.py
+++ b/tritonparse/event_diff.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import json
 from collections import defaultdict
 from typing import Any, Dict, List, Tuple
diff --git a/tritonparse/ir_analysis.py b/tritonparse/ir_analysis.py
index 20addd3..f1a81ed 100644
--- a/tritonparse/ir_analysis.py
+++ b/tritonparse/ir_analysis.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import logging
 
 from .sourcemap_utils import load_ir_contents
diff --git a/tritonparse/ir_parser.py b/tritonparse/ir_parser.py
index a7d2ea2..7751169 100644
--- a/tritonparse/ir_parser.py
+++ b/tritonparse/ir_parser.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import logging
 import os
 import re
diff --git a/tritonparse/mapper.py b/tritonparse/mapper.py
index 2520b6f..f208f6f 100644
--- a/tritonparse/mapper.py
+++ b/tritonparse/mapper.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import logging
 from collections import defaultdict
 from typing import Any, Dict, List, Tuple
diff --git a/tritonparse/reproducer/cli.py b/tritonparse/reproducer/cli.py
index 2ac07b9..cdfd97e 100644
--- a/tritonparse/reproducer/cli.py
+++ b/tritonparse/reproducer/cli.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import argparse
 
 from tritonparse.reproducer.types import KernelImportMode
diff --git a/tritonparse/reproducer/function_extractor.py b/tritonparse/reproducer/function_extractor.py
index bfc0c63..e9ccfef 100644
--- a/tritonparse/reproducer/function_extractor.py
+++ b/tritonparse/reproducer/function_extractor.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 """
 Function extractor for reproducer utility functions.
 
diff --git a/tritonparse/reproducer/ingestion/ndjson.py b/tritonparse/reproducer/ingestion/ndjson.py
index cd93b59..1a247c5 100644
--- a/tritonparse/reproducer/ingestion/ndjson.py
+++ b/tritonparse/reproducer/ingestion/ndjson.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 from dataclasses import dataclass
 from typing import Any, Dict, List, Optional, Tuple
 
diff --git a/tritonparse/reproducer/orchestrator.py b/tritonparse/reproducer/orchestrator.py
index 3ab3ebb..39d28cf 100644
--- a/tritonparse/reproducer/orchestrator.py
+++ b/tritonparse/reproducer/orchestrator.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 from pathlib import Path
 from typing import Optional
 
diff --git a/tritonparse/reproducer/placeholder_replacer.py b/tritonparse/reproducer/placeholder_replacer.py
index 734b078..3453b55 100644
--- a/tritonparse/reproducer/placeholder_replacer.py
+++ b/tritonparse/reproducer/placeholder_replacer.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 from abc import ABC
 
 from typing import Any, Dict, Protocol
diff --git a/tritonparse/reproducer/templates/loader.py b/tritonparse/reproducer/templates/loader.py
index b4aaab2..7caa27f 100644
--- a/tritonparse/reproducer/templates/loader.py
+++ b/tritonparse/reproducer/templates/loader.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 from importlib.resources import files as pkg_files
 from pathlib import Path
 from typing import List
diff --git a/tritonparse/reproducer/types.py b/tritonparse/reproducer/types.py
index 6683146..5f8779f 100644
--- a/tritonparse/reproducer/types.py
+++ b/tritonparse/reproducer/types.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 from enum import Enum
 
 
diff --git a/tritonparse/reproducer/utils.py b/tritonparse/reproducer/utils.py
index 5657db7..0fbfdfc 100644
--- a/tritonparse/reproducer/utils.py
+++ b/tritonparse/reproducer/utils.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import importlib
 import importlib.util
 import json
diff --git a/tritonparse/shared_vars.py b/tritonparse/shared_vars.py
index ad6be87..bb0dbb2 100644
--- a/tritonparse/shared_vars.py
+++ b/tritonparse/shared_vars.py
@@ -1,3 +1,4 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
 # We'd like to sperate structured logging module and tritonparse module as much as possible. So, put the shared variables here.
 import os
 
diff --git a/tritonparse/sourcemap_utils.py b/tritonparse/sourcemap_utils.py
index e2e9b75..354dace 100644
--- a/tritonparse/sourcemap_utils.py
+++ b/tritonparse/sourcemap_utils.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import logging
 from typing import Any, Dict, List
 
diff --git a/tritonparse/tools/decompress_bin_ndjson.py b/tritonparse/tools/decompress_bin_ndjson.py
index 030a1d1..77365e5 100644
--- a/tritonparse/tools/decompress_bin_ndjson.py
+++ b/tritonparse/tools/decompress_bin_ndjson.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 """
 Script to decompress .bin.ndjson files back to regular .ndjson format.
 
diff --git a/tritonparse/tools/format_fix.py b/tritonparse/tools/format_fix.py
index de30a8f..5a2466b 100644
--- a/tritonparse/tools/format_fix.py
+++ b/tritonparse/tools/format_fix.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 """
 Format fix script for tritonparse project.
 
diff --git a/tritonparse/tools/load_tensor.py b/tritonparse/tools/load_tensor.py
index 759d082..0ae9248 100644
--- a/tritonparse/tools/load_tensor.py
+++ b/tritonparse/tools/load_tensor.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 """
 Simple tensor loading utility for tritonparse saved tensors.
 Usage:
diff --git a/tritonparse/tools/prettify_ndjson.py b/tritonparse/tools/prettify_ndjson.py
index 6c637c8..72fb5e8 100644
--- a/tritonparse/tools/prettify_ndjson.py
+++ b/tritonparse/tools/prettify_ndjson.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 """
 Convert an NDJSON file to a prettified JSON file.
 
diff --git a/tritonparse/trace_processor.py b/tritonparse/trace_processor.py
index b321e6b..7c98af1 100644
--- a/tritonparse/trace_processor.py
+++ b/tritonparse/trace_processor.py
@@ -1,3 +1,5 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+
 import gzip
 import json
 import logging