ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

McCollum Christoferson Group LLC's Holding History (CIK: 0001727573)

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

Q1 2020

Shares 20,080 Value ($000) $3,493 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 19,890 Value ($000) $5,550 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 19,925 Value ($000) $3,633 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 20,023 Value ($000) $5,480 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 20,181 Value ($000) $5,738 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 20,061 Value ($000) $4,201 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 19,845 Value ($000) $7,764 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 20,296 Value ($000) $6,944 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 20,579 Value ($000) $5,168 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 21,847 Value ($000) $4,854 Avg Close $227.14 Range $184.67 - $266.41

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	20,080	$3,493	$239.46	$127.88 - $301.65
Q4 2019	19,890	$5,550	$249.35	$175.52 - $281.57
Q3 2019	19,925	$3,633	$207.89	$169.84 - $290.78
Q2 2019	20,023	$5,480	$301.97	$263.70 - $334.64
Q1 2019	20,181	$5,738	$238.66	$177.93 - $284.61
Q4 2018	20,061	$4,201	$252.66	$188.57 - $397.85
Q3 2018	19,845	$7,764	$368.95	$332.01 - $398.88
Q2 2018	20,296	$6,944	$298.30	$234.40 - $371.55
Q1 2018	20,579	$5,168	$256.81	$219.11 - $287.32
Q4 2017	21,847	$4,854	$227.14	$184.67 - $266.41