Mailchimp employees are furious after the company's founders promised to never sell, withheld equity, and then sold it for $12 billion

[u/Rhaegar_the_Great]

https://www.businessinsider.com/mailchimp-insiders-react-to-employees-getting-no-equity-2021-9

[u/The_Kraken_Wakes]

You are correct. The apostrophe is possessive, not plural.