Insider Activity: Grindr Director Sells Shares as Stock Nears Record High Nathan Richardson, a director at Grindr Inc., sold 1,000 shares for $18,400 under a prearranged plan, leaving him with 16,642 shares. The transaction comes as the stock hovers near its 52-week high after a 90% annual surge. Analysts expect Grindr to turn profitable this year amid strong revenue growth.12