53 Unauthorized Charges (and counting) by OpenAI

My wife got chatgpt plus for 2 months in 2025 (February and March) and she cancelled on April 17 2025 (end of subscription is on April 26) She was illegally charged 53 times (from March 24 to April 7, 2026) and still counting. We only founded out about this yesterday (April 6) when our bank sent us multiple verification codes confirming our purchase from openai which we did not authorize. We removed the card from her account and they still keep charging her card, multiple times, so many that we can’t even keep counting. Chatgpt customer service is useless.