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 July 19 through July 23 include:

• Chairman of Air T (AIRT) Nicholas Swenson purchased 4,591 shares of company stock at $28.01 per share for a total transaction value of $128,612

• Director of Guaranty Bancshares (GNTY) James Bunch purchased 3,000 shares of company stock at $33.72 per share for a total transaction value of $101,160

• Beneficial Owner of TPG Pace Tech (PACE) Light Street Capital Management purchased 35,580 shares of company stock at $12.60 per share for a total transaction value of $448,443

• Beneficial owner of Molecular Templates (MTEM) purchased 192,200 shares of company stock at $10.12 per share for a total transaction value of $1,945,641

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

• Officer of Airbnb (ABNB) Nathan Blecharczyk sold 122,309 shares of company stock at $140.00 per share for a total transaction value of $17,123,260

• Director of Aehr Test Systems (AEHR) Scott Geoffrey sold 23,000 shares of company stock at $7.03 per share for a total transaction value of $161,591

• Chairman of Alteryx (AYX) Dean Stoecker sold 20,000 shares of company stock at $80.34 per share for a total transaction value of $1,606,762

• Chairman of Chipotle Mexican Grill (CMG) Brian Niccol sold 20,773 hares of company stock at $1,756.16 per share for a total transaction value of $36,480,739

NOTABLE PRICE MOVEMENT AFTER INSIDER TRANSACTION: Shares of Air T are up approximately 7% since insider Nicholas Swenson purchased 4,591 shares of company stock at $28.01 per share, while shares of Aehr Test Systems are down approximately 20% since insider Scott Geoffrey sold 23,000 shares of company stock at $7.03 per share.