BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Arrow Financial Corp's Holding History (CIK: 0000717538)

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

Q2 2019

Shares 10 Value ($000) $2 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 1,000 Value ($000) $236 Avg Close $314.89 Range $216.12 - $344.00

Q3 2018

Shares 1,065 Value ($000) $376 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 65 Value ($000) $19 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 65 Value ($000) $18 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 5,065 Value ($000) $1,614 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 5,065 Value ($000) $1,586 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 5,065 Value ($000) $1,375 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 5,065 Value ($000) $1,385 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 6,090 Value ($000) $1,726 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 6,210 Value ($000) $1,943 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 6,935 Value ($000) $1,677 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 11,137 Value ($000) $2,899 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 13,366 Value ($000) $4,095 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 10,717 Value ($000) $3,128 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 9,145 Value ($000) $3,694 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 8,309 Value ($000) $3,509 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 8,765 Value ($000) $2,975 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 5,340 Value ($000) $1,766 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 4,340 Value ($000) $1,368 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 7,120 Value ($000) $2,178 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 8,000 Value ($000) $2,237 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 7,500 Value ($000) $1,806 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 7,500 Value ($000) $1,614 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	10	$2	$230.90	$219.20 - $245.35
Q1 2019	1,000	$236	$314.89	$216.12 - $344.00
Q3 2018	1,065	$376	$344.30	$288.13 - $388.67
Q2 2018	65	$19	$281.15	$249.17 - $310.91
Q1 2018	65	$18	$310.41	$259.76 - $370.57
Q4 2017	5,065	$1,614	$320.80	$301.81 - $348.84
Q3 2017	5,065	$1,586	$296.11	$269.50 - $330.00
Q2 2017	5,065	$1,375	$264.42	$244.28 - $291.90
Q1 2017	5,065	$1,385	$282.75	$260.50 - $301.42
Q4 2016	6,090	$1,726	$296.43	$268.00 - $329.83
Q3 2016	6,210	$1,943	$296.18	$240.07 - $333.65
Q2 2016	6,935	$1,677	$263.54	$223.02 - $292.69
Q1 2016	11,137	$2,899	$264.15	$242.07 - $301.02
Q4 2015	13,366	$4,095	$287.35	$254.00 - $311.65
Q3 2015	10,717	$3,128	$330.23	$265.00 - $412.24
Q2 2015	9,145	$3,694	$401.33	$368.88 - $432.88
Q1 2015	8,309	$3,509	$394.14	$334.40 - $480.18
Q4 2014	8,765	$2,975	$323.51	$290.85 - $361.93
Q3 2014	5,340	$1,766	$329.72	$298.31 - $349.00
Q2 2014	4,340	$1,368	$300.97	$272.02 - $322.25
Q1 2014	7,120	$2,178	$317.43	$270.62 - $358.89
Q4 2013	8,000	$2,237	$258.65	$221.07 - $298.82
Q3 2013	7,500	$1,806	$223.81	$203.55 - $248.95
Q2 2013	7,500	$1,614	$213.68	$191.80 - $242.64