{% include 'components/create_exchange_modal.html.j2' %}
diff --git a/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/home.html.j2 b/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/home.html.j2
index 1330399f2..075d6de66 100644
--- a/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/home.html.j2
+++ b/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/home.html.j2
@@ -1,3 +1,4 @@
+{# Copyright (c) Meta Platforms, Inc. and affiliates. #}
{% if not production %}
{% include "components/dev_mode_bar.html.j2" %}
{% endif %}
diff --git a/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/match_dbg.html.j2 b/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/match_dbg.html.j2
index b21f32126..03c8e0b1b 100644
--- a/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/match_dbg.html.j2
+++ b/hasher-matcher-actioner/src/OpenMediaMatch/templates/pages/match_dbg.html.j2
@@ -1,3 +1,4 @@
+{# Copyright (c) Meta Platforms, Inc. and affiliates. #}
Matching and SignalType Debugger
diff --git a/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_api.py b/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_api.py
index 628ca9d37..e7e96d9c7 100644
--- a/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_api.py
+++ b/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_api.py
@@ -1,3 +1,5 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
import typing as t
from flask.testing import FlaskClient
diff --git a/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_database.py b/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_database.py
index 01a5f67ea..adc651aa1 100644
--- a/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_database.py
+++ b/hasher-matcher-actioner/src/OpenMediaMatch/tests/test_database.py
@@ -1,3 +1,5 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
import typing as t
from flask import Flask
from sqlalchemy import select, and_
diff --git a/hasher-matcher-actioner/src/OpenMediaMatch/tests/utils.py b/hasher-matcher-actioner/src/OpenMediaMatch/tests/utils.py
index 1f675538a..9f0a5bf8d 100644
--- a/hasher-matcher-actioner/src/OpenMediaMatch/tests/utils.py
+++ b/hasher-matcher-actioner/src/OpenMediaMatch/tests/utils.py
@@ -1,3 +1,5 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
import os
import pytest
import typing as t
diff --git a/hasher-matcher-actioner/src/OpenMediaMatch/utils/formatters.py b/hasher-matcher-actioner/src/OpenMediaMatch/utils/formatters.py
index 6742f6f0f..283c83094 100644
--- a/hasher-matcher-actioner/src/OpenMediaMatch/utils/formatters.py
+++ b/hasher-matcher-actioner/src/OpenMediaMatch/utils/formatters.py
@@ -1,3 +1,5 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
from pythonjsonlogger import jsonlogger
diff --git a/vpdq/cpp/pdq/cpp/hashing/torben.cpp b/vpdq/cpp/pdq/cpp/hashing/torben.cpp
index ae1d05959..bdc2618a3 100644
--- a/vpdq/cpp/pdq/cpp/hashing/torben.cpp
+++ b/vpdq/cpp/pdq/cpp/hashing/torben.cpp
@@ -1,13 +1,15 @@
// ================================================================
-// The following code is public domain.
-// Algorithm by Torben Mogensen, implementation by N. Devillard.
-// This code in public domain.
+// Copyright (c) Meta Platforms, Inc. and affiliates.
// ================================================================
namespace facebook {
namespace pdq {
namespace hashing {
+/**
+ * The following code is public domain.
+ * Algorithm by Torben Mogensen, implementation by N. Devillard.
+ */
float torben(float m[], int n) {
int i, less, greater, equal;
float min, max, guess, maxltguess, mingtguess;
diff --git a/vpdq/cpp/pdq/cpp/hashing/torben.h b/vpdq/cpp/pdq/cpp/hashing/torben.h
index acb06097f..4ffe49ef9 100644
--- a/vpdq/cpp/pdq/cpp/hashing/torben.h
+++ b/vpdq/cpp/pdq/cpp/hashing/torben.h
@@ -1,20 +1,18 @@
// ================================================================
-// The following code is public domain.
-// Algorithm by Torben Mogensen, implementation by N. Devillard.
-// This code in public domain.
+// Copyright (c) Meta Platforms, Inc. and affiliates.
// ================================================================
#ifndef TORBEN_H
#define TORBEN_H
-/*
- * The following code is public domain.
- * Algorithm by Torben Mogensen, implementation by N. Devillard.
- * This code in public domain.
- */
namespace facebook {
namespace pdq {
namespace hashing {
+
+/**
+ * The following code is public domain.
+ * Algorithm by Torben Mogensen, implementation by N. Devillard.
+ */
float torben(float m[], int n);
} // namespace hashing
} // namespace pdq
diff --git a/vpdq/python/tools/generate_hashes.py b/vpdq/python/tools/generate_hashes.py
index 9c1422560..113995dda 100644
--- a/vpdq/python/tools/generate_hashes.py
+++ b/vpdq/python/tools/generate_hashes.py
@@ -1,3 +1,5 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
import vpdq # type: ignore
from pathlib import Path
from typing import Union, Sequence