AMERICAN PUBLIC EDUCATION IN

Ticker: APEI CUSIP: 02913V103 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 10,727 Value ($000) $327 Avg Close $30.75 Range $25.35 - $35.92

Q3 2020

Shares 11,258 Value ($000) $317 Avg Close $30.40 Range $26.80 - $41.09

Q2 2020

Shares 8,539 Value ($000) $253 Avg Close $27.98 Range $20.56 - $34.63

Q2 2019

Shares 4,480 Value ($000) $133 Avg Close $30.62 Range $27.85 - $34.97

Q1 2018

Shares 5,195 Value ($000) $223 Avg Close $30.67 Range $23.15 - $45.75

Q4 2016

Shares 9,891 Value ($000) $243 Avg Close $22.36 Range $14.75 - $27.20

Q2 2016

Shares 11,895 Value ($000) $334 Avg Close $24.83 Range $19.25 - $28.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	10,727	$327	$30.75	$25.35 - $35.92
Q3 2020	11,258	$317	$30.40	$26.80 - $41.09
Q2 2020	8,539	$253	$27.98	$20.56 - $34.63
Q2 2019	4,480	$133	$30.62	$27.85 - $34.97
Q1 2018	5,195	$223	$30.67	$23.15 - $45.75
Q4 2016	9,891	$243	$22.36	$14.75 - $27.20
Q2 2016	11,895	$334	$24.83	$19.25 - $28.64