ALAN J BLACK Insider Trading $ZEN Zendesk, Inc.

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of ALAN J BLACK. ALAN J BLACK is VP, CFO and Treasurer in UNWIRED PLANET, INC. ($UPIP) and SVP and CFO in Zendesk, Inc. ($ZEN).

ALAN J BLACK in Zendesk, Inc.

Trading Symbol: ZEN
Industry: SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
Position of ALAN J BLACK: SVP and CFO
Holdings: 91,558 shares
Current Value: $2,255,074
Latest Transaction: May 06 2016
$ZEN Market Capitalization: $2.35B
$ZEN Previous Close: $24.63

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD

Latest Insider Trading Transactions of ALAN J BLACK in Zendesk, Inc.

	1 Week	2 Weeks	1 Month	3 Months	6 Months	1 Year	2 Years
No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

Sentiment: All, GEC, ZEN

Page: 1

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 06 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	9.52	4,166	39,660	70,834
May 06 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	7,292	45,502	43,750
May 06 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	25.00	11,458	286,450	91,558	103 K to 91.6 K (-11.12 %)
May 06 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	9.52	4,166	39,660	103,016	98.9 K to 103 K (+4.21 %)
May 06 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	7,292	45,502	98,850	91.6 K to 98.9 K (+7.96 %)
Mar 17 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	13,126
Mar 17 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	20.06	141	2,828	103,824	104 K to 103.8 K (-0.14 %)
Mar 17 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	103,965	103.6 K to 104 K (+0.36 %)
Mar 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	9.52	7,000	66,640	75,000
Mar 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	8,458	52,778	51,042
Mar 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	20.01	19,381	387,907	103,590	123 K to 103.6 K (-15.76 %)
Mar 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	9.52	7,000	66,640	122,971	116 K to 123 K (+6.04 %)
Mar 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	8,458	52,778	115,971	107.5 K to 116 K (+7.87 %)
Mar 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	275,300	262.8 K to 275.3 K (+4.76 %)
Mar 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	107,513	120 K to 107.5 K (-10.42 %)
Feb 22 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	16.96	458	7,768	120,013	120.5 K to 120 K (-0.38 %)
Feb 22 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Grant	A	0.00	1,246	0	120,471	119.2 K to 120.5 K (+1.05 %)
Feb 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	13,501
Feb 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	15.83	138	2,185	119,225	119.4 K to 119.2 K (-0.12 %)
Feb 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	119,363	119 K to 119.4 K (+0.32 %)
Feb 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	262,800	250.3 K to 262.8 K (+4.99 %)
Feb 16 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	118,988	131.5 K to 119 K (-9.51 %)
Apr 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	12,751
Apr 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	21.26	141	2,998	91,558	91.7 K to 91.6 K (-0.15 %)
Apr 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	91,699	91.3 K to 91.7 K (+0.41 %)
Apr 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	287,800	275.3 K to 287.8 K (+4.54 %)
Apr 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	91,324	103.8 K to 91.3 K (-12.04 %)
Jan 22 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	9.52	3,600	34,272	80,400
Jan 22 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	2,000	12,480	61,100
Jan 22 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.00	5,600	134,400	131,488	137.1 K to 131.5 K (-4.08 %)
Jan 22 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	9.52	3,600	34,272	137,088	133.5 K to 137.1 K (+2.70 %)
Jan 22 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	2,000	12,480	133,488	131.5 K to 133.5 K (+1.52 %)
Jan 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	13,876
Jan 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	23.94	165	3,950	131,488	131.7 K to 131.5 K (-0.13 %)
Jan 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	131,653	131.3 K to 131.7 K (+0.29 %)
Jan 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	250,300	237.8 K to 250.3 K (+5.26 %)
Jan 19 2016	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	131,278	143.8 K to 131.3 K (-8.69 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	14,251
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	9.52	2,000	19,040	84,000
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	3,600	22,464	63,100
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	26.13	196	5,121	143,778	144 K to 143.8 K (-0.14 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	143,974	143.6 K to 144 K (+0.26 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	25.82	5,600	144,599	143,599	149.2 K to 143.6 K (-3.75 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	9.52	2,000	19,040	149,199	147.2 K to 149.2 K (+1.36 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	3,600	22,464	147,199	143.6 K to 147.2 K (+2.51 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	25.82	15,000	387,342	237,800	252.8 K to 237.8 K (-5.93 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	252,800	240.3 K to 252.8 K (+5.20 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	143,599	156.1 K to 143.6 K (-8.01 %)
Dec 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	1,000	0	156,099	157.1 K to 156.1 K (-0.64 %)
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	9.52	2,000	19,040	86,000
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	2,150	13,416	66,700
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	1,450	9,048	68,850
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.00	9,473	227,352	240,300	249.8 K to 240.3 K (-3.79 %)
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.00	4,150	99,600	157,099	161.2 K to 157.1 K (-2.57 %)
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	9.52	2,000	19,040	161,249	159.2 K to 161.2 K (+1.26 %)
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	2,150	13,416	159,249	157.1 K to 159.2 K (+1.37 %)
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.00	5,527	132,648	249,773	255.3 K to 249.8 K (-2.16 %)
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.00	1,450	34,800	157,099	158.5 K to 157.1 K (-0.91 %)
Nov 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	1,450	9,048	158,549	157.1 K to 158.5 K (+0.92 %)
Nov 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	14,626
Nov 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	22.64	141	3,192	157,099	157.2 K to 157.1 K (-0.09 %)
Nov 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	157,240	156.9 K to 157.2 K (+0.24 %)
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	9.52	28,490	271,225	88,000
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	7,200	44,928	70,300
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.00	35,690	856,560	156,666	192.4 K to 156.7 K (-18.55 %)
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	9.52	28,490	271,225	192,356	163.9 K to 192.4 K (+17.39 %)
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	7,200	44,928	163,866	156.7 K to 163.9 K (+4.60 %)
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.00	26,490	635,760	255,300	281.8 K to 255.3 K (-9.40 %)
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	281,790	269.3 K to 281.8 K (+4.64 %)
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	156,666	169.2 K to 156.7 K (-7.39 %)
Nov 13 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	2,200	0	169,166	171.4 K to 169.2 K (-1.28 %)
Nov 05 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	9.52	8,510	81,015	116,490
Nov 05 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	6.24	10,000	62,400	77,500
Nov 05 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.01	18,510	444,333	269,290	287.8 K to 269.3 K (-6.43 %)
Nov 05 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.01	18,510	444,333	152,856	171.4 K to 152.9 K (-10.80 %)
Nov 05 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	9.52	8,510	81,015	171,366	162.9 K to 171.4 K (+5.23 %)
Nov 05 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	6.24	10,000	62,400	162,856	152.9 K to 162.9 K (+6.54 %)
Oct 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	15,001
Oct 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	19.53	141	2,754	171,366	171.5 K to 171.4 K (-0.08 %)
Oct 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	171,507	171.1 K to 171.5 K (+0.22 %)
Oct 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	287,800	275.3 K to 287.8 K (+4.54 %)
Oct 19 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	171,132	183.6 K to 171.1 K (-6.81 %)
Sep 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	15,376
Sep 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	21.61	141	3,047	183,632	183.8 K to 183.6 K (-0.08 %)
Sep 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	183,773	183.4 K to 183.8 K (+0.20 %)
Sep 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	275,300	262.8 K to 275.3 K (+4.76 %)
Sep 16 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	183,398	195.9 K to 183.4 K (-6.38 %)
Aug 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	15,751
Aug 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	20.68	141	2,916	195,898	196 K to 195.9 K (-0.07 %)
Aug 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	196,039	195.7 K to 196 K (+0.19 %)
Aug 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	262,800	250.3 K to 262.8 K (+4.99 %)
Aug 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	195,664	208.2 K to 195.7 K (-6.00 %)
Aug 10 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	23.24	1,009	23,449	208,164	209.2 K to 208.2 K (-0.48 %)
Aug 10 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Grant	A	0.00	2,684	0	209,173	206.5 K to 209.2 K (+1.30 %)
Jul 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	16,126
Jul 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	21.46	141	3,026	206,489	206.6 K to 206.5 K (-0.07 %)
Jul 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	206,630	206.3 K to 206.6 K (+0.18 %)
Jul 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	250,300	237.8 K to 250.3 K (+5.26 %)
Jul 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	206,255	218.8 K to 206.3 K (-5.71 %)
Jul 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	237,800	225.3 K to 237.8 K (+5.55 %)
Jul 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	218,518	231 K to 218.5 K (-5.41 %)
Jun 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	16,501
Jun 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	22.89	138	3,159	231,255	231.4 K to 231.3 K (-0.06 %)
Jun 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	231,393	231 K to 231.4 K (+0.16 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	249,300	236.8 K to 249.3 K (+5.28 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	231,018	243.5 K to 231 K (-5.13 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	3,646	0	236,800	233.2 K to 236.8 K (+1.56 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	3,646	0	243,518	247.2 K to 243.5 K (-1.48 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	233,154	220.7 K to 233.2 K (+5.66 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	247,164	259.7 K to 247.2 K (-4.81 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	3,646	0	220,654	217 K to 220.7 K (+1.68 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	3,646	0	259,664	263.3 K to 259.7 K (-1.38 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	217,008	204.5 K to 217 K (+6.11 %)
Jun 03 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	12,500	0	263,310	275.8 K to 263.3 K (-4.53 %)
Jun 01 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	23.03	2,000	46,058	88,000	90 K to 88 K (-2.22 %)
Jun 01 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	23.02	2,000	46,030	88,000	90 K to 88 K (-2.22 %)
Jun 01 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	23.05	6,000	138,287	285,871	291.9 K to 285.9 K (-2.06 %)
May 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	16,876
May 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	22.59	138	3,117	275,810	275.9 K to 275.8 K (-0.05 %)
May 18 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	275,948	275.6 K to 275.9 K (+0.14 %)
Apr 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	375	0	17,251
Apr 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	22.48	161	3,619	272,994	273.2 K to 273 K (-0.06 %)
Apr 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	375	0	273,155	272.8 K to 273.2 K (+0.14 %)
Mar 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Option Exercise	M	0.00	374	0	17,626
Mar 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Payment of Exercise	F	22.54	163	3,674	272,780	272.9 K to 272.8 K (-0.06 %)
Mar 17 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Buy	M	0.00	374	0	272,943	272.6 K to 272.9 K (+0.14 %)
Mar 04 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.27	1,000	24,270	50,000	51 K to 50 K (-1.96 %)
Mar 04 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.28	1,000	24,279	50,000	51 K to 50 K (-1.96 %)
Mar 04 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.29	3,000	72,860	210,508	213.5 K to 210.5 K (-1.41 %)
Feb 25 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	3,646	0	213,508	209.9 K to 213.5 K (+1.74 %)
Feb 25 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Gift	G	0.00	3,646	0	272,569	276.2 K to 272.6 K (-1.32 %)
Feb 25 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.08	3,000	72,254	209,862	212.9 K to 209.9 K (-1.41 %)
Feb 25 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.13	1,000	24,135	51,000	52 K to 51 K (-1.92 %)
Feb 25 2015	ZEN	Zendesk, Inc.	BLACK ALAN J	SVP and CFO	Sell	S	24.14	1,000	24,136	51,000	52 K to 51 K (-1.92 %)

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