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 10 through August 14 include:

• Director of Axis Capital (AXS) Charles Davis purchased 496,468 shares of company stock at $45.42 per share for a total transaction value of $22,547,342 (7%)

• Director of Red Rock Resorts (RRR) Lorenzo Fertitta purchased 705,000 shares of company stock at $14.12 per share for a total transaction value of $9,951,780; Frank Fertitta purchased 450,000 shares of company stock at $14.79 for a total transaction value of $6,654,420 13%

• Director of Acutus Medical (AFIB) purchased 415,000 shares of company stock at $18.00 per share for a total transaction value of $7,470,000 

• Beneficial owner of AquaBounty Technologies (AQB) Randal Kirk purchased 4,000,000 shares of company stock at $2.50 per share for a total transaction value of $10,000,000; Director Alana Czypinski purchased 4,000,000 shares of company stock at $2.50 per share for a total transaction value of $10,000,000

•  Director of Upwork (UPWK) Gregory Gretsch purchased 547,844 shares of company stock at $14.71 per share for a total transaction value of $8,059,224.

NOTABLE INSIDER SALES: Significant insider sales reported in the prior week from August 10 through August 14 include: 

• Director of Aaron's (AAN) Curtis Linn Doman sold 135,990 shares of company stock at $59.03 per share for a total transaction value of $8,027,870

• Director of Addus Homecare (ADUS) Mark First sold 475,000 shares of company stock at $94.26 per share for a total transaction value of $44,773,500

• Chairman of CarGurus (CARG)Langley Steinert sold 51,970 shares of company stock at $27.97 per share for a total transaction value of $1,453,341

• CFO of CBIZ (CBZ) Ware Grove sold 10,000 shares of company stock at $25.47 per share for a total transaction value of $254,748

• CEO of Century Aluminum (CENX) Michael Bless sold 37,324 shares of company stock at $10.13 per share for a total transaction value of $378,092.

NOTABLE PRICE MOVEMENT AFTER INSIDER TRANSACTION: Shares of Red Rock Resorts are up approximately 13% since directors Lorenzo and Frank Fertitta purchased stock, while CarGurus is down almost 4% since chairman Langley Steinert sold shares.