FuelCell Energy Inc (FCEL)

[NSX]

Selling stocks out of an investor's brokerage account without authorization in order to increase the broker's commissions is considered illegal and unauthorized trading.

It is something you can write your broker firm and request that none of your shares are available for loans or disbursment without your written approval in a margin account. It is understood, and the rules/law, that cash account shares are strictly prohibitted from being borrowed. In a cash account, the owner must have his entire shares available at a moments notice for a transaction.

https://www.sonnlaw.com/faq/can-my-broker-lend-my-shares/