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

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Slack Technologies, Inc. (WORK) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Slack Technologies, Inc. since year 2005. Table 2 shows the detailed insider transactions of Slack Technologies, Inc. since 2005. The reporting company's ticker symbol is WORK. The reporting company's CIK number is 1764925.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $1,414,753,660.
The total value of stock option exercises since 2005 is $0.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Slack Technologies, Inc. (WORK).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2020-01 0 $0 223,780 $5,184,117 0 $0
2019-12 0 $0 565,199 $12,192,792 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
2019-07 0 $0 202,689 $7,324,531 0 $0
2019-06 0 $0 34,869,099 $1,369,304,024 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Slack Technologies, Inc. insiders (WORK)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2020-01-21 Henderson Cal (Chief Technology Officer) Sale 1,500 22.42 33,630
2020-01-21 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.37 55,925
2020-01-17 Henderson Cal (Chief Technology Officer) Sale 1,500 22.74 34,110
2020-01-17 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.93 57,337
2020-01-16 Henderson Cal (Chief Technology Officer) Sale 1,500 22.96 34,440
2020-01-16 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.94 57,350
2020-01-15 Henderson Cal (Chief Technology Officer) Sale 1,500 22.67 34,005
2020-01-15 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.64 56,600
2020-01-14 Henderson Cal (Chief Technology Officer) Sale 1,500 22.48 33,720
2020-01-14 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.45 56,125
2020-01-13 Henderson Cal (Chief Technology Officer) Sale 1,500 23.22 34,830
2020-01-13 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.21 58,025
2020-01-10 Henderson Cal (Chief Technology Officer) Sale 1,500 23.05 34,575
2020-01-10 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.06 57,650
2020-01-09 Henderson Cal (Chief Technology Officer) Sale 1,500 23.55 35,332
2020-01-09 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.48 58,712
2020-01-08 Henderson Cal (Chief Technology Officer) Sale 1,500 23.94 35,910
2020-01-08 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.92 59,800
2020-01-08 Horowitz Benjamin A (10% Owner) Sale 60,536 24.13 1,460,733
2020-01-07 Henderson Cal (Chief Technology Officer) Sale 1,500 23.64 35,460
2020-01-07 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.68 59,200
2020-01-06 Henderson Cal (Chief Technology Officer) Sale 1,500 23.29 34,927
2020-01-06 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.14 57,837
2020-01-03 Henderson Cal (Chief Technology Officer) Sale 1,500 22.65 33,975
2020-01-03 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.61 56,525
2020-01-02 Zell Brandon (Chief Accounting Officer) Sale 2,109 22.66 47,789
2020-01-02 Henderson Cal (Chief Technology Officer) Sale 1,500 22.65 33,975
2020-01-02 Shim Allen (Chief Financial Officer) Sale 3,042 22.66 68,931
2020-01-02 Butterfield Stewart (Chief Executive Officer) Sale 108,593 22.71 2,466,689
2019-12-31 Henderson Cal (Chief Technology Officer) Sale 1,500 22.22 33,330
2019-12-31 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.25 55,625
2019-12-30 Henderson Cal (Chief Technology Officer) Sale 1,500 22.09 33,135
2019-12-30 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.09 55,225
2019-12-30 Andreessen Marc L Sale 34,900 22.05 769,475
2019-12-27 Henderson Cal (Chief Technology Officer) Sale 3,000 21.93 65,790
2019-12-27 Butterfield Stewart (Chief Executive Officer) Sale 5,000 21.94 109,700
2019-12-26 Henderson Cal (Chief Technology Officer) Sale 1,500 21.72 32,580
2019-12-26 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.74 54,349
2019-12-24 Henderson Cal (Chief Technology Officer) Sale 1,500 21.33 31,994
2019-12-24 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.34 53,350
2019-12-23 Henderson Cal (Chief Technology Officer) Sale 1,500 21.47 32,205
2019-12-23 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.47 53,675
2019-12-23 Braccia Andrew Sale 405,000 21.47 8,695,350
2019-12-20 Henderson Cal (Chief Technology Officer) Sale 1,500 21.19 31,785
2019-12-20 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.22 53,050
2019-12-19 Henderson Cal (Chief Technology Officer) Sale 1,500 21.17 31,755
2019-12-19 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.17 52,925
2019-12-18 Henderson Cal (Chief Technology Officer) Sale 1,500 21.14 31,717
2019-12-18 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.25 53,112
2019-12-17 Henderson Cal (Chief Technology Officer) Sale 1,500 21.07 31,605
2019-12-17 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.96 52,400
2019-12-16 Henderson Cal (Chief Technology Officer) Sale 1,500 21.53 32,295
2019-12-16 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.51 53,775
2019-12-13 Henderson Cal (Chief Technology Officer) Sale 1,500 21.10 31,650
2019-12-13 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.10 52,750
2019-12-12 Henderson Cal (Chief Technology Officer) Sale 1,500 20.46 30,690
2019-12-12 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.57 51,425
2019-12-11 Henderson Cal (Chief Technology Officer) Sale 1,500 21.36 32,032
2019-12-11 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.30 53,250
2019-12-10 Henderson Cal (Chief Technology Officer) Sale 1,500 22.59 33,885
2019-12-10 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.52 56,300
2019-12-09 Henderson Cal (Chief Technology Officer) Sale 1,500 22.87 34,305
2019-12-09 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.86 57,150
2019-12-06 Henderson Cal (Chief Technology Officer) Sale 1,500 22.75 34,125
2019-12-06 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.75 56,875
2019-12-05 Henderson Cal (Chief Technology Officer) Sale 1,500 21.91 32,865
2019-12-05 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.12 55,307
2019-12-04 Henderson Cal (Chief Technology Officer) Sale 1,500 22.02 33,030
2019-12-04 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.91 54,775
2019-12-03 Henderson Cal (Chief Technology Officer) Sale 1,500 22.34 33,510
2019-12-03 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.46 56,150
2019-12-02 Henderson Cal (Chief Technology Officer) Sale 1,500 21.94 32,910
2019-12-02 Shim Allen (Chief Financial Officer) Sale 4,858 21.84 106,098
2019-12-02 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.84 54,612
2019-12-02 Schellhase David (General Counsel and Secretary) Sale 28,441 21.84 621,151
2019-11-29 Henderson Cal (Chief Technology Officer) Sale 1,500 22.91 34,365
2019-11-29 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.89 57,225
2019-11-27 Henderson Cal (Chief Technology Officer) Sale 1,500 22.42 33,630
2019-11-27 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.47 56,175
2019-11-26 Henderson Cal (Chief Technology Officer) Sale 1,500 22.22 33,330
2019-11-26 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.18 55,450
2019-11-22 Henderson Cal (Chief Technology Officer) Sale 1,500 21.16 31,740
2019-11-22 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.16 52,900
2019-11-21 Henderson Cal (Chief Technology Officer) Sale 1,500 21.24 31,859
2019-11-21 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.64 54,100
2019-11-20 Henderson Cal (Chief Technology Officer) Sale 1,500 21.60 32,400
2019-11-19 Henderson Cal (Chief Technology Officer) Sale 1,500 21.55 32,332
2019-11-19 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.48 53,700
2019-11-18 Henderson Cal (Chief Technology Officer) Sale 1,500 23.30 34,942
2019-11-18 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.10 57,750
2019-11-15 Henderson Cal (Chief Technology Officer) Sale 1,500 22.37 33,555
2019-11-15 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.43 56,075
2019-11-14 Henderson Cal (Chief Technology Officer) Sale 1,500 21.32 31,980
2019-11-14 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.33 53,324
2019-11-13 Henderson Cal (Chief Technology Officer) Sale 1,500 21.11 31,665
2019-11-13 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.11 52,775
2019-11-12 Henderson Cal (Chief Technology Officer) Sale 1,500 20.05 30,075
2019-11-12 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.52 51,287
2019-11-11 Henderson Cal (Chief Technology Officer) Sale 1,500 20.09 30,135
2019-11-11 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.09 50,225
2019-11-08 Henderson Cal (Chief Technology Officer) Sale 1,500 20.01 30,015
2019-11-08 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.12 50,300
2019-11-07 Henderson Cal (Chief Technology Officer) Sale 1,500 20.00 30,000
2019-11-07 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.28 50,700
2019-11-06 Henderson Cal (Chief Technology Officer) Sale 1,500 20.44 30,660
2019-11-06 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.42 51,050
2019-11-05 Henderson Cal (Chief Technology Officer) Sale 1,500 21.57 32,347
2019-11-05 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.55 53,875
2019-11-04 Henderson Cal (Chief Technology Officer) Sale 1,500 21.96 32,940
2019-11-04 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.96 54,900
2019-11-01 Zell Brandon (Chief Accounting Officer) Sale 3,766 21.75 81,910
2019-11-01 Henderson Cal (Chief Technology Officer) Sale 14,809 21.75 322,021
2019-11-01 Shim Allen (Chief Financial Officer) Sale 28,321 21.75 615,981
2019-11-01 Frati Robert (Sr VP Sales, Customer Success) Sale 33,080 21.75 719,490
2019-11-01 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.76 54,400
2019-11-01 Schellhase David (General Counsel and Secretary) Sale 3,139 21.75 68,273
2019-10-31 Henderson Cal (Chief Technology Officer) Sale 1,500 22.56 33,840
2019-10-31 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.54 56,350
2019-10-30 Henderson Cal (Chief Technology Officer) Sale 1,500 22.75 34,125
2019-10-30 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.98 57,450
2019-10-29 Henderson Cal (Chief Technology Officer) Sale 1,500 22.30 33,442
2019-10-29 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.30 55,762
2019-10-28 Henderson Cal (Chief Technology Officer) Sale 1,500 20.86 31,282
2019-10-28 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.84 52,087
2019-10-25 Henderson Cal (Chief Technology Officer) Sale 1,500 20.75 31,125
2019-10-25 Butterfield Stewart (Chief Executive Officer) Sale 2,500 20.73 51,825
2019-10-24 Henderson Cal (Chief Technology Officer) Sale 1,500 21.03 31,545
2019-10-24 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.06 52,650
2019-10-23 Henderson Cal (Chief Technology Officer) Sale 1,500 21.04 31,560
2019-10-23 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.03 52,575
2019-10-22 Henderson Cal (Chief Technology Officer) Sale 1,500 21.75 32,617
2019-10-22 Butterfield Stewart (Chief Executive Officer) Sale 2,500 21.73 54,325
2019-10-21 Henderson Cal (Chief Technology Officer) Sale 1,500 22.33 33,495
2019-10-21 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.34 55,850
2019-10-18 Henderson Cal (Chief Technology Officer) Sale 1,500 22.39 33,592
2019-10-18 Butterfield Stewart (Chief Executive Officer) Sale 2,500 22.34 55,850
2019-10-17 Henderson Cal (Chief Technology Officer) Sale 1,500 23.51 35,265
2019-10-17 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.57 58,925
2019-10-16 Henderson Cal (Chief Technology Officer) Sale 1,500 23.14 34,710
2019-10-16 Butterfield Stewart (Chief Executive Officer) Sale 2,500 23.15 57,875
2019-10-15 Henderson Cal (Chief Technology Officer) Sale 1,500 24.56 36,840
2019-10-15 Butterfield Stewart (Chief Executive Officer) Sale 2,500 24.58 61,449
2019-10-14 Henderson Cal (Chief Technology Officer) Sale 1,500 25.04 37,560
2019-10-14 Butterfield Stewart (Chief Executive Officer) Sale 2,500 25.23 63,062
2019-10-11 Henderson Cal (Chief Technology Officer) Sale 1,500 25.49 38,235
2019-10-11 Butterfield Stewart (Chief Executive Officer) Sale 2,500 25.50 63,750
2019-10-10 Henderson Cal (Chief Technology Officer) Sale 1,500 24.16 36,232
2019-10-10 Butterfield Stewart (Chief Executive Officer) Sale 2,500 24.14 60,350
2019-10-09 Henderson Cal (Chief Technology Officer) Sale 1,500 24.81 37,215
2019-10-09 Butterfield Stewart (Chief Executive Officer) Sale 2,500 24.80 62,000
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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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