X0306 4 2018-11-27 false 0000766421 ALASKA AIR GROUP, INC. ALK 0001188787 THOMPSON J KENNETH 19300 INTERNATIONAL BLVD SEATTLE WA 98188 true false false false COMMON STOCK 2018-11-27 5 G false 700 0 D 36353 D COMMON STOCK 2018-12-03 4 S false 2500 73.1202 D 33853 D TOTAL HELD IN COLUMN 5 INCLUDES 21,344 DEFERRED STOCK UNITS PREVIOUSLY GRANTED UNDER THE ISSUER'S 2008 PERFORMANCE INCENTIVE PLAN. THE DEFERRED STOCK UNITS ARE 100% VESTED ON THE DATE OF GRANT AND ISSUABLE IN COMMON SHARES UPON RESIGNATION FROM THE ALASKA AIR GROUP, INC. BOARD OF DIRECTORS. THE PRICE REPORTED IN COLUMN 4 IS A WEIGHTED AVERAGE PRICE. THESE SHARES SOLD IN MULTIPLE TRANSACTIONS AT PRICES RANGING FROM $72.82 TO $73.30, INCLUSIVE. THE REPORTING PERSON UNDERTAKES TO PROVIDE TO ALASKA AIR GROUP, ANY SECURITY HOLDER OF ALASKA AIR GROUP, OR THE STAFF OF THE SECURITIES AND EXCHANGE COMMISSION, UPON REQUEST, FULL INFORMATION REGARDING THE NUMBER OF SHARES SOLD AT EACH SEPARATE PRICE WITHIN THE RANGES SET FORTH IN THIS FOOTNOTE. /S/ JEANNE E. GAMMON, ATTORNEY IN FACT FOR J. KENNETH THOMPSON 2018-12-03