Thank you for the lease.
Section 1.11 of the lease about guarantor is blank, this means you did not sign any guarantee or obligation to pay the rent if the company did not pay. Thus, you need to inform the landlord you are no longer an owner and sold your share and also you are not personally liable on the lease payments and only the company is liable so he needs to pursue the LLC and contact the owners of the LLC.
If he tries to sue, since you are not a guarantor on the contract and members of an LLC are not personally liable for the debts of the LLC absent a personal guarantee you would be able to get the suit dismissed on that alone (not to mention that you are not the current proper party to represent the LLC as you sold your share).
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