diff --git a/lib/submissions/serialize_for_api.rb b/lib/submissions/serialize_for_api.rb
index dcfac7fe..11ab98a1 100644
--- a/lib/submissions/serialize_for_api.rb
+++ b/lib/submissions/serialize_for_api.rb
@@ -23,11 +23,9 @@ module Submissions
 
       serialized_submitters = submitters.map { |submitter| Submitters::SerializeForApi.call(submitter, params:) }
 
-      json = submission.as_json(
-        SERIALIZE_PARAMS.deep_merge(
-          include: { submission_events: { only: %i[id submitter_id event_type event_timestamp] } }
-        )
-      )
+      json = submission.as_json(SERIALIZE_PARAMS)
+
+      json['submission_events'] = Submitters::SerializeForApi.serialize_events(submission.submission_events)
 
       if submitters.all?(&:completed_at?)
         last_submitter = submitters.max_by(&:completed_at)
diff --git a/lib/submitters/serialize_for_api.rb b/lib/submitters/serialize_for_api.rb
index 9e5c7787..297bf957 100644
--- a/lib/submitters/serialize_for_api.rb
+++ b/lib/submitters/serialize_for_api.rb
@@ -29,6 +29,7 @@ module Submitters
       additional_attrs['values'] = SerializeForWebhook.build_values_array(submitter)
       additional_attrs['documents'] = SerializeForWebhook.build_documents_array(submitter) if with_documents
       additional_attrs['preferences'] = submitter.preferences.except('default_values')
+      additional_attrs['submission_events'] = serialize_events(submitter.submission_events) if with_events
 
       additional_attrs['role'] =
         (submitter.submission.template_submitters ||
@@ -41,9 +42,14 @@ module Submitters
 
       include_params = {}
       include_params[:template] = { only: %i[id name created_at updated_at] } if with_template
-      include_params[:submission_events] = { only: %i[id submitter_id event_type event_timestamp] } if with_events
 
       submitter.as_json(SERIALIZE_PARAMS.merge(include: include_params)).merge(additional_attrs)
     end
+
+    def serialize_events(events)
+      events.map do |event|
+        event.as_json(only: %i[id submitter_id event_type event_timestamp]).merge('data' => event.data.slice('reason'))
+      end
+    end
   end
 end