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 22 through February 26 include:

• Beneficial owner of Molecular Templates (MTEM) Biotech Target purchased 310,004 shares of company stock at $11.33 per share for a total transaction amount of $3,513,864

• Director of Macy's (M) Paul Varga purchased 33,115 shares of company stock at $15.42 per share for a total transaction amount of $510,630

• CEO of Cannae Holdings (CNNE) Richard Massey purchased 10,000 shares of company stock at $39.78 per share for a total transaction amount of $397,836

• Beneficial owner of Sensei Biotherapeutics (SNSE) Cambrian BioPharma purchase 31,000 shares of company stock at $16.48 per share for a total transaction amount of $510,861.

NOTABLE INSIDER SALES: Significant insider sales in the prior week from February 22 through February 26 include:

• Officer of Palantir Technologies (PLTR) Matthew Long sold 220,000 shares of company stock at $30.02 per share for a total transaction amount of $6,604,092

• Beneficial owner of Devon Energy (DVN) Felix Investments sold 29,579,389 shares of company stock at $21.05 per share for a total transaction amount of $622,646,138

• Director of Walmart (WMT) Robson Walton sold 1,000,000 shares of company stock at $130.99 per share for a total transaction amount of $130,989,400

• COO of MGM Resorts (MGM) Corey Sanders sold 40,000 shares of company stock at $38.52 per share for a total transaction amount of $1,540,772

NOTABLE PRICE MOVEMENT AFTER INSIDER TRANSACTIONS: Shares of Cannae Holdings are up over 2% since the CEO of the company purchased shares, while shares of Palantir Technologies are down approximately 17% since Long sold shares.