Unlisted companies are acquired, will the purchased options be returned?

Unlisted companies have been acquired, and the purchased options will not be returned. According to the relevant information inquired, the company was acquired after it failed to go public, and employees have obtained options that can be exercised. The purchased options are non-refundable and can be sold to the acquirer together with the company. The company can also negotiate with the acquirer, and the employees will continue to work in the company and continue to make options and exercise according to the previous progress.