Welcome to "Fly Insider," The Fly's weekly recap of notable insider stock transactions.

NOTABLE INSIDER PURCHASES: Significant Insider purchases reported in the prior week from February 11 through February 15 include:

• Director of Select Bancorp (SLCT) Seth Wilfong purchased 25,000 shares of company stock at $12 per share for a total transaction value of $300,000
• Beneficial Owner of vTv Therapeutics (VTVT) Ronald Perelman purchased 815,217 shares of company stock at $1.84 per share for a total transaction value of $1,499,999
• Director of Unifi (UFI) Robert Bishop purchased 24,354 shares of company stock at $22.92 per share for a total transaction value of $558,194
• Director of Guaranty Bancshares (GNTY) Richard Baker purchased 100,000 shares of company stock at $30 per share for a total transaction value of $3,000,000

NOTABLE INSIDER SALES: Significant Insider sales reported in the prior week from February 11 through February 15 include: 

• Director of Abiomed (ABMD) Martin Sutter sold 20,000 shares of company stock at $360.16 for a total transaction value of $7,203,112
• VP of UDR ((UDR) Warren Troupe sold 50,000 shares of company stock at $44.66 per share at a total transaction value of $2,232,800
• CFO of Fabrinet (FN) Toh-Seng NG sold 20,000 shares of company stock at $54.73 per share for a total transaction value of $1,094,560
• Chairman of Abury Automotive Group (ABG) Thomas Deloach sold 9,000 shares of company stock at an average price of $71.67 for a total transaction value of $645,060
• Director of Microchip Technology (MCHP) Matthew Chapman sold 4,660 shares of company stock at $91.04 per share at a total transaction value of $424,246

NOTABLE PRICE MOVEMENT AFTER INSIDER TRANSACTION: Shares of vTv Therapeutics are lower by approximately 4% for the week that ended February 15.