Insider Trading activities at Slack Technologies, Inc. (WORK)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Slack Technologies, Inc. (WORK) since 2019 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Slack Technologies, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1764925.

Total stock buying since 2019: $0.
Total stock sales since 2019: $1,667,720,252.
Total stock option exercises since 2019: $6,034,374.

1 2 3 4

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at *Slack Technologies, Inc.* (*WORK*).
	Insider Buying		Insider Sales		Option Exercises
Year	Shares	Value	Shares	Value	Shares	Value
2021	0	$0	996,044	$42,332,933	8,226	$199,974
2020	0	$0	7,045,566	$215,993,266	240,000	$5,834,400
2019	0	$0	36,414,778	$1,409,394,053	0	$0

Table 2. Monthly summary of insider trading at *Slack Technologies, Inc.* (*WORK*).
Trading Period	Insider Buying		Insider Sales		Option Exercises
year-month	Shares	Value	Shares	Value	Shares	Value
2021-07	0	$0	212,333	$9,410,400	0	$0
2021-06	0	$0	3,333	$146,052	0	$0
2021-05	0	$0	123,035	$5,255,823	0	$0
2021-04	0	$0	413,726	$17,261,032	0	$0
2021-03	0	$0	8,041	$330,886	8,226	$199,974
2021-02	0	$0	49,978	$2,122,438	0	$0
2021-01	0	$0	185,598	$7,806,302	0	$0
2020-12	0	$0	51,476	$2,230,605	0	$0
2020-11	0	$0	1,213,859	$46,094,880	0	$0
2020-10	0	$0	255,239	$7,250,237	0	$0
2020-09	0	$0	92,643	$3,099,445	200,000	$4,862,000
2020-08	0	$0	186,701	$5,618,760	0	$0
2020-07	0	$0	523,706	$17,254,209	0	$0
2020-06	0	$0	1,875,304	$62,988,482	0	$0
2020-05	0	$0	178,290	$4,960,365	0	$0
2020-04	0	$0	596,210	$17,267,090	40,000	$972,400
2020-03	0	$0	1,485,606	$35,366,553	0	$0
2020-02	0	$0	330,752	$8,007,186	0	$0
2020-01	0	$0	255,780	$5,855,454	0	$0
2019-12	0	$0	557,199	$12,017,302	0	$0
2019-11	0	$0	155,115	$3,351,856	0	$0
2019-10	0	$0	220,345	$5,125,936	0	$0
2019-09	0	$0	116,937	$3,100,625	0	$0
2019-08	0	$0	293,394	$9,169,779	0	$0

Table 3. Detailed insider trading at *Slack Technologies, Inc.* (*WORK*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2021-07-02	Yehoshua Tamar (Chief Product Officer)	Sale	42,974	44.51	1,912,772
2021-07-01	Zell Brandon (Chief Accounting Officer)	Sale	3,338	44.29	147,840
2021-07-01	Henderson Cal (Chief Technology Officer)	Sale	1,499	44.29	66,390
2021-07-01	Shim Allen (Chief Financial Officer)	Sale	1,925	44.29	85,258
2021-07-01	Frati Robert (Sr VP Sales, Customer Success)	Sale	2,726	44.29	120,734
2021-07-01	Butterfield Stewart (Chief Executive Officer)	Sale	109,290	44.26	4,837,175
2021-07-01	Yehoshua Tamar (Chief Product Officer)	Sale	49,082	44.29	2,173,841
2021-07-01	Schellhase David (General Counsel and Secretary)	Sale	1,499	44.29	66,390
2021-06-01	Schellhase David (General Counsel and Secretary)	Sale	3,333	43.82	146,052
2021-05-24	Yehoshua Tamar (Chief Product Officer)	Sale	85,744	43.00	3,686,992
2021-05-03	Henderson Cal (Chief Technology Officer)	Sale	5,637	42.07	237,148
2021-05-03	Shim Allen (Chief Financial Officer)	Sale	28,321	42.07	1,191,464
2021-05-03	Schellhase David (General Counsel and Secretary)	Sale	3,333	42.07	140,219
2021-04-15	Butterfield Stewart (Chief Executive Officer)	Sale	250,000	42.06	10,515,000
2021-04-01	Henderson Cal (Chief Technology Officer)	Sale	1,072	41.20	44,166
2021-04-01	Shim Allen (Chief Financial Officer)	Sale	1,925	41.20	79,310
2021-04-01	Butterfield Stewart (Chief Executive Officer)	Sale	102,148	41.22	4,210,540
2021-04-01	Yehoshua Tamar (Chief Product Officer)	Sale	49,082	41.20	2,022,178
2021-04-01	Schellhase David (General Counsel and Secretary)	Sale	1,499	41.20	61,758
2021-04-01	Smith Graham	Sale	8,000	41.01	328,080
2021-03-18	Yehoshua Tamar (Chief Product Officer)	Option Ex	8,226	24.31	199,974
2021-03-01	Shim Allen (Chief Financial Officer)	Sale	4,708	41.15	193,734
2021-03-01	Schellhase David (General Counsel and Secretary)	Sale	3,333	41.15	137,152
2021-02-02	Zell Brandon (Chief Accounting Officer)	Sale	3,501	42.70	149,492
2021-02-01	Zell Brandon (Chief Accounting Officer)	Sale	3,999	42.45	169,757
2021-02-01	Henderson Cal (Chief Technology Officer)	Sale	4,279	42.45	181,643
2021-02-01	Shim Allen (Chief Financial Officer)	Sale	25,302	42.45	1,074,069
2021-02-01	Frati Robert (Sr VP Sales, Customer Success)	Sale	9,574	42.45	406,416
2021-02-01	Schellhase David (General Counsel and Secretary)	Sale	3,323	42.45	141,061
2021-01-05	Zell Brandon (Chief Accounting Officer)	Sale	2,882	41.94	120,871
2021-01-05	Butterfield Stewart (Chief Executive Officer)	Sale	114,407	42.09	4,814,818
2021-01-04	Zell Brandon (Chief Accounting Officer)	Sale	4,378	41.99	183,832
2021-01-04	Henderson Cal (Chief Technology Officer)	Sale	1,252	41.99	52,571
2021-01-04	Shim Allen (Chief Financial Officer)	Sale	1,557	41.99	65,378
2021-01-04	Frati Robert (Sr VP Sales, Customer Success)	Sale	2,155	41.99	90,488
2021-01-04	Yehoshua Tamar (Chief Product Officer)	Sale	49,288	41.99	2,069,603
2021-01-04	Schellhase David (General Counsel and Secretary)	Sale	1,679	41.99	70,501
2021-01-04	Smith Graham	Sale	8,000	42.28	338,240
2020-12-18	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	42.63	213,150
2020-12-07	Henderson Cal (Chief Technology Officer)	Sale	1,500	43.07	64,605
2020-12-04	Henderson Cal (Chief Technology Officer)	Sale	1,500	42.86	64,290
2020-12-04	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	42.80	214,000
2020-12-03	Henderson Cal (Chief Technology Officer)	Sale	1,500	42.92	64,380
2020-12-02	Henderson Cal (Chief Technology Officer)	Sale	1,500	42.86	64,290
2020-12-01	Henderson Cal (Chief Technology Officer)	Sale	1,500	43.70	65,557
2020-12-01	Shim Allen (Chief Financial Officer)	Sale	4,708	43.57	205,127
2020-12-01	Schellhase David (General Counsel and Secretary)	Sale	29,268	43.57	1,275,206
2020-11-30	Henderson Cal (Chief Technology Officer)	Sale	1,500	42.99	64,485
2020-11-27	Henderson Cal (Chief Technology Officer)	Sale	1,500	39.65	59,479
2020-11-25	Zell Brandon (Chief Accounting Officer)	Sale	20,000	40.00	800,000
2020-11-25	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.68	46,012
2020-11-25	Butterfield Stewart (Chief Executive Officer)	Sale	650,000	39.05	25,385,750
2020-11-25	Braccia Andrew	Sale	380,000	39.95	15,181,000
2020-11-25	Smith Graham	Sale	3,500	36.73	128,537
2020-11-25	Ofarrell John	Sale	10,000	35.27	352,700
2020-11-24	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.00	45,000
2020-11-23	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.00	45,000
2020-11-23	Butterfield Stewart (Chief Executive Officer)	Sale	75,000	30.01	2,250,750
2020-11-20	Henderson Cal (Chief Technology Officer)	Sale	100	30.00	3,000
2020-11-20	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	28.47	142,350
2020-11-06	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	27.50	137,500
2020-11-03	Zell Brandon (Chief Accounting Officer)	Sale	3,484	25.19	87,761
2020-11-02	Zell Brandon (Chief Accounting Officer)	Sale	4,016	25.16	101,042
2020-11-02	Henderson Cal (Chief Technology Officer)	Sale	6,024	25.16	151,563
2020-11-02	Shim Allen (Chief Financial Officer)	Sale	28,439	25.16	715,525
2020-11-02	Frati Robert (Sr VP Sales, Customer Success)	Sale	12,449	25.16	313,216
2020-11-02	Schellhase David (General Counsel and Secretary)	Sale	3,347	25.16	84,210
2020-10-23	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	28.36	141,800
2020-10-20	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.70	47,557
2020-10-19	Henderson Cal (Chief Technology Officer)	Sale	1,500	32.47	48,705
2020-10-16	Henderson Cal (Chief Technology Officer)	Sale	1,500	32.67	49,005
2020-10-15	Henderson Cal (Chief Technology Officer)	Sale	1,500	32.59	48,885
2020-10-14	Henderson Cal (Chief Technology Officer)	Sale	1,500	32.45	48,675
2020-10-13	Henderson Cal (Chief Technology Officer)	Sale	1,500	32.25	48,375
2020-10-12	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.61	47,415
2020-10-12	Smith Graham	Sale	2,500	32.00	80,000
2020-10-09	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.16	45,240
2020-10-09	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	30.18	150,900
2020-10-08	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.01	45,015
2020-10-07	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.00	45,000
2020-10-07	Butterfield Stewart (Chief Executive Officer)	Sale	50,000	30.03	1,501,500
2020-10-06	Smith Graham	Sale	3,000	29.00	87,000
2020-10-02	Zell Brandon (Chief Accounting Officer)	Sale	3,089	27.73	85,657
2020-10-01	Zell Brandon (Chief Accounting Officer)	Sale	4,174	27.35	114,158
2020-10-01	Henderson Cal (Chief Technology Officer)	Sale	1,499	27.35	40,997
2020-10-01	Shim Allen (Chief Financial Officer)	Sale	1,925	27.35	52,648
2020-10-01	Frati Robert (Sr VP Sales, Customer Success)	Sale	2,725	27.35	74,528
2020-10-01	Butterfield Stewart (Chief Executive Officer)	Sale	110,745	27.66	3,063,760
2020-10-01	Yehoshua Tamar (Chief Product Officer)	Sale	49,083	27.35	1,342,420
2020-10-01	Schellhase David (General Counsel and Secretary)	Sale	1,499	27.35	40,997
2020-09-28	Frati Robert (Sr VP Sales, Customer Success)	Sale	10,000	27.50	275,000
2020-09-09	Butterfield Stewart (Chief Executive Officer)	Option Ex	200,000	24.31	4,862,000
2020-09-08	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.01	45,015
2020-09-04	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.83	46,245
2020-09-03	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.73	47,599
2020-09-02	Henderson Cal (Chief Technology Officer)	Sale	1,500	34.10	51,150
2020-09-02	Shim Allen (Chief Financial Officer)	Sale	4,667	35.00	163,345
2020-09-02	Butterfield Stewart (Chief Executive Officer)	Sale	25,000	34.12	853,125
2020-09-02	Smith Graham	Sale	1,500	35.00	52,500
2020-09-02	Ofarrell John	Sale	10,000	35.00	350,000
2020-09-01	Henderson Cal (Chief Technology Officer)	Sale	1,500	34.30	51,449
2020-09-01	Shim Allen (Chief Financial Officer)	Sale	4,708	34.26	161,296
2020-09-01	Schellhase David (General Counsel and Secretary)	Sale	29,268	34.26	1,002,721
2020-08-31	Henderson Cal (Chief Technology Officer)	Sale	1,500	32.27	48,405
2020-08-28	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.91	47,865
2020-08-28	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	31.15	155,750
2020-08-28	Smith Graham	Sale	2,500	32.00	80,000
2020-08-27	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.53	45,795
2020-08-26	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.00	45,000
2020-08-21	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.11	45,165
2020-08-20	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.01	45,015
2020-08-20	Butterfield Stewart (Chief Executive Officer)	Sale	25,000	30.00	750,000
2020-08-14	Zell Brandon (Chief Accounting Officer)	Sale	3,501	28.37	99,323
2020-08-14	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	28.37	141,850
2020-08-07	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.00	45,000
2020-08-06	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.03	45,045
2020-08-05	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.09	45,135
2020-08-05	Butterfield Stewart (Chief Executive Officer)	Sale	25,000	30.17	754,250
2020-08-04	Henderson Cal (Chief Technology Officer)	Sale	1,500	30.35	45,525
2020-08-04	Shim Allen (Chief Financial Officer)	Sale	28,085	30.35	852,379
2020-08-03	Zell Brandon (Chief Accounting Officer)	Sale	3,999	29.96	119,810
2020-08-03	Henderson Cal (Chief Technology Officer)	Sale	7,499	29.98	224,820
2020-08-03	Shim Allen (Chief Financial Officer)	Sale	50,386	30.00	1,511,328
2020-08-03	Frati Robert (Sr VP Sales, Customer Success)	Sale	12,398	29.96	371,444
2020-08-03	Schellhase David (General Counsel and Secretary)	Sale	3,333	29.96	99,856
2020-07-31	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	28.87	144,350
2020-07-27	Smith Graham	Sale	3,000	29.38	88,140
2020-07-24	Henderson Cal (Chief Technology Officer)	Sale	20	30.00	600
2020-07-23	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.07	46,605
2020-07-22	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.79	47,685
2020-07-21	Henderson Cal (Chief Technology Officer)	Sale	1,500	33.36	50,040
2020-07-20	Henderson Cal (Chief Technology Officer)	Sale	1,500	33.12	49,672
2020-07-17	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.84	47,760
2020-07-17	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	32.04	160,200
2020-07-16	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.48	47,220
2020-07-15	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.85	47,775
2020-07-15	Butterfield Stewart (Chief Executive Officer)	Sale	25,000	31.83	795,750
2020-07-14	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.82	47,737
2020-07-13	Henderson Cal (Chief Technology Officer)	Sale	1,500	35.07	52,605
2020-07-13	Butterfield Stewart (Chief Executive Officer)	Sale	180,000	36.04	6,487,200
2020-07-13	Braccia Andrew	Sale	21,000	34.96	734,160
2020-07-13	Ofarrell John	Sale	10,000	35.03	350,300
2020-07-10	Henderson Cal (Chief Technology Officer)	Sale	1,500	33.75	50,625
2020-07-10	Schellhase David (General Counsel and Secretary)	Sale	5,000	34.02	170,100
2020-07-09	Henderson Cal (Chief Technology Officer)	Sale	1,500	33.23	49,844
2020-07-08	Henderson Cal (Chief Technology Officer)	Sale	1,500	33.22	49,834
2020-07-07	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.07	46,605
2020-07-06	Henderson Cal (Chief Technology Officer)	Sale	1,500	31.25	46,875
2020-07-06	Frati Robert (Sr VP Sales, Customer Success)	Sale	5,000	30.65	153,250
2020-07-06	Yehoshua Tamar (Chief Product Officer)	Sale	44,437	30.31	1,346,885

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Insider trading activities including stock purchases, stock sales, and option exercises of WORK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Slack Technologies, Inc. (symbol WORK, CIK number 1764925) see the Securities and Exchange Commission (SEC) website.

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