diff --git a/backend/open_webui/routers/folders.py b/backend/open_webui/routers/folders.py
index cfce4ad996..01090157ad 100644
--- a/backend/open_webui/routers/folders.py
+++ b/backend/open_webui/routers/folders.py
@@ -550,6 +550,8 @@ async def get_shared_folder_chats(
             owner_cache[uid] = u.name if u else 'Unknown'
         chat['owner_name'] = owner_cache[uid]
         chat['active'] = False
+        if chat['user_id'] != user.id:
+            chat['last_read_at'] = chat['updated_at']
         if await has_active_tasks(request.app.state.redis, chat['id']):
             chat['active'] = await ChatMessages.has_unfinished_assistant_by_chat_id(chat['id'], db=db)
 
diff --git a/src/lib/components/layout/Sidebar/SharedFolderItem.svelte b/src/lib/components/layout/Sidebar/SharedFolderItem.svelte
index 98a92f9042..076d51bde8 100644
--- a/src/lib/components/layout/Sidebar/SharedFolderItem.svelte
+++ b/src/lib/components/layout/Sidebar/SharedFolderItem.svelte
@@ -124,6 +124,7 @@
 						title={chat.title}
 						createdAt={chat.created_at}
 						updatedAt={chat.updated_at}
+						lastReadAt={chat.last_read_at}
 						active={chat.active ?? false}
 						ownerName={chat.owner_name}
 						ownerUserId={chat.user_id}