Probably not.

A stock option usually has an expiration date. If you want to convert a stock option into an actual stock, you need to exercise the option before that date. "Exercising a stock option" means that you pay an amount of money stated in the option (which is hopefully lower than the current market price) to convert the stock option into an actual stock. When a stock option is not exercised until the expiration date, it simply becomes worthless. It would be very unusual for a stock option to have an expiration date of over 20 years.

Further, stock options for employees often (but not always) come attached with a clause that the options become invalid as soon as the employee leaves the company.

Probably not.

A stock option usually has an expiration date. If you want to convert a stock option into an actual stock (which could indeed still have value), you need to exercise the option before that date. "Exercising a stock option" means that you pay an amount of money stated in the option (which is hopefully lower than the current market price) to convert the stock option into an actual stock. When a stock option is not exercised until the expiration date, it simply becomes worthless. It would be very unusual for a stock option to have an expiration date of over 20 years.

Further, employee stock options often (but not always) come attached with a clause that the options become invalid as soon as the employee leaves the company.

Probably not.

A stock option usually has an expiration date. If you want to convert a stock option into a stock, you need to exercise the option before that date. "Exercising a stock option" means that you pay an amount of money stated in the option (which is hopefully lower than the current market price) to convert the stock option into an actual stock.

  When a stock option is not exercised until the expiration date, it simply becomes worthless.

Probably not.

A stock option usually has an expiration date. If you want to convert a stock option into an actual stock, you need to exercise the option before that date. "Exercising a stock option" means that you pay an amount of money stated in the option (which is hopefully lower than the current market price) to convert the stock option into an actual stock. When a stock option is not exercised until the expiration date, it simply becomes worthless. It would be very unusual for a stock option to have an expiration date of over 20 years.

Further, stock options for employees often (but not always) come attached with a clause that the options become invalid as soon as the employee leaves the company.