I believe I have posted this URL before, but all the UPCs are on TFW at:
https://www.tfw2005.com/boards/threa...-toys.1074170/
When you plop it into stocktrack, drop the last digit:
Optimus Prime 3-Pack: Hasbro product code # F0707, EAN # 5010993768745 (drop the 5)
Soundwave 3-Pack: Hasbro product code # F0708, EAN # 5010993768738 (drop the 8)