Mumbai: Shares of Avenue Supermarts, the parent company of supermarket chain D-Mart, slipped by 6.44 per cent on Friday after the company announced its promoters will offload 2.28 per cent stake (1.48 crore shares) through the offer for sale (OFS) route. Those investors who missed the Initial Public Offering (IPO) bus have the opportunity to own the shares now, albeit at a discount to the market price.