Insider · CIK 0001605957

Adrian McDermott

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $26.0M · 89net −$26.0M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jun 10, 2026 AForm 4 →	Jun 12, 4:21 pm EDT	Weave Communications, Inc.WEAV	32,502	—	—	76,249	—
Feb 20, 2019 SForm 4 →	Feb 22, 5:30 pm EST	Zendesk, Inc.ZEN	2,304	$78.06	$179,850	80,596	−2.78%	plan?
Feb 15, 2019 FMForm 4 →	Feb 19, 7:27 pm EST	Zendesk, Inc.ZEN	5,425	$78.97	$110,242	82,900	—	plan?
Feb 5, 2019 AForm 4 →	Feb 7, 6:27 pm EST	FireEye, Inc.FEYE	21,645	—	—	21,645	—	plan?
Jan 17, 2019 SForm 4 →	Jan 18, 7:59 pm EST	Zendesk, Inc.ZEN	2,241	$63.11	$141,430	80,267	−2.72%	plan?
Jan 15, 2019 FMForm 4 →	Jan 17, 5:34 pm EST	Zendesk, Inc.ZEN	4,953	$61.55	$83,462	82,508	—	plan?
Dec 19, 2018 SForm 4 →	Dec 20, 5:01 pm EST	Zendesk, Inc.ZEN	1,809	$55.41	$100,237	80,267	−2.20%	plan?
Dec 15, 2018 FMForm 4 →	Dec 18, 7:27 pm EST	Zendesk, Inc.ZEN	5,385	$59.86	$107,030	82,076	—	plan?
Nov 19, 2018 SForm 4 →	Nov 21, 4:52 pm EST	Zendesk, Inc.ZEN	1,810	$54.54	$98,717	80,267	−2.21%	plan?
Nov 15, 2018 FMForm 4 →	Nov 16, 8:23 pm EST	Zendesk, Inc.ZEN	5,384	$53.10	$94,890	82,077	—	plan?
Oct 17, 2018 SForm 4 →	Oct 19, 4:12 pm EDT	Zendesk, Inc.ZEN	1,809	$63.70	$115,233	80,267	−2.20%	plan?
Oct 15, 2018 FMForm 4 →	Oct 17, 6:25 pm EDT	Zendesk, Inc.ZEN	5,383	$61.61	$110,097	82,076	—	plan?
Sep 19, 2018 SForm 4 →	Sep 20, 4:55 pm EDT	Zendesk, Inc.ZEN	1,809	$68.46	$123,844	80,267	−2.20%	plan?
Sep 15, 2018 FMForm 4 →	Sep 17, 8:41 pm EDT	Zendesk, Inc.ZEN	5,385	$71.94	$128,629	82,076	—	plan?
Aug 17, 2018 SForm 4 →	Aug 21, 8:19 pm EDT	Zendesk, Inc.ZEN	1,811	$62.10	$112,463	80,267	−2.21%	plan?
Aug 15, 2018 FMForm 4 →	Aug 17, 5:09 pm EDT	Zendesk, Inc.ZEN	5,385	$63.78	$113,975	82,078	—	plan?
Jul 18, 2018 SForm 4 →	Jul 19, 4:51 pm EDT	Zendesk, Inc.ZEN	1,809	$60.33	$109,137	80,267	−2.20%	plan?
Jul 15, 2018 FMForm 4 →	Jul 17, 5:36 pm EDT	Zendesk, Inc.ZEN	5,383	$59.68	$106,648	82,076	—	plan?
Jun 19, 2018 SForm 4 →	Jun 21, 5:19 pm EDT	Zendesk, Inc.ZEN	1,810	$58.13	$105,215	80,267	−2.21%	plan?
Jun 15, 2018 FMForm 4 →	Jun 19, 4:28 pm EDT	Zendesk, Inc.ZEN	5,386	$59.43	$106,261	82,077	—	plan?
May 17, 2018 SForm 4 →	May 21, 6:07 pm EDT	Zendesk, Inc.ZEN	2,695	$55.07	$148,414	80,267	−3.25%	plan?
May 16, 2018 SForm 4 →	May 17, 4:17 pm EDT	Zendesk, Inc.ZEN	915	$55.00	$50,325	82,962	−1.09%	plan?
May 15, 2018 FMForm 4 →	May 17, 4:17 pm EDT	Zendesk, Inc.ZEN	5,384	$55.00	$98,285	83,877	—	plan?
May 8, 2018 SForm 4 →	May 9, 8:23 pm EDT	Zendesk, Inc.ZEN	1,081	$53.79	$58,147	81,152	−1.31%	plan?
Apr 19, 2018 SForm 4 →	Apr 19, 9:21 pm EDT	Zendesk, Inc.ZEN	1,425	$50.16	$71,478	82,233	−1.70%	plan?
Apr 15, 2018 FMForm 4 →	Apr 17, 7:25 pm EDT	Zendesk, Inc.ZEN	5,383	$48.85	$87,295	83,658	—	plan?
Mar 20, 2018 SForm 4 →	Mar 21, 5:41 pm EDT	Zendesk, Inc.ZEN	1,425	$46.04	$65,607	81,849	−1.71%	plan?
Mar 15, 2018 FMForm 4 →	Mar 16, 7:54 pm EDT	Zendesk, Inc.ZEN	5,385	$48.73	$87,129	83,274	—	plan?
Feb 28, 2018 SForm 4 →	Mar 1, 6:52 pm EST	Zendesk, Inc.ZEN	40,000	$43.54	$1,741,544	81,465	−32.9%	plan?
Feb 28, 2018 MForm 4 →	Mar 1, 6:52 pm EST	Zendesk, Inc.ZEN	40,000	$6.24	$249,600	121,465	—	plan?
Feb 21, 2018 SForm 4 →	Feb 21, 5:40 pm EST	Zendesk, Inc.ZEN	1,425	$43.00	$61,275	81,465	−1.72%	plan?
Feb 14, 2018 SForm 4 →	Feb 15, 8:42 pm EST	Zendesk, Inc.ZEN	40,000	$41.72	$1,668,820	81,081	−33.0%	plan?
Feb 14, 2018 FMForm 4 →	Feb 15, 8:42 pm EST	Zendesk, Inc.ZEN	45,381	$7.79	$325,684	82,890	—	plan?
Feb 8, 2018 SForm 4 →	Feb 12, 9:57 pm EST	Zendesk, Inc.ZEN	50,000	$39.08	$1,953,998	81,081	−38.1%	plan?
Feb 8, 2018 MForm 4 →	Feb 12, 9:57 pm EST	Zendesk, Inc.ZEN	50,000	$6.24	$312,000	130,781	—	plan?
Jan 19, 2018 SForm 4 →	Jan 22, 6:14 pm EST	Zendesk, Inc.ZEN	1,593	$36.27	$57,778	81,081	−1.93%	plan?
Jan 15, 2018 FMForm 4 →	Jan 17, 8:25 pm EST	Zendesk, Inc.ZEN	4,400	$37.51	$50,151	82,674	—	plan?
Dec 20, 2017 SForm 4 →	Dec 21, 8:05 pm EST	Zendesk, Inc.ZEN	1,353	$34.19	$46,259	80,948	−1.64%	plan?
Dec 15, 2017 FMForm 4 →	Dec 15, 5:30 pm EST	Zendesk, Inc.ZEN	4,664	$34.92	$55,872	82,301	—	plan?
Nov 20, 2017 SForm 4 →	Nov 20, 8:59 pm EST	Zendesk, Inc.ZEN	1,679	$34.39	$57,741	80,837	−2.03%	plan?
Nov 15, 2017 FMForm 4 →	Nov 16, 8:09 pm EST	Zendesk, Inc.ZEN	4,336	$34.92	$44,453	82,516	—	plan?
Oct 19, 2017 SForm 4 →	Oct 20, 6:51 pm EDT	Zendesk, Inc.ZEN	1,767	$30.10	$53,187	80,726	−2.14%	plan?
Oct 15, 2017 FMForm 4 →	Oct 16, 8:30 pm EDT	Zendesk, Inc.ZEN	4,216	$29.91	$34,456	82,493	—	plan?
Sep 20, 2017 SForm 4 →	Sep 22, 4:18 pm EDT	Zendesk, Inc.ZEN	1,766	$28.87	$50,984	80,581	−2.14%	plan?
Sep 15, 2017 FMForm 4 →	Sep 18, 8:39 pm EDT	Zendesk, Inc.ZEN	4,216	$29.05	$33,466	82,347	—	plan?
Aug 18, 2017 SForm 4 →	Aug 18, 6:19 pm EDT	Zendesk, Inc.ZEN	1,766	$26.42	$46,658	80,435	−2.15%	plan?
Aug 15, 2017 FMForm 4 →	Aug 15, 9:51 pm EDT	Zendesk, Inc.ZEN	4,215	$27.07	$31,185	82,201	—	plan?
Jul 20, 2017 SForm 4 →	Jul 21, 4:47 pm EDT	Zendesk, Inc.ZEN	1,766	$29.11	$51,408	80,290	−2.15%	plan?
Jul 15, 2017 FMForm 4 →	Jul 18, 7:30 pm EDT	Zendesk, Inc.ZEN	4,215	$28.46	$32,786	82,056	—	plan?
Jun 20, 2017 SForm 4 →	Jun 21, 8:49 pm EDT	Zendesk, Inc.ZEN	1,766	$27.61	$48,759	80,145	−2.16%	plan?
Jun 15, 2017 FMForm 4 →	Jun 16, 7:42 pm EDT	Zendesk, Inc.ZEN	4,215	$26.76	$30,828	81,911	—	plan?
May 18, 2017 SForm 4 →	May 19, 7:54 pm EDT	Zendesk, Inc.ZEN	2,870	$24.98	$71,693	80,000	−3.46%	plan?
May 15, 2017 FMForm 4 →	May 16, 8:09 pm EDT	Zendesk, Inc.ZEN	3,894	$27.30	$29,047	82,870	—	plan?
Apr 20, 2017 SForm 4 →	Apr 21, 8:46 pm EDT	Zendesk, Inc.ZEN	1,766	$28.20	$49,801	80,000	−2.16%	plan?
Apr 15, 2017 FMForm 4 →	Apr 18, 9:29 pm EDT	Zendesk, Inc.ZEN	3,894	$28.18	$29,984	81,766	—	plan?
Mar 20, 2017 SForm 4 →	Mar 22, 5:44 pm EDT	Zendesk, Inc.ZEN	1,766	$27.58	$48,706	80,000	−2.16%	plan?
Mar 15, 2017 FMForm 4 →	Mar 17, 5:34 pm EDT	Zendesk, Inc.ZEN	3,894	$27.57	$29,334	81,766	—	plan?
Mar 15, 2017 FMForm 4 →	Mar 17, 5:33 pm EDT	Zendesk, Inc.ZEN	3,894	$27.57	$29,334	81,766	—	plan?
Mar 15, 2017 FMForm 4 →	Mar 17, 5:20 pm EDT	Zendesk, Inc.ZEN	3,894	$27.57	$29,334	81,766	—	plan?
Feb 21, 2017 SForm 4 →	Feb 23, 4:48 pm EST	Zendesk, Inc.ZEN	1,746	$27.55	$48,102	80,000	−2.14%	plan?
Feb 15, 2017 FMForm 4 →	Feb 17, 4:33 pm EST	Zendesk, Inc.ZEN	3,916	$26.98	$29,273	81,746	—	plan?
Jan 20, 2017 SForm 4 →	Jan 23, 6:24 pm EST	Zendesk, Inc.ZEN	1,590	$23.75	$37,763	80,000	−1.95%	plan?
Jan 15, 2017 FMForm 4 →	Jan 18, 7:38 pm EST	Zendesk, Inc.ZEN	4,070	$24.76	$30,702	81,590	—	plan?
Dec 20, 2016 SForm 4 →	Dec 21, 4:13 pm EST	Zendesk, Inc.ZEN	1,353	$21.81	$29,509	80,000	−1.66%	plan?
Dec 15, 2016 FMForm 4 →	Dec 16, 7:32 pm EST	Zendesk, Inc.ZEN	4,307	$22.70	$33,528	81,353	—	plan?
Nov 18, 2016 SForm 4 →	Nov 22, 8:45 pm EST	Zendesk, Inc.ZEN	10,527	$22.46	$236,451	80,000	−11.6%	plan?
Nov 15, 2016 FMForm 4 →	Nov 17, 4:03 pm EST	Zendesk, Inc.ZEN	4,307	$23.46	$34,650	90,527	—	plan?
Oct 15, 2016 FMForm 4 →	Oct 18, 8:04 pm EDT	Zendesk, Inc.ZEN	4,307	$27.59	$40,750	89,174	—	plan?
Sep 15, 2016 FMForm 4 →	Sep 16, 8:22 pm EDT	Zendesk, Inc.ZEN	4,307	$29.61	$43,734	87,821	—	plan?
Aug 15, 2016 FMForm 4 →	Aug 15, 7:48 pm EDT	Zendesk, Inc.ZEN	4,307	$30.47	$45,004	86,468	—	plan?
Aug 4, 2016 AFForm 4 →	Aug 8, 7:00 pm EDT	Zendesk, Inc.ZEN	866	$28.40	$8,435	85,115	—	plan?
Jul 25, 2016 SForm 4 →	Jul 27, 4:22 pm EDT	Zendesk, Inc.ZEN	5,552	$28.08	$155,879	84,843	−6.14%	plan?
Jul 25, 2016 MForm 4 →	Jul 27, 4:22 pm EDT	Zendesk, Inc.ZEN	5,552	$6.24	$34,644	90,395	—	plan?
Jul 20, 2016 SForm 4 →	Jul 22, 4:20 pm EDT	Zendesk, Inc.ZEN	1,245	$28.24	$35,159	84,843	−1.45%	plan?
Jul 15, 2016 FMForm 4 →	Jul 18, 5:31 pm EDT	Zendesk, Inc.ZEN	4,307	$28.79	$42,523	86,088	—	plan?
Jul 12, 2016 SForm 4 →	Jul 14, 6:51 pm EDT	Zendesk, Inc.ZEN	71,945	$29.31	$2,108,631	84,735	−45.9%	plan?
Jul 12, 2016 MForm 4 →	Jul 14, 6:51 pm EDT	Zendesk, Inc.ZEN	71,945	$7.25	$521,385	88,210	—	plan?
Jul 8, 2016 SForm 4 →	Jul 12, 8:02 pm EDT	Zendesk, Inc.ZEN	68,470	$28.07	$1,921,665	84,735	−44.7%	plan?
Jul 8, 2016 MForm 4 →	Jul 12, 8:02 pm EDT	Zendesk, Inc.ZEN	68,470	$7.13	$488,303	153,205	—	plan?
Jun 23, 2016 SForm 4/A →	Jun 27, 9:44 pm EDT	Zendesk, Inc.ZEN	4,164	$27.61	$114,954	84,735	−4.68%	plan?
Jun 23, 2016 MForm 4/A →	Jun 27, 9:44 pm EDT	Zendesk, Inc.ZEN	4,164	$6.24	$25,983	88,899	—	plan?
Jun 23, 2016 SForm 4 →	Jun 24, 9:47 pm EDT	Zendesk, Inc.ZEN	4,164	$27.61	$114,954	84,735	−4.68%	plan? amended
Jun 23, 2016 MForm 4 →	Jun 24, 9:47 pm EDT	Zendesk, Inc.ZEN	4,164	$6.24	$25,983	88,899	—	plan? amended
Jun 20, 2016 SForm 4 →	Jun 21, 5:04 pm EDT	Zendesk, Inc.ZEN	1,245	$27.32	$34,013	84,735	−1.45%	plan?
Jun 15, 2016 FMForm 4 →	Jun 16, 7:01 pm EDT	Zendesk, Inc.ZEN	4,309	$27.19	$40,187	85,980	—	plan?
Jun 13, 2016 SForm 4 →	Jun 14, 5:57 pm EDT	Zendesk, Inc.ZEN	2,085	$26.98	$56,252	84,627	−2.40%	plan?
Jun 13, 2016 MForm 4 →	Jun 14, 5:57 pm EDT	Zendesk, Inc.ZEN	2,085	$9.52	$19,849	86,712	—	plan?
Jun 7, 2016 SForm 4 →	Jun 9, 5:55 pm EDT	Zendesk, Inc.ZEN	66,387	$27.06	$1,796,605	84,627	−44.0%	plan?
Jun 7, 2016 MForm 4 →	Jun 9, 5:55 pm EDT	Zendesk, Inc.ZEN	66,387	$7.13	$473,026	151,014	—	plan?
Jun 3, 2016 SForm 4 →	Jun 7, 4:33 pm EDT	Zendesk, Inc.ZEN	65,227	$26.06	$1,699,561	84,627	−43.5%	plan?
Jun 3, 2016 MForm 4 →	Jun 7, 4:33 pm EDT	Zendesk, Inc.ZEN	65,227	$7.13	$465,132	149,854	—	plan?
Jun 2, 2016 SForm 4 →	Jun 3, 6:24 pm EDT	Zendesk, Inc.ZEN	1,160	$26.05	$30,218	84,627	−1.35%	plan?
Jun 2, 2016 MForm 4 →	Jun 3, 6:24 pm EDT	Zendesk, Inc.ZEN	1,160	$6.81	$7,894	85,787	—	plan?
Jun 1, 2016 SForm 4 →	Jun 2, 5:36 pm EDT	Zendesk, Inc.ZEN	10,840	$25.68	$278,403	84,627	−11.4%	plan?
Jun 1, 2016 MForm 4 →	Jun 2, 5:36 pm EDT	Zendesk, Inc.ZEN	10,840	$8.69	$94,203	95,467	—	plan?
May 24, 2016 SForm 4 →	May 25, 8:16 pm EDT	Zendesk, Inc.ZEN	10,920	$25.05	$273,561	84,627	−11.4%	plan?
May 24, 2016 MForm 4 →	May 25, 8:16 pm EDT	Zendesk, Inc.ZEN	10,920	$8.50	$92,806	95,547	—	plan?
May 19, 2016 SForm 4 →	May 20, 9:27 am EDT	Zendesk, Inc.ZEN	2,349	$23.55	$55,319	84,627	−2.70%	plan?
May 15, 2016 FMForm 4 →	May 17, 6:10 pm EDT	Zendesk, Inc.ZEN	3,963	$23.47	$31,896	86,976	—	plan?
May 4, 2016 SForm 4 →	May 6, 5:15 pm EDT	Zendesk, Inc.ZEN	44,627	$25.05	$1,117,991	84,627	−34.5%	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Feb 15, 2019 MForm 4 →	Feb 19, 7:27 pm EST	Zendesk, Inc.ZEN	4,029	—	—	16,042	—
Feb 7, 2019 AForm 4 →	Feb 11, 4:37 pm EST	Zendesk, Inc.ZEN	72,600	—	—	24,200	—
Jan 15, 2019 MForm 4 →	Jan 17, 5:34 pm EST	Zendesk, Inc.ZEN	3,597	—	—	0	—
Dec 15, 2018 MForm 4 →	Dec 18, 7:27 pm EST	Zendesk, Inc.ZEN	3,597	—	—	76	—
Nov 15, 2018 MForm 4 →	Nov 16, 8:23 pm EST	Zendesk, Inc.ZEN	3,597	—	—	151	—
Oct 15, 2018 MForm 4 →	Oct 17, 6:25 pm EDT	Zendesk, Inc.ZEN	3,596	—	—	226	—
Sep 15, 2018 MForm 4 →	Sep 17, 8:41 pm EDT	Zendesk, Inc.ZEN	3,597	—	—	301	—
Aug 15, 2018 MForm 4 →	Aug 17, 5:09 pm EDT	Zendesk, Inc.ZEN	3,598	—	—	376	—
Jul 15, 2018 MForm 4 →	Jul 17, 5:36 pm EDT	Zendesk, Inc.ZEN	3,596	—	—	451	—
Jun 15, 2018 MForm 4 →	Jun 19, 4:28 pm EDT	Zendesk, Inc.ZEN	3,598	—	—	526	—
May 15, 2018 MForm 4 →	May 17, 4:17 pm EDT	Zendesk, Inc.ZEN	3,597	—	—	601	—
Apr 15, 2018 MForm 4 →	Apr 17, 7:25 pm EDT	Zendesk, Inc.ZEN	3,596	—	—	676	—
Mar 15, 2018 MForm 4 →	Mar 16, 7:54 pm EDT	Zendesk, Inc.ZEN	3,597	—	—	751	—
Feb 28, 2018 MForm 4 →	Mar 1, 6:52 pm EST	Zendesk, Inc.ZEN	40,000	—	—	89,330	—
Feb 14, 2018 MForm 4 →	Feb 15, 8:42 pm EST	Zendesk, Inc.ZEN	43,595	—	—	826	—
Feb 8, 2018 AMForm 4 →	Feb 12, 9:57 pm EST	Zendesk, Inc.ZEN	116,900	—	—	169,330	—
Jan 15, 2018 MForm 4 →	Jan 17, 8:25 pm EST	Zendesk, Inc.ZEN	3,063	—	—	9,334	—
Dec 15, 2017 MForm 4 →	Dec 15, 5:30 pm EST	Zendesk, Inc.ZEN	3,064	—	—	9,567	—
Nov 15, 2017 MForm 4 →	Nov 16, 8:09 pm EST	Zendesk, Inc.ZEN	3,063	—	—	9,801	—
Oct 15, 2017 MForm 4 →	Oct 16, 8:30 pm EDT	Zendesk, Inc.ZEN	3,064	—	—	10,034	—
Sep 15, 2017 MForm 4 →	Sep 18, 8:39 pm EDT	Zendesk, Inc.ZEN	3,064	—	—	10,267	—
Aug 15, 2017 MForm 4 →	Aug 15, 9:51 pm EDT	Zendesk, Inc.ZEN	3,063	—	—	10,501	—
Jul 15, 2017 MForm 4 →	Jul 18, 7:30 pm EDT	Zendesk, Inc.ZEN	3,063	—	—	10,734	—
Jun 15, 2017 MForm 4 →	Jun 16, 7:42 pm EDT	Zendesk, Inc.ZEN	3,063	—	—	10,967	—
May 15, 2017 MForm 4 →	May 16, 8:09 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	8,138	—
May 9, 2017 AForm 4 →	May 11, 7:01 pm EDT	Zendesk, Inc.ZEN	44,800	—	—	11,200	—
Apr 15, 2017 MForm 4 →	Apr 18, 9:29 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	8,364	—
Mar 15, 2017 MForm 4 →	Mar 17, 5:34 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	8,590	—
Mar 15, 2017 MForm 4 →	Mar 17, 5:33 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	8,590	—
Mar 15, 2017 MForm 4 →	Mar 17, 5:20 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	8,590	—
Feb 15, 2017 MForm 4 →	Feb 17, 4:33 pm EST	Zendesk, Inc.ZEN	2,831	—	—	8,816	—
Jan 15, 2017 MForm 4 →	Jan 18, 7:38 pm EST	Zendesk, Inc.ZEN	2,830	—	—	9,042	—
Dec 15, 2016 MForm 4 →	Dec 16, 7:32 pm EST	Zendesk, Inc.ZEN	2,830	—	—	9,268	—
Nov 15, 2016 MForm 4 →	Nov 17, 4:03 pm EST	Zendesk, Inc.ZEN	2,830	—	—	9,494	—
Oct 15, 2016 MForm 4 →	Oct 18, 8:04 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	9,720	—
Sep 15, 2016 MForm 4 →	Sep 16, 8:22 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	9,946	—
Aug 15, 2016 MForm 4 →	Aug 15, 7:48 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	10,172	—
Jul 25, 2016 MForm 4 →	Jul 27, 4:22 pm EDT	Zendesk, Inc.ZEN	5,552	—	—	219,330	—
Jul 15, 2016 MForm 4 →	Jul 18, 5:31 pm EDT	Zendesk, Inc.ZEN	2,830	—	—	10,398	—
Jul 12, 2016 MForm 4 →	Jul 14, 6:51 pm EDT	Zendesk, Inc.ZEN	71,945	—	—	144,698	—
Jul 8, 2016 MForm 4 →	Jul 12, 8:02 pm EDT	Zendesk, Inc.ZEN	68,470	—	—	166,786	—
Jun 23, 2016 MForm 4/A →	Jun 27, 9:44 pm EDT	Zendesk, Inc.ZEN	4,164	—	—	324,596	—
Jun 23, 2016 MForm 4 →	Jun 24, 9:47 pm EDT	Zendesk, Inc.ZEN	4,164	—	—	324,596	—	amended
Jun 15, 2016 MForm 4 →	Jun 16, 7:01 pm EDT	Zendesk, Inc.ZEN	2,831	—	—	10,624	—
Jun 13, 2016 MForm 4 →	Jun 14, 5:57 pm EDT	Zendesk, Inc.ZEN	2,085	—	—	185,399	—
Jun 7, 2016 MForm 4 →	Jun 9, 5:55 pm EDT	Zendesk, Inc.ZEN	66,387	—	—	187,484	—
Jun 3, 2016 MForm 4 →	Jun 7, 4:33 pm EDT	Zendesk, Inc.ZEN	65,227	—	—	205,402	—
Jun 2, 2016 MForm 4 →	Jun 3, 6:24 pm EDT	Zendesk, Inc.ZEN	1,160	—	—	223,120	—
Jun 1, 2016 MForm 4 →	Jun 2, 5:36 pm EDT	Zendesk, Inc.ZEN	10,840	—	—	223,320	—
May 24, 2016 MForm 4 →	May 25, 8:16 pm EDT	Zendesk, Inc.ZEN	10,920	—	—	231,418	—
May 15, 2016 MForm 4 →	May 17, 6:10 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	85,939	—
May 6, 2016 AForm 4 →	May 10, 9:09 pm EDT	Zendesk, Inc.ZEN	43,350	—	—	10,850	—
May 4, 2016 MForm 4 →	May 6, 5:15 pm EDT	Zendesk, Inc.ZEN	44,627	—	—	238,938	—
Apr 15, 2016 MForm 4 →	Apr 19, 6:51 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	88,543	—
Mar 15, 2016 MForm 4 →	Mar 17, 6:14 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	91,147	—
Feb 15, 2016 MForm 4 →	Feb 16, 9:30 pm EST	Zendesk, Inc.ZEN	2,604	—	—	93,751	—
Jan 15, 2016 MForm 4 →	Jan 19, 5:43 pm EST	Zendesk, Inc.ZEN	2,604	—	—	96,355	—
Dec 15, 2015 MForm 4 →	Dec 16, 8:15 pm EST	Zendesk, Inc.ZEN	24,044	—	—	0	—
Dec 1, 2015 MForm 4 →	Dec 3, 9:32 am EST	Zendesk, Inc.ZEN	1,252	—	—	241,238	—
Nov 19, 2015 MForm 4/A →	Dec 2, 9:59 pm EST	Zendesk, Inc.ZEN	10,842	—	—	241,656	—
Nov 13, 2015 MForm 4 →	Nov 17, 7:00 pm EST	Zendesk, Inc.ZEN	24,044	—	—	101,563	—
Oct 15, 2015 MForm 4 →	Oct 16, 7:43 pm EDT	Zendesk, Inc.ZEN	24,045	—	—	42,880	—
Sep 15, 2015 MForm 4 →	Sep 16, 6:27 pm EDT	Zendesk, Inc.ZEN	24,044	—	—	64,320	—
Aug 15, 2015 MForm 4/A →	Aug 18, 5:18 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	109,376	—
Aug 15, 2015 MForm 4 →	Aug 18, 5:09 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	109,376	—
Aug 12, 2015 MForm 4 →	Aug 13, 5:42 pm EDT	Zendesk, Inc.ZEN	21,440	—	—	85,760	—
Jul 15, 2015 MForm 4 →	Jul 17, 7:48 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	111,980	—
Jun 22, 2015 MForm 4 →	Jun 23, 7:06 pm EDT	Zendesk, Inc.ZEN	7,294	—	—	107,200	—
Jun 15, 2015 MForm 4 →	Jun 17, 8:26 pm EDT	Zendesk, Inc.ZEN	9,898	—	—	114,584	—
Jun 8, 2015 MForm 4 →	Jun 10, 5:32 pm EDT	Zendesk, Inc.ZEN	7,294	—	—	121,788	—
Jun 1, 2015 MForm 4 →	Jun 3, 8:53 pm EDT	Zendesk, Inc.ZEN	7,294	—	—	129,082	—
May 26, 2015 MForm 4 →	May 28, 8:09 pm EDT	Zendesk, Inc.ZEN	7,294	—	—	136,376	—
May 18, 2015 MForm 4 →	May 20, 8:07 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	143,670	—
May 15, 2015 MForm 4 →	May 18, 6:14 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	117,188	—
May 11, 2015 MForm 4 →	May 11, 7:50 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	152,786	—
May 4, 2015 MForm 4 →	May 6, 5:35 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	161,902	—
Apr 27, 2015 MForm 4 →	Apr 29, 6:42 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	171,018	—
Apr 20, 2015 MForm 4 →	Apr 21, 9:36 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	180,134	—
Apr 15, 2015 MForm 4 →	Apr 17, 7:15 pm EDT	Zendesk, Inc.ZEN	2,604	—	—	119,792	—
Apr 13, 2015 MForm 4 →	Apr 14, 8:41 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	189,250	—
Apr 6, 2015 MForm 4 →	Apr 8, 6:25 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	198,366	—
Mar 30, 2015 MForm 4 →	Apr 1, 7:37 pm EDT	Zendesk, Inc.ZEN	9,116	—	—	207,482	—
Mar 23, 2015 MForm 4 →	Mar 25, 7:18 pm EDT	Zendesk, Inc.ZEN	7,294	—	—	216,598	—
Mar 15, 2015 MForm 4 →	Mar 17, 9:52 pm EDT	Zendesk, Inc.ZEN	9,898	—	—	223,892	—
Mar 9, 2015 MForm 4 →	Mar 11, 6:45 pm EDT	Zendesk, Inc.ZEN	7,294	—	—	231,186	—
Mar 2, 2015 MForm 4 →	Mar 4, 7:53 pm EST	Zendesk, Inc.ZEN	7,294	—	—	238,480	—
Feb 23, 2015 MForm 4 →	Feb 25, 7:15 pm EST	Zendesk, Inc.ZEN	7,294	—	—	245,774	—
Feb 17, 2015 MForm 4 →	Feb 18, 6:14 pm EST	Zendesk, Inc.ZEN	9,116	—	—	253,068	—
Feb 9, 2015 MForm 4 →	Feb 11, 7:22 pm EST	Zendesk, Inc.ZEN	9,116	—	—	262,184	—
Feb 5, 2015 AMForm 4 →	Feb 9, 9:36 pm EST	Zendesk, Inc.ZEN	251,250	$24.77	$3,096,250	244,999	—
Feb 2, 2015 MForm 4 →	Feb 4, 8:19 pm EST	Zendesk, Inc.ZEN	9,116	—	—	271,300	—
Jan 26, 2015 MForm 4 →	Jan 28, 7:53 pm EST	Zendesk, Inc.ZEN	9,116	—	—	280,416	—
Jan 20, 2015 MForm 4 →	Jan 22, 4:51 pm EST	Zendesk, Inc.ZEN	9,116	—	—	289,532	—
Jan 12, 2015 MForm 4 →	Jan 14, 9:02 pm EST	Zendesk, Inc.ZEN	9,116	—	—	298,648	—
Jan 8, 2015 MForm 4 →	Jan 12, 4:43 pm EST	Zendesk, Inc.ZEN	13,991	—	—	245,416	—
Jan 5, 2015 MForm 4 →	Jan 7, 5:27 pm EST	Zendesk, Inc.ZEN	9,116	—	—	319,671	—