AMTECH SYS INC

Ticker: ASYS CUSIP: 032332504 Class: COM PAR $0.01N

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

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

Q1 2019

Shares 15,374 Value ($000) $82 Avg Close $4.94 Range $4.35 - $5.45

Q4 2018

Shares 11,531 Value ($000) $52 Avg Close $4.88 Range $4.03 - $5.83

Q2 2018

Shares 112,199 Value ($000) $700 Avg Close $7.80 Range $5.85 - $10.67

Q1 2018

Shares 189,727 Value ($000) $1,389 Avg Close $9.00 Range $6.92 - $11.53

Q4 2017

Shares 215,500 Value ($000) $2,187 Avg Close $12.22 Range $9.31 - $15.45

Q4 2015

Shares 19,560 Value ($000) $130 Avg Close $5.17 Range $4.12 - $8.40

Q2 2015

Shares 11,258 Value ($000) $117 Avg Close $11.09 Range $9.84 - $12.93

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	15,374	$82	$4.94	$4.35 - $5.45
Q4 2018	11,531	$52	$4.88	$4.03 - $5.83
Q2 2018	112,199	$700	$7.80	$5.85 - $10.67
Q1 2018	189,727	$1,389	$9.00	$6.92 - $11.53
Q4 2017	215,500	$2,187	$12.22	$9.31 - $15.45
Q4 2015	19,560	$130	$5.17	$4.12 - $8.40
Q2 2015	11,258	$117	$11.09	$9.84 - $12.93