Zendesk, Inc. Insider Trading for May 2014

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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of insider trading in Zendesk, Inc. for May 2014.

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 21 2014	ZEN	Zendesk, Inc.	WILSON L MICHELLE	Director	Option Exercise	A	0.00	8,849	0	8,849
May 21 2014	ZEN	Zendesk, Inc.	WILSON L MICHELLE	Director	Option Exercise	C	0.00	162,500	0	0
May 21 2014	ZEN	Zendesk, Inc.	WILSON L MICHELLE	Director	Buy	J	0.00	162,500	0	162,500	0 to 162.5 K
May 21 2014	ZEN	Zendesk, Inc.	WILSON L MICHELLE	Director	Sell	J	0.00	162,500	0	0	162.5 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	WILSON L MICHELLE	Director	Buy	C	0.00	162,500	0	162,500	0 to 162.5 K
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	88	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	48,079	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	8,716	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	4,757,014	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	350	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	190,480	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	39	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Option Exercise	C	0.00	21,694	0	0
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	P	11.59	100,000	1,159,320	5,375,405	5.3 M to 5.4 M (+1.90 %)
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	P	9.00	235,000	2,115,000	5,275,405	5 M to 5.3 M (+4.66 %)
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	J	0.00	9,193	0	9,236	43 to 9.2 K (+21,379.07 %)
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Sell	J	0.00	9,193	0	0	9.2 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	C	0.00	9,193	0	9,193	0 to 9.2 K
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	J	0.00	5,017,267	0	5,040,405	23.1 K to 5 M (+21,684.10 %)
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Sell	J	0.00	5,017,267	0	0	5 M to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	C	0.00	5,017,267	0	5,017,267	0 to 5 M
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	J	0.00	43	0	43	0 to 43
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Sell	J	0.00	43	0	0	43 to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Buy	J	0.00	23,138	0	23,138	0 to 23.1 K
May 21 2014	ZEN	Zendesk, Inc.	Stalder Dana	Director	Sell	J	0.00	23,138	0	0	23.1 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	9.52	250,000	2,380,000	250,000
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	9.52	250,000	2,380,000	0
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	9.52	250,000	2,380,000	250,000
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	9.52	250,000	2,380,000	0
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	6.58	190,000	1,250,200	190,000
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	6.58	190,000	1,250,200	0
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	6.58	190,000	1,250,200	190,000
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	J	6.58	190,000	1,250,200	0
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Option Exercise	C	0.00	10,000	0	0
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Buy	J	0.00	10,000	0	10,000	0 to 10 K
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Sell	J	0.00	10,000	0	0	10 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Raimondi Anne	VP of People Operat ...	Buy	C	0.00	10,000	0	10,000	0 to 10 K
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Option Exercise	A	0.00	8,849	0	8,849
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Option Exercise	J	6.58	72,169	474,872	72,169
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Option Exercise	J	6.58	72,169	474,872	0
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Option Exercise	J	6.58	72,169	474,872	72,169
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Option Exercise	J	6.58	72,169	474,872	0
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Option Exercise	C	0.00	121,580	0	0
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Buy	J	0.00	121,580	0	121,580	0 to 121.6 K
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Sell	J	0.00	121,580	0	0	121.6 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	NELSON ELIZABETH A	Director	Buy	C	0.00	121,580	0	121,580	0 to 121.6 K
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	9.52	250,000	2,380,000	250,000
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	9.52	250,000	2,380,000	0
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	9.52	250,000	2,380,000	250,000
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	9.52	250,000	2,380,000	0
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	6.24	500,000	3,120,000	500,000
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	6.24	500,000	3,120,000	0
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	6.24	500,000	3,120,000	500,000
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	6.24	500,000	3,120,000	0
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	0.11	686,667	75,533	686,667
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	0.11	686,667	75,533	0
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	0.11	686,667	75,533	686,667
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	J	0.11	686,667	75,533	0
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Option Exercise	C	0.00	80,000	0	0
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Buy	J	0.00	80,000	0	80,000	0 to 80 K
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Sell	J	0.00	80,000	0	0	80 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	McDermott Adrian	SVP of Product Deve ...	Buy	C	0.00	80,000	0	80,000	0 to 80 K
May 21 2014	ZEN	Zendesk, Inc.	Marooney Caryn	Director	Option Exercise	A	0.00	8,849	0	8,849
May 21 2014	ZEN	Zendesk, Inc.	Marooney Caryn	Director	Option Exercise	J	9.16	162,500	1,488,500	162,500
May 21 2014	ZEN	Zendesk, Inc.	Marooney Caryn	Director	Option Exercise	J	9.16	162,500	1,488,500	0
May 21 2014	ZEN	Zendesk, Inc.	Marooney Caryn	Director	Option Exercise	J	9.16	162,500	1,488,500	162,500
May 21 2014	ZEN	Zendesk, Inc.	Marooney Caryn	Director	Option Exercise	J	9.16	162,500	1,488,500	0
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	6.24	25,000	156,000	25,000
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	6.24	25,000	156,000	0
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	6.24	25,000	156,000	25,000
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	6.24	25,000	156,000	0
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	2.30	682,500	1,569,750	682,500
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	2.30	682,500	1,569,750	0
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	2.30	682,500	1,569,750	682,500
May 21 2014	ZEN	Zendesk, Inc.	Macaitis William	Chief Marketing Off ...	Option Exercise	J	2.30	682,500	1,569,750	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	147,312	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	4,135	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	976,404	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	27,406	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	3,724,628	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	104,542	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	8,710,822	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	244,496	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	136,975	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Option Exercise	C	0.00	3,844	0	0
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Buy	P	9.00	160,495	1,444,455	13,856,636	13.7 M to 13.9 M (+1.17 %)
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Buy	J	0.00	13,696,141	0	13,696,141	0 to 13.7 M
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Sell	J	0.00	13,696,141	0	0	13.7 M to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Buy	C	0.00	13,696,141	0	13,696,141	0 to 13.7 M
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Buy	P	9.00	4,505	40,545	388,928	384.4 K to 388.9 K (+1.17 %)
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Buy	J	0.00	384,423	0	384,423	0 to 384.4 K
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Sell	J	0.00	384,423	0	0	384.4 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Yellurkar Devdutt	Director	Buy	C	0.00	384,423	0	384,423	0 to 384.4 K
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	147,312	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	4,135	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	976,404	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	27,406	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	3,724,628	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	104,542	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	8,710,822	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	244,496	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	136,975	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Option Exercise	C	0.00	3,844	0	0
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Buy	P	9.00	160,495	1,444,455	13,856,636	13.7 M to 13.9 M (+1.17 %)
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Buy	J	0.00	13,696,141	0	13,696,141	0 to 13.7 M
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Sell	J	0.00	13,696,141	0	0	13.7 M to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Buy	C	0.00	13,696,141	0	13,696,141	0 to 13.7 M
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Buy	P	9.00	4,505	40,545	388,928	384.4 K to 388.9 K (+1.17 %)
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Buy	J	0.00	384,423	0	384,423	0 to 384.4 K
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Sell	J	0.00	384,423	0	0	384.4 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Charles River XIV GP, LLC	10% Owner	Buy	C	0.00	384,423	0	384,423	0 to 384.4 K
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Option Exercise	C	0.00	50,482	0	0
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Option Exercise	C	0.00	773,984	0	0
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Option Exercise	C	0.00	9,857,428	0	0
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Option Exercise	C	0.00	47,073	0	0
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Buy	P	9.00	235,000	2,115,000	10,963,967	10.7 M to 11 M (+2.19 %)
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Buy	J	0.00	10,728,967	0	10,728,967	0 to 10.7 M
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Sell	J	0.00	10,728,967	0	0	10.7 M to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	FENTON PETER H	Director	Buy	C	0.00	10,728,967	0	10,728,967	0 to 10.7 M
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Option Exercise	C	0.00	50,482	0	0
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Option Exercise	C	0.00	773,984	0	0
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Option Exercise	C	0.00	9,857,428	0	0
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Option Exercise	C	0.00	47,073	0	0
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Buy	P	9.00	235,000	2,115,000	10,963,967	10.7 M to 11 M (+2.19 %)
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Buy	J	0.00	10,728,967	0	10,728,967	0 to 10.7 M
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Sell	J	0.00	10,728,967	0	0	10.7 M to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	SPURLOCK STEVEN M	10% Owner	Buy	C	0.00	10,728,967	0	10,728,967	0 to 10.7 M
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Option Exercise	C	0.00	50,482	0	0
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Option Exercise	C	0.00	773,984	0	0
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Option Exercise	C	0.00	9,857,428	0	0
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Option Exercise	C	0.00	47,073	0	0
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Buy	P	9.00	235,000	2,115,000	10,963,967	10.7 M to 11 M (+2.19 %)
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Buy	J	0.00	10,728,967	0	10,728,967	0 to 10.7 M
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Sell	J	0.00	10,728,967	0	0	10.7 M to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Benchmark Capital Management C ...	10% Owner	Buy	C	0.00	10,728,967	0	10,728,967	0 to 10.7 M
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	9.52	125,000	1,190,000	125,000
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	9.52	125,000	1,190,000	0
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	9.52	125,000	1,190,000	125,000
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	9.52	125,000	1,190,000	0
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	6.24	100,000	624,000	100,000
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	6.24	100,000	624,000	0
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	6.24	100,000	624,000	100,000
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	6.24	100,000	624,000	0
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	2.30	312,500	718,750	312,500
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	2.30	312,500	718,750	0
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	2.30	312,500	718,750	312,500
May 21 2014	ZEN	Zendesk, Inc.	Geschke John	SVP, GC and Secreta ...	Option Exercise	J	2.30	312,500	718,750	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	9.52	125,000	1,190,000	125,000
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	9.52	125,000	1,190,000	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	9.52	125,000	1,190,000	125,000
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	9.52	125,000	1,190,000	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	6.24	87,500	546,000	87,500
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	6.24	87,500	546,000	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	6.24	87,500	546,000	87,500
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	J	6.24	87,500	546,000	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	C	0.00	100,000	0	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	C	0.00	100,000	0	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	C	0.00	87,500	0	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	C	0.00	550,000	0	0
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	J	0.00	100,000	0	100,000	0 to 100 K
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	J	0.00	100,000	0	0	100 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	C	0.00	100,000	0	100,000	0 to 100 K
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	J	0.00	100,000	0	100,000	0 to 100 K
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	J	0.00	100,000	0	0	100 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	C	0.00	100,000	0	100,000	0 to 100 K
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	J	0.00	637,500	0	637,500	0 to 637.5 K
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	J	0.00	637,500	0	0	637.5 K to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	C	0.00	637,500	0	637,500	0 to 637.5 K
May 21 2014	ZEN	Zendesk, Inc.	BRAGG MARCUS A	SVP of Worldwide Sa ...	Option Exercise	J	6.58	705,000	4,638,900	705,000
May 21 2014	ZEN	Zendesk, Inc.	BRAGG MARCUS A	SVP of Worldwide Sa ...	Option Exercise	J	6.58	705,000	4,638,900	0
May 21 2014	ZEN	Zendesk, Inc.	BRAGG MARCUS A	SVP of Worldwide Sa ...	Option Exercise	J	6.58	705,000	4,638,900	705,000
May 21 2014	ZEN	Zendesk, Inc.	BRAGG MARCUS A	SVP of Worldwide Sa ...	Option Exercise	J	6.58	705,000	4,638,900	0
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Option Exercise	J	9.52	2,150,000	20,468,000	2,150,000
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Option Exercise	J	9.52	2,150,000	20,468,000	0
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Option Exercise	J	9.52	2,150,000	20,468,000	2,150,000
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Option Exercise	J	9.52	2,150,000	20,468,000	0
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Option Exercise	C	0.00	2,522,814	0	0
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Buy	J	0.00	2,522,814	0	4,059,266	1.5 M to 4.1 M (+164.20 %)
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Sell	J	0.00	2,522,814	0	0	2.5 M to 0 (-100.00 %)
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Buy	C	0.00	2,522,814	0	2,522,814	0 to 2.5 M
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Buy	J	0.00	1,536,452	0	1,536,452	0 to 1.5 M
May 21 2014	ZEN	Zendesk, Inc.	Svane Mikkel	Chairman and CEO	Sell	J	0.00	1,536,452	0	0	1.5 M to 0 (-100.00 %)