Hedge Fund and Insider Trading News: Bill Ackman, Glen Kacher, Warren Buffett, D.E. Shaw, Sunrun Inc. (RUN), Interface, Inc. (TILE), and More

A Director at Interface (NASDAQ: TILE) is Buying Shares (Analyst Ratings)
Today, a Director at Interface (TILE), Christopher G. Kennedy, bought shares of TILE for $673.3K. Following this transaction Christopher G. Kennedy’s holding in the company was increased by 59.12% to a total of $1.88 million.

Insider Activity: Large Investor in Sunrun Inc. (RUN) Buys $19.4 Million in Stock (Investors Observer)
Tiger Global Management LLC, who already control 10% of shares at Sunrun Inc. (RUN), bought 1,139,797 additional shares of the company’s common stock on Sept 20. At $16.99 per share, Tiger Global Management paid a total of $19,360,807 for the new shares.

Citadel Just Cut a Team Managing More than $1 billion After an Analyst and a Data Scientist Broke Internal Compliance Rules About Trading in Personal Accounts (Business Insider)
Citadel has liquidated a portfolio with more than a billion dollars in energy investments run out of Texas after analyst Josh Lingsch and data scientist Derek Allums were fired from the firm this week for violating the firm’s rules around trading in personal accounts. The team of nine people was the worst-performing team at Citadel this year of the more than 30 portfolio groups in the firm’s Global Equities business, a source close to the firm said. Some members of that now-shuttered team have now joined other teams at the firm. Citadel manages a total of $32 billion.

The CEO of Ulta Beauty Inc (NASDAQ: ULTA) is Buying Shares (Analyst Ratings)
Today, the CEO of Ulta Beauty Inc (ULTA), Mary Dillon, bought shares of ULTA for $308.3K. Following this transaction Mary Dillon’s holding in the company was increased by 1.24% to a total of $25 million.