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 November 16 through November 20 include:

• Beneficial owner of Organogenesis (ORGO) Avista Capital purchased 4,404,162 shares of company stock at $3.29 per share for a total transaction value of $14,500,703

• CEO of MBIA Inc (MBI) William Fallon purchased 100,000 shares of company stock at $6.17 per share for a total transaction value of $617,000

• Officer of MultiPlan (MPLN) Paul Galant purchased 28,550 shares of company stock at $7.09 per share for a total transaction value of $202,297

• Beneficial owner of Avis (CAR) SRS Investment purchased 149,796 shares of company stock at $35.83 per share for a total transaction value of $5,366,547

• Chairman of GreenSky (GSKY) David Zalik purchased 1,105,220 shares of company stock at $3.47 per share for a total transaction value of $3,834,119.

NOTABLE INSIDER SALES: Significant insider sales in the prior week from November 16 through November 20 include:

• Beneficial owner of Estee Lauder (EL) LAL Family Partners sold 2,000,000 shares of company stock at $244.06 per share for a total transaction value of $488,120,000

• Shareholder of Plains GP (PAGP) EMG Investment sold 6,220,955 shares of company stock at $8.05 per share for a total transaction value of $50,078,688

• Chairman of Unity Software (U) John Riccitiello sold 1,899,317 shares of company stock at $46.13 per share for a total transaction value of $87,616,823

• Director of Revolve Group (REVG) Hadley Mullin sold 4,868,033 shares of company stock at $19.75 per share for a total transaction value of $96,143,652

• Director of Sysco (SYY) sold 1,752,163 shares of company stock at $72.42 per share for a total transaction value of $126,885,161

NOTABLE PRICE MOVEMENT AFTER INSIDER TRANSACTIONS: Shares of Organogenesis moved up over 65% to $5.50 per share after Avista Capital purchased shares while shares of Estee Lauder are down almost 2.5% after LAL Family sold shares.