add_filter('woocommerce_sale_flash', 'woo_custom_hide_sales_flash');
function woo_custom_hide_sales_flash()
{
    if ( is_user_logged_in() ) {
        return true;
    }
    return false;
}

function sales_markup() {

    if(!is_admin()) {

    if(is_user_logged_in())    {
     // Instead of outputting add the markup that you want to show
     $output = '<div class="Sales_markup_here">
      </div>';
     return $output;

     }
  }
}

// use shortcode instead of action and then use shortcode anywhere you want to ouptut it
add_shortcode( 'sales_markup', 'sales_markup' );

add_filter( 'woocommerce_sale_flash', 'filter_sales_flash_callback', 100, 3 );
function filter_sales_flash_callback( $output_html, $post, $product )
{
    if ( ! is_user_logged_in() ) {
        $output_html = false;
    }
    return $output_html;
}