Fly Insider: Ambrx, Intuitive Surgical among week’s notable insider trades

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 October 23 through October 27 include:

• Beneficial owner of Occidental Petroleum (OXY) Berkshire Hathaway purchased 3,921,835 shares of company stock at $62.83 per share for a total transaction amount of 246,408,109

•  Chairman of Northern Trust (NTRS) Michael O’Grady purchased 20,000 shares of company stock at $65.10 per share for a total transaction amount of $1,302,000

•  Beneficial Owner of Ambrx Biopharma (AMAM) Cormorant purchased 186,759 shares of company stock at $6.99 per share for a total transaction amount of $1,305,649

• Chairman of Martin Midstream Partners (MMLP) Martin Ruben purchased 68,700 shares of company stock at $2.35 per share for a total transaction amount of $161,672

NOTABLE INSIDER SALES Significant insider sales reported in the prior week from October 23 through October 27 include:

• Beneficial owner of Klaviyo (KVYO) Summit Partners sold 1,770,318 shares of company stock at $28.32 per share for a total transaction amount of $50,138,592

• Beneficial Owner of TD SYNNEX (SNX) Silver Star Developments sold 69,130 shares of company stock at $95.16 per share for a total transaction amount of $6,578,653

• CEO of Atlassian (TEAM) Cannon Brookes sold 8,241 shares of company stock at $176.94 per share for a total transaction amount of $1,458,122

• CEO of Intuitive Surgical (ISRG) Gary Guthart sold 32,345 shares of company stock at $261.92 per share for a total transaction amount of $8,471,802

NOTABLE PRICE MOVEMENT AFTER INSIDER TRANSACTION: Shares of Ambrx Biopharma moved up approximately 55% after beneficial owner Cormorant purchased 186,759 shares of company stock at $6.99 per share, while shares of Intuitive Surgical moved lower by approximately 3% after CEO of Gary Guthart sold 32,345 shares of company stock at $261.92 per share.