Parallax Volatility Advisers, L.P. Zendesk, Inc. Transaction History

Parallax Volatility Advisers, L.P.

$53.5 Billion
Q3 2024

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2022 Aug 15, 2022	SELL	$54.53 - $129.12 $617,388 - $1.46 Million	-11,322 Reduced 45.86%	13,364 $990,000
Q1 2022 May 16, 2022	BUY	$90.52 - $124.19 $2.23 Million - $3.07 Million	24,686 New	24,686 $2.97 Million
Q1 2021 May 14, 2021	SELL	$125.49 - $158.0 $1.71 Million - $2.15 Million	-13,602 Closed	0 $0
Q1 2021 May 14, 2021	SELL	$125.49 - $158.0 $1.19 Million - $1.5 Million	-9,488 Reduced 41.09%	13,602 $1.8 Million
Q4 2020 Feb 16, 2021	BUY	$103.44 - $143.49 $2.39 Million - $3.31 Million	23,090 New	23,090 $3.31 Million
Q4 2020 Feb 16, 2021	SELL	$103.44 - $143.49 $6.24 Million - $8.65 Million	-60,297 Closed	0 $0
Q3 2020 Nov 13, 2020	BUY	$85.26 - $106.79 $1.41 Million - $1.76 Million	16,504 Added 37.69%	60,297 $6.21 Million
Q2 2020 Aug 14, 2020	SELL	$57.84 - $88.75 $854,181 - $1.31 Million	-14,768 Reduced 25.22%	43,793 $3.88 Million
Q1 2020 May 15, 2020	SELL	$54.74 - $90.48 $872,281 - $1.44 Million	-15,935 Reduced 21.39%	58,561 $3.75 Million
Q4 2019 Feb 14, 2020	BUY	$63.73 - $79.23 $2.91 Million - $3.62 Million	45,645 Added 158.21%	74,496 $5.71 Million
Q3 2019 Nov 14, 2019	BUY	$72.08 - $93.74 $2.08 Million - $2.7 Million	28,849 Added 1442450.0%	28,851 $2.1 Million
Q2 2019 Aug 14, 2019	SELL	$78.42 - $92.66 $66,108 - $78,112	-843 Reduced 99.76%	2 $0
Q1 2019 May 15, 2019	SELL	$55.54 - $85.64 $126,242 - $194,659	-2,273 Reduced 72.9%	845 $72,000
Q4 2018 Feb 14, 2019	SELL	$48.37 - $69.2 $582,568 - $833,444	-12,044 Reduced 79.44%	3,118 $182,000
Q4 2017 Feb 14, 2018	BUY	$29.3 - $35.65 $444,246 - $540,525	15,162	15,162 $513,000

Others Institutions Holding ZEN

# of Institutions

Shares Held

122K

Call Options Held

Put Options Held

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About Zendesk, Inc.

Ticker ZEN
Exchange NYSE
Sector Technology
Industry Software—Application
Shares Outstandng 124,238,000
Description
Zendesk, Inc., a software development company, provides software as a service solutions for organizations in the United States, Europe, the Middle East, Africa, the Asia Pacific, and internationally. Its flagship product is Zendesk Support, a system for tracking, prioritizing, and solving customer support tickets across various channels. The com...

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