QUALYS INC

Ticker: QLYS CUSIP: 74758T303 Class: COM

CENTRAL TRUST Co's Holding History (CIK: 0000044365)

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

Q3 2022

Shares 32 Value ($000) $4 Avg Close $140.93 Range $114.02 - $162.36

Q2 2020

Shares 20 Value ($000) $2 Avg Close $104.77 Range $81.80 - $119.20

Q1 2020

Shares 50 Value ($000) $4 Avg Close $83.95 Range $63.37 - $94.72

Q3 2018

Shares 150 Value ($000) $13 Avg Close $89.90 Range $82.91 - $98.30

Q2 2018

Shares 150 Value ($000) $13 Avg Close $80.38 Range $68.20 - $97.75

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	32	$4	$140.93	$114.02 - $162.36
Q2 2020	20	$2	$104.77	$81.80 - $119.20
Q1 2020	50	$4	$83.95	$63.37 - $94.72
Q3 2018	150	$13	$89.90	$82.91 - $98.30
Q2 2018	150	$13	$80.38	$68.20 - $97.75