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 August 19 through August 23 include:

• Director of Donnelley Financial (DFIN) Jeffrey Jacobowitz purchased 314,057 shares of company stock at $11.42 per share for a total transaction value of $3,587,222

• VP of AbbVie (ABBV) Jeffrey Stewart purchased 15,552 shares of company stock at $64.44 per share for a total transaction value of $1,002,169

• VP of Fossil Group (FOSL) Gregory McKelvey purchased 200,000 shares of company stock at $10.07 per share for a total transaction value of $2,014,560

• Director of JC Penney (JCP) Ronald Tysoe purchased 1,000,000 shares of company stock at 59c per share for a total transaction value of $590,000

• Director of Citizens Financial Group (CFG) Charles Koch purchased 15,000 shares of company stock at $32.45 per share for a total transaction value of $486,750

NOTABLE INSIDER SALES: Significant insider sales reported in the prior week from August 19 through August 23 include:

• VP of Home Depot (HD) William Lennie sold 9,200 shares of company stock at $220.05 per share for a total transaction value of $2,024,460

• Director of Extra Space Storage (EXR) Spencer Kirk sold 251,897 shares of company stock at $121.17 per share for a total transaction value of $30,522,208

• Founder and beneficial owner of Lululemon Athletica (LULU) Dennis Wilson sold 164,061 shares of company stock at $182.89 per share for a total transaction value of $30,005,362

• VP of Air Lease (AL) Marc Baer sold 10,000 shares of company stock at $39.00 per share for a total transaction value of $390,000

• VP of Estee Lauder (EL) Alexandra Trower sold 6,608 shares of company stock at $203.78 per share for a total transaction value of $1,346,578

NOTABLE PRICE MOVEMENT AFTER INSIDER TRANSACTIONS: Shares of  Fossil Group are up 10.5% after VP Gregory McKelvey purchased 200,000 shares of company stock, while shares of Extra Space Storage are down 2.5% after director Spencer Kirk sold 251,897 shares of company stock.