ALASKA AIR GROUP INC

Ticker: ALK CUSIP: 011659109 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

Note: Option positions (PUT/CALL) are excluded.

Q1 2021

Shares 9,253 Value ($000) $640 Avg Close $60.10 Range $48.09 - $73.75

Q2 2014

Shares 12,415 Value ($000) $1,180 Avg Close $43.26 Range $39.84 - $45.93

Q1 2014

Shares 27,107 Value ($000) $2,529 Avg Close $37.56 Range $32.81 - $42.62

Q4 2013

Shares 14,219 Value ($000) $1,043 Avg Close $32.10 Range $27.18 - $35.52

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	9,253	$640	$60.10	$48.09 - $73.75
Q2 2014	12,415	$1,180	$43.26	$39.84 - $45.93
Q1 2014	27,107	$2,529	$37.56	$32.81 - $42.62
Q4 2013	14,219	$1,043	$32.10	$27.18 - $35.52