Howard Janzen

(Mr. Howard Janzen)

Currently holds positions in GTT Communications Inc, Ribbon Communications Operating Company Inc and Vocera Communications Inc

Positions

Position Company Period
Independent Director GTT Communications Inc Oct. 1, 2006 -
Independent Director Ribbon Communications Operating Company Inc June 1, 2016 -
Lead Independent Director Vocera Communications Inc Jan. 1, 2017 -
Independent Director Vocera Communications Inc May 1, 2007 - Jan. 1, 2017
Non-Executive Independent Chairman of the Board Ribbon Communications Operating Company Inc Dec. 23, 2008 - June 1, 2016
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2022-01-19 2022-01-18
PS Planned sale
8,000 -15.1%
78.98
USD 631,828 		8,000 -15.1% 78.98 USD 631,828
2021-01-14 2021-01-12
PS Planned sale
1,268 -2.5%
44.41
USD 56,310 		1,268 -2.5% 44.41 USD 56,310
2021-01-14 2021-01-12
PS Planned sale
5,732 -10.3%
43.40
USD 248,791 		5,732 -10.3% 43.40 USD 248,791
2019-06-11 2019-06-07
PS Planned sale
100 -0.2%
32.80
USD 3,280 		100 -0.2% 32.80 USD 3,280
2019-06-11 2019-06-07
PS Planned sale
800 -1.5%
32.23
USD 25,787 		800 -1.5% 32.23 USD 25,787
2019-06-11 2019-06-07
PS Planned sale
600 -1.1%
30.73
USD 18,439 		600 -1.1% 30.73 USD 18,439
2019-03-08 2019-03-07
PS Planned sale
1,500 -3.0%
32.53
USD 48,791 		1,500 -3.0% 32.53 USD 48,791
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