diff --git a/dashboard/memory_storage.py b/dashboard/memory_storage.py
index f6669fb15..446ae441e 100644
--- a/dashboard/memory_storage.py
+++ b/dashboard/memory_storage.py
@@ -27,6 +27,7 @@ class CachedMemoryStorage(MemoryStorage):
 
         # common indexes
         self.records = {}
+        self.primary_key_index = {}
         self.record_types_index = {}
         self.module_index = {}
         self.user_id_index = {}
@@ -34,6 +35,7 @@ class CachedMemoryStorage(MemoryStorage):
         self.release_index = {}
 
         self.indexes = {
+            'primary_key': self.primary_key_index,
             'record_type': self.record_types_index,
             'company_name': self.company_index,
             'module': self.module_index,
@@ -109,6 +111,13 @@ class CachedMemoryStorage(MemoryStorage):
         for i in record_ids:
             yield self.records[i]
 
+    def get_record_by_primary_key(self, primary_key):
+        record_id = list(self.primary_key_index[primary_key])
+        if record_id:
+            return self.records[record_id[0]]
+        else:
+            return None
+
     def get_original_company_name(self, company_name):
         normalized = company_name.lower()
         if normalized not in self.company_name_mapping:
diff --git a/dashboard/templates/overview.html b/dashboard/templates/overview.html
index fb6685e29..71a4fdd52 100644
--- a/dashboard/templates/overview.html
+++ b/dashboard/templates/overview.html
@@ -29,7 +29,11 @@
                 url: make_uri("/data/activity.json"),
                 dataType: "json",
                 success: function (data) {
-                    $("#activity_template").tmpl(data["activity"]).appendTo("#activity_container");
+                    {% if metric == 'marks' %}
+                    $("#review_activity_template").tmpl(data["activity"]).appendTo("#activity_container");
+                    {% else %}
+                    $("#commit_activity_template").tmpl(data["activity"]).appendTo("#activity_container");
+                    {% endif %}
                 }
             });
         });
@@ -61,7 +65,7 @@
 </script>
 
 {# Templates #}
-<script id="activity_template" type="text/x-jquery-tmpl">
+<script id="commit_activity_template" type="text/x-jquery-tmpl">
     {% raw %}
     <div style="margin-bottom: 1em;">
     <div style='float: left; '><img src="${gravatar}" style="width: 32px; height: 32px;"></div>
@@ -83,6 +87,23 @@
     {% endraw %}
 </script>
 
+<script id="review_activity_template" type="text/x-jquery-tmpl">
+    {% raw %}
+    <div style="margin-bottom: 1em;">
+    <div style='float: left; '><img src="${gravatar}" style="width: 32px; height: 32px;"></div>
+    <div style="margin-left: 40px;">
+        <div style="font-weight: bold;">{%html author_link %} ({%html company_link %})</div>
+        <div style="font-weight: bold;">${date_str} to <a href="https://launchpad.net/${module}">${module}</a></div>
+    </div>
+    <div style="margin-left: 40px;">
+        <div style='font-weight: bold;'>${subject}</div>
+        <div>Change Id: <a href="${url}">${review_id}</a></div>
+        <div>Review mark: ${value}</div>
+    </div>
+    </div>
+    {% endraw %}
+</script>
+
 <script id="user_profile_template" type="text/x-jquery-tmpl">
     {% raw %}
     <div>
diff --git a/dashboard/web.py b/dashboard/web.py
index ce07b9e3f..4c40c0dae 100644
--- a/dashboard/web.py
+++ b/dashboard/web.py
@@ -549,11 +549,22 @@ def get_engineers(records, metric_filter, finalize_handler):
     return json.dumps(response)
 
 
+def extend_record(record):
+    record['date_str'] = format_datetime(record['date'])
+    record['author_link'] = make_link(
+        record['author_name'], '/', {'user_id': record['user_id']})
+    record['company_link'] = make_link(
+        record['company_name'], '/',
+        {'company': record['company_name']})
+    record['gravatar'] = gravatar(record['author_email'])
+
+
 @app.route('/data/activity.json')
 @exception_handler()
 @record_filter()
 def get_activity_json(records):
-    commits = []
+    result = []
+    memory_storage_inst = get_memory_storage()
     for record in records:
         if record['record_type'] == 'commit':
             commit = record.copy()
@@ -561,16 +572,20 @@ def get_activity_json(records):
             if 'correction_comment' not in commit:
                 commit['correction_comment'] = ''
             commit['message'] = make_commit_message(record)
-            commit['date_str'] = format_datetime(commit['date'])
-            commit['author_link'] = make_link(
-                commit['author_name'], '/', {'user_id': commit['user_id']})
-            commit['company_link'] = make_link(
-                commit['company_name'], '/',
-                {'company': commit['company_name']})
-            commit['gravatar'] = gravatar(commit['author_email'])
-            commits.append(commit)
-    commits.sort(key=lambda x: x['date'], reverse=True)
-    return json.dumps({'activity': commits[0:DEFAULT_RECORDS_LIMIT]})
+            extend_record(commit)
+            result.append(commit)
+        elif record['record_type'] == 'mark':
+            review = record.copy()
+            parent = memory_storage_inst.get_record_by_primary_key(
+                review['review_id'])
+            if parent:
+                review['subject'] = parent['subject']
+                review['url'] = parent['url']
+                extend_record(review)
+                result.append(review)
+
+    result.sort(key=lambda x: x['date'], reverse=True)
+    return json.dumps({'activity': result[0:DEFAULT_RECORDS_LIMIT]})
 
 
 @app.route('/data/contribution.json')