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Ticker: ZM CUSIP: 98980L101 Class: EQTY

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q3 2021

Shares 1,289 Value ($000) $337 Avg Close $337.16 Range $255.25 - $406.48

Q2 2021

Shares 1,257 Value ($000) $486 Avg Close $333.04 Range $273.20 - $395.44

Q1 2021

Shares 1,232 Value ($000) $396 Avg Close $368.06 Range $302.32 - $451.77

Q4 2020

Shares 1,245 Value ($000) $420 Avg Close $445.83 Range $336.10 - $588.84

Q3 2020

Shares 1,232 Value ($000) $579 Avg Close $319.79 Range $230.00 - $529.74

Q2 2020

Shares 1,232 Value ($000) $312 Avg Close $179.93 Range $108.53 - $261.62

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	1,289	$337	$337.16	$255.25 - $406.48
Q2 2021	1,257	$486	$333.04	$273.20 - $395.44
Q1 2021	1,232	$396	$368.06	$302.32 - $451.77
Q4 2020	1,245	$420	$445.83	$336.10 - $588.84
Q3 2020	1,232	$579	$319.79	$230.00 - $529.74
Q2 2020	1,232	$312	$179.93	$108.53 - $261.62