Move SKU field after all product data

functions.php

<?php
// removes the meta information
remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_meta', 40 );

// adds the meta information after all other product data
add_action( 'woocommerce_after_single_product_summary', 'woocommerce_template_single_meta', 30 );