diff --git a/api/institutions/serializers.py b/api/institutions/serializers.py
index 29c7c8b380a..38d652f01e5 100644
--- a/api/institutions/serializers.py
+++ b/api/institutions/serializers.py
@@ -334,6 +334,7 @@ class Meta:
     department = ser.CharField(read_only=True, source='department_name')
     orcid_id = ser.CharField(read_only=True)
     month_last_login = YearmonthField(read_only=True)
+    month_activity = YearmonthField(read_only=True)
     account_creation_date = YearmonthField(read_only=True)
 
     public_projects = ser.IntegerField(read_only=True, source='public_project_count')
diff --git a/api/institutions/views.py b/api/institutions/views.py
index c13cb1f8d74..300fa998adf 100644
--- a/api/institutions/views.py
+++ b/api/institutions/views.py
@@ -561,6 +561,7 @@ class _NewInstitutionUserMetricsList(InstitutionMixin, ElasticsearchListView):
         'user_name',
         'department',
         'month_last_login',
+        'month_activity',
         'account_creation_date',
         'public_projects',
         'private_projects',
diff --git a/osf/metrics/reporters/institutional_users.py b/osf/metrics/reporters/institutional_users.py
index 98e13003387..22493015360 100644
--- a/osf/metrics/reporters/institutional_users.py
+++ b/osf/metrics/reporters/institutional_users.py
@@ -52,6 +52,7 @@ def __post_init__(self):
                 if self.user.date_last_login is not None
                 else None
             ),
+            month_activity=self._get_last_active(self.user),
             account_creation_date=YearMonth.from_date(self.user.created),
             orcid_id=self.user.get_verified_external_id('ORCID', verified_only=True),
             public_project_count=self._public_project_queryset().count(),
@@ -140,3 +141,42 @@ def _storage_byte_count(self):
             purged__isnull=True,
             basefilenode__in=self._public_osfstorage_file_queryset(),
         ).aggregate(storage_bytes=Sum('size', default=0))['storage_bytes']
+
+    def _get_last_active(self, user):
+        start_date = self.yearmonth.target_month()
+        end_date = self.yearmonth.next_month()
+
+        # Fetch NodeLogs for the user within the date range
+        node_logs = user.logs.filter(
+            created__gte=start_date,
+            created__lt=end_date,
+        ).order_by('-created')
+
+        # Get preprints associated with the user and institution
+        # Fetch PreprintLogs for the user within the date range
+        preprint_logs = user.preprint_logs.filter(
+            created__gte=start_date,
+            created__lt=end_date,
+        ).order_by('-created')
+
+        # Get the latest activity date from NodeLogs and PreprintLogs
+        latest_node_log_date = node_logs.first().created if node_logs.exists() else None
+        latest_preprint_log_date = preprint_logs.first().created if preprint_logs.exists() else None
+
+        # Determine the most recent activity date
+        latest_activity_date = max(
+            filter(None, [latest_node_log_date, latest_preprint_log_date]),
+            default=None
+        )
+        print(latest_activity_date)
+        print(latest_activity_date)
+        print(latest_activity_date)
+        print(latest_activity_date)
+        print(latest_activity_date)
+        print(latest_activity_date)
+        print(latest_activity_date)
+        # Return the YearMonth of the latest activity date
+        if latest_activity_date:
+            return YearMonth.from_date(latest_activity_date)
+        else:
+            return None
\ No newline at end of file
diff --git a/osf/metrics/reports.py b/osf/metrics/reports.py
index 08d14867ae0..0da64d15ac1 100644
--- a/osf/metrics/reports.py
+++ b/osf/metrics/reports.py
@@ -260,6 +260,7 @@ class InstitutionalUserReport(MonthlyReport):
     user_name = metrics.Keyword()
     department_name = metrics.Keyword()
     month_last_login = YearmonthField()
+    month_activity = YearmonthField()
     account_creation_date = YearmonthField()
     orcid_id = metrics.Keyword()
     # counts:
diff --git a/osf_tests/metrics/reporters/test_institutional_users_reporter.py b/osf_tests/metrics/reporters/test_institutional_users_reporter.py
index 8fbb873083f..2912a6a6d61 100644
--- a/osf_tests/metrics/reporters/test_institutional_users_reporter.py
+++ b/osf_tests/metrics/reporters/test_institutional_users_reporter.py
@@ -52,6 +52,7 @@ def _assert_report_matches_setup(self, report: InstitutionalUserReport, setup: _
         self.assertEqual(report.user_name, setup.user.fullname)
         self.assertEqual(report.department_name, setup.department_name)
         self.assertEqual(report.month_last_login, YearMonth.from_date(setup.user.date_last_login))
+        self.assertEqual(report.month_activity, YearMonth.from_date(setup.user.month_activity))
         self.assertEqual(report.account_creation_date, YearMonth.from_date(setup.user.created))
         self.assertEqual(report.orcid_id, setup.orcid_id)
         # counts (NOTE: report.public_file_count and report.storage_byte_count tested separately)