GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

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

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

Q1 2021

Shares 50 Value ($000) $5 Avg Close $91.76 Range $73.29 - $103.02

Q4 2020

Shares 50 Value ($000) $4 Avg Close $66.77 Range $56.97 - $74.00

Q3 2020

Shares 50 Value ($000) $3 Avg Close $59.00 Range $45.82 - $69.64

Q2 2020

Shares 100 Value ($000) $5 Avg Close $44.46 Range $36.39 - $53.45

Q1 2020

Shares 100 Value ($000) $4 Avg Close $50.01 Range $30.60 - $56.58

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	50	$5	$91.76	$73.29 - $103.02
Q4 2020	50	$4	$66.77	$56.97 - $74.00
Q3 2020	50	$3	$59.00	$45.82 - $69.64
Q2 2020	100	$5	$44.46	$36.39 - $53.45
Q1 2020	100	$4	$50.01	$30.60 - $56.58