Upon completion of an offering made in reliance on the crowdfunding exemption in RCW 21.20.880, an issuer shall file a final sales report in the form prescribed by the director no later than thirty days after the last sale in the offering with the director that includes the following information:

(1) The time period in which the offering was open;

(2) The number of shares or units sold in the offering;

(3) The number of investors that purchased shares or units in the offering; and

(4) The dollar amount sold in the offering.