Twitter CEO Jack Dorsey buys $7M in stock Dorsey tweeted the regulatory filing on Valentine’s Day with the hashtag #LoveTwitter. Check out this story on USATODAY.com: http://usat.ly/2lhynoq SAN FRANCISCO – Wall Street may have lost confidence in Twitter, but the company’s cheerleader-in-chief, Jack Dorsey, is voting with his wallet, buying about $7 million worth of shares.