Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Zendesk, Inc. (ZEN) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Zendesk, Inc.. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1463172.
Total stock buying since 2014: $12,764,495.
Total stock sales since 2014: $388,779,724.
Total stock option exercises since 2014: $32,846,807.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2022 | 0 | $0 | 343,633 | $31,267,437 | 392,703 | $3,555,076 |
| 2021 | 0 | $0 | 684,316 | $88,988,594 | 819,672 | $5,753,447 |
| 2020 | 0 | $0 | 589,089 | $55,489,316 | 439,995 | $6,562,082 |
| 2019 | 0 | $0 | 610,679 | $47,924,547 | 511,398 | $2,980,105 |
| 2018 | 0 | $0 | 578,511 | $29,454,264 | 471,128 | $1,829,334 |
| 2017 | 0 | $0 | 469,467 | $13,862,576 | 482,446 | $2,107,987 |
| 2016 | 0 | $0 | 884,676 | $24,417,144 | 696,036 | $4,450,264 |
| 2015 | 0 | $0 | 3,280,187 | $74,924,203 | 1,131,648 | $4,083,842 |
| 2014 | 1,370,000 | $12,764,495 | 936,175 | $22,451,643 | 728,645 | $1,524,670 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2018-05-16 | Marooney Caryn | Option Ex | 7,150 | .00 | 0 |
| 2018-05-16 | Frandsen Michael Lyle | Option Ex | 3,058 | .00 | 0 |
| 2018-05-16 | Koplow Hilarie A. | Option Ex | 5,445 | .00 | 0 |
| 2018-05-16 | Stalder Dana | Option Ex | 7,150 | .00 | 0 |
| 2018-05-16 | Bass Carl | Option Ex | 7,150 | .00 | 0 |
| 2018-05-16 | Nelson Elizabeth A | Option Ex | 7,150 | .00 | 0 |
| 2018-05-16 | Wilson L Michelle | Option Ex | 7,150 | .00 | 0 |
| 2018-05-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,868 | .00 | 0 |
| 2018-05-15 | Svane Mikkel (Chairman and CEO) | Sale | 50,000 | 54.30 | 2,714,750 |
| 2018-05-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 2,657 | .00 | 0 |
| 2018-05-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,597 | .00 | 0 |
| 2018-05-15 | Geschke John (CLO and SVP Administration) | Option Ex | 1,091 | .00 | 0 |
| 2018-05-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,811 | .00 | 0 |
| 2018-05-15 | Titterton Jeffrey J (SVP, Marketing) | Option Ex | 16,399 | .00 | 0 |
| 2018-05-08 | Mcdermott Adrian (President of Products) | Sale | 1,081 | 53.79 | 58,146 |
| 2018-05-07 | Gomez Elena (Chief Financial Officer) | Sale | 2,500 | 53.84 | 134,600 |
| 2018-05-07 | Gomez Elena (Chief Financial Officer) | Option Ex | 2,500 | 23.44 | 58,600 |
| 2018-04-20 | Gomez Elena (Chief Financial Officer) | Sale | 500 | 49.67 | 24,835 |
| 2018-04-19 | Mcdermott Adrian (President of Products) | Sale | 1,425 | 50.16 | 71,478 |
| 2018-04-17 | Gomez Elena (Chief Financial Officer) | Sale | 2,500 | 50.00 | 125,000 |
| 2018-04-17 | Gomez Elena (Chief Financial Officer) | Option Ex | 2,500 | 23.44 | 58,600 |
| 2018-04-16 | Geschke John (CLO and SVP Administration) | Sale | 5,000 | 49.03 | 245,159 |
| 2018-04-16 | Geschke John (CLO and SVP Administration) | Option Ex | 5,000 | 7.88 | 39,400 |
| 2018-04-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,868 | .00 | 0 |
| 2018-04-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 2,655 | .00 | 0 |
| 2018-04-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,596 | .00 | 0 |
| 2018-04-15 | Geschke John (CLO and SVP Administration) | Option Ex | 1,092 | .00 | 0 |
| 2018-04-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,810 | .00 | 0 |
| 2018-03-27 | Gomez Elena (Chief Financial Officer) | Sale | 5,000 | 50.00 | 250,000 |
| 2018-03-27 | Gomez Elena (Chief Financial Officer) | Option Ex | 5,000 | 23.44 | 117,200 |
| 2018-03-20 | Gomez Elena (Chief Financial Officer) | Sale | 500 | 46.04 | 23,020 |
| 2018-03-20 | Mcdermott Adrian (President of Products) | Sale | 1,425 | 46.04 | 65,607 |
| 2018-03-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,870 | .00 | 0 |
| 2018-03-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 2,656 | .00 | 0 |
| 2018-03-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,597 | .00 | 0 |
| 2018-03-15 | Geschke John (CLO and SVP Administration) | Option Ex | 1,092 | .00 | 0 |
| 2018-03-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,810 | .00 | 0 |
| 2018-02-28 | Mcdermott Adrian (President of Products) | Sale | 40,000 | 43.54 | 1,741,560 |
| 2018-02-28 | Mcdermott Adrian (President of Products) | Option Ex | 40,000 | 6.24 | 249,600 |
| 2018-02-21 | Mcdermott Adrian (President of Products) | Sale | 1,425 | 43.00 | 61,275 |
| 2018-02-20 | Gomez Elena (Chief Financial Officer) | Sale | 500 | 41.99 | 20,995 |
| 2018-02-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,867 | .00 | 0 |
| 2018-02-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 2,655 | .00 | 0 |
| 2018-02-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,595 | .00 | 0 |
| 2018-02-15 | Geschke John (CLO and SVP Administration) | Option Ex | 1,090 | .00 | 0 |
| 2018-02-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,810 | .00 | 0 |
| 2018-02-14 | Mcdermott Adrian (President of Products) | Sale | 40,000 | 41.72 | 1,668,839 |
| 2018-02-14 | Mcdermott Adrian (President of Products) | Option Ex | 40,000 | 6.24 | 249,600 |
| 2018-02-13 | Geschke John (CLO and SVP Administration) | Sale | 5,000 | 40.91 | 204,555 |
| 2018-02-13 | Geschke John (CLO and SVP Administration) | Option Ex | 5,000 | 9.52 | 47,600 |
| 2018-02-12 | Nelson Elizabeth A | Sale | 10,000 | 40.02 | 400,220 |
| 2018-02-09 | Mcdermott Adrian (President of Products) | Sale | 49,700 | 39.07 | 1,941,977 |
| 2018-02-09 | Mcdermott Adrian (President of Products) | Option Ex | 49,700 | 6.24 | 310,128 |
| 2018-02-09 | Geschke John (CLO and SVP Administration) | Sale | 5,000 | 38.78 | 193,900 |
| 2018-02-09 | Geschke John (CLO and SVP Administration) | Option Ex | 5,000 | 6.24 | 31,200 |
| 2018-02-09 | Nelson Elizabeth A | Sale | 10,000 | 39.00 | 390,000 |
| 2018-02-08 | Svane Mikkel (Chairman and CEO) | Sale | 50,000 | 39.03 | 1,951,550 |
| 2018-02-08 | Mcdermott Adrian (President of Products) | Sale | 300 | 40.00 | 12,000 |
| 2018-02-08 | Mcdermott Adrian (President of Products) | Option Ex | 300 | 6.24 | 1,872 |
| 2018-01-19 | Mcdermott Adrian (President of Products) | Sale | 1,593 | 36.27 | 57,778 |
| 2018-01-16 | Geschke John (CLO and SVP Administration) | Sale | 5,000 | 37.80 | 189,025 |
| 2018-01-16 | Geschke John (CLO and SVP Administration) | Option Ex | 5,000 | 9.52 | 47,600 |
| 2018-01-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,149 | .00 | 0 |
| 2018-01-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 1,898 | .00 | 0 |
| 2018-01-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,063 | .00 | 0 |
| 2018-01-15 | Geschke John (CLO and SVP Administration) | Option Ex | 631 | .00 | 0 |
| 2018-01-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,116 | .00 | 0 |
| 2018-01-12 | Geschke John (CLO and SVP Administration) | Sale | 5,000 | 36.95 | 184,740 |
| 2018-01-12 | Geschke John (CLO and SVP Administration) | Option Ex | 5,000 | 6.24 | 31,200 |
| 2018-01-08 | Geschke John (CLO and SVP Administration) | Sale | 1,493 | 35.17 | 52,510 |
| 2018-01-08 | Geschke John (CLO and SVP Administration) | Option Ex | 1,493 | 9.52 | 14,213 |
| 2018-01-05 | Geschke John (CLO and SVP Administration) | Sale | 320 | 35.00 | 11,200 |
| 2018-01-05 | Geschke John (CLO and SVP Administration) | Option Ex | 320 | 9.52 | 3,046 |
| 2018-01-04 | Geschke John (CLO and SVP Administration) | Sale | 2,400 | 35.05 | 84,112 |
| 2018-01-04 | Geschke John (CLO and SVP Administration) | Option Ex | 2,400 | 9.52 | 22,848 |
| 2018-01-03 | Geschke John (CLO and SVP Administration) | Sale | 787 | 35.05 | 27,584 |
| 2018-01-03 | Geschke John (CLO and SVP Administration) | Option Ex | 787 | 9.52 | 7,492 |
| 2017-12-20 | Gomez Elena (Chief Financial Officer) | Sale | 1,200 | 33.66 | 40,395 |
| 2017-12-20 | Mcdermott Adrian (President of Products) | Sale | 1,353 | 34.19 | 46,259 |
| 2017-12-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,151 | .00 | 0 |
| 2017-12-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 1,898 | .00 | 0 |
| 2017-12-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,064 | .00 | 0 |
| 2017-12-15 | Geschke John (CLO and SVP Administration) | Option Ex | 632 | .00 | 0 |
| 2017-12-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,117 | .00 | 0 |
| 2017-12-13 | Geschke John (CLO and SVP Administration) | Sale | 5,000 | 34.23 | 171,130 |
| 2017-12-13 | Geschke John (CLO and SVP Administration) | Option Ex | 5,000 | 6.24 | 31,200 |
| 2017-11-22 | Gomez Elena (Chief Financial Officer) | Sale | 8,079 | 35.00 | 282,765 |
| 2017-11-22 | Gomez Elena (Chief Financial Officer) | Option Ex | 8,079 | 23.44 | 189,371 |
| 2017-11-21 | Gomez Elena (Chief Financial Officer) | Sale | 2,921 | 35.00 | 102,235 |
| 2017-11-21 | Gomez Elena (Chief Financial Officer) | Option Ex | 1,921 | 23.44 | 45,028 |
| 2017-11-20 | Gomez Elena (Chief Financial Officer) | Sale | 1,200 | 34.40 | 41,283 |
| 2017-11-20 | Mcdermott Adrian (President of Products) | Sale | 1,679 | 34.39 | 57,740 |
| 2017-11-17 | Gomez Elena (Chief Financial Officer) | Sale | 404 | 34.27 | 13,845 |
| 2017-11-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,149 | .00 | 0 |
| 2017-11-15 | Svane Mikkel (Chairman and CEO) | Sale | 50,000 | 34.31 | 1,715,550 |
| 2017-11-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 1,897 | .00 | 0 |
| 2017-11-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,063 | .00 | 0 |
| 2017-11-15 | Geschke John (CLO and SVP Administration) | Option Ex | 630 | .00 | 0 |
| 2017-11-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,116 | .00 | 0 |
| 2017-11-14 | Geschke John (CLO and SVP Administration) | Sale | 273 | 35.00 | 9,555 |
| 2017-11-13 | Geschke John (CLO and SVP Administration) | Sale | 9,727 | 35.09 | 341,349 |
| 2017-11-13 | Geschke John (CLO and SVP Administration) | Option Ex | 10,000 | 7.88 | 78,800 |
| 2017-11-08 | Gomez Elena (Chief Financial Officer) | Sale | 17,845 | 35.00 | 624,628 |
| 2017-11-08 | Gomez Elena (Chief Financial Officer) | Option Ex | 17,067 | 23.44 | 400,050 |
| 2017-11-08 | Geschke John (CLO and SVP Administration) | Sale | 4,800 | 35.46 | 170,198 |
| 2017-11-08 | Geschke John (CLO and SVP Administration) | Option Ex | 4,800 | 9.52 | 45,696 |
| 2017-11-02 | Gomez Elena (Chief Financial Officer) | Sale | 13,155 | 35.00 | 460,425 |
| 2017-11-02 | Gomez Elena (Chief Financial Officer) | Option Ex | 12,933 | 23.44 | 303,149 |
| 2017-11-02 | Geschke John (CLO and SVP Administration) | Sale | 30,200 | 34.39 | 1,038,698 |
| 2017-11-02 | Geschke John (CLO and SVP Administration) | Option Ex | 30,200 | 7.88 | 237,976 |
| 2017-10-19 | Gomez Elena (Chief Financial Officer) | Sale | 1,200 | 30.10 | 36,123 |
| 2017-10-19 | Mcdermott Adrian (President of Products) | Sale | 1,767 | 30.10 | 53,186 |
| 2017-10-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,150 | .00 | 0 |
| 2017-10-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 1,898 | .00 | 0 |
| 2017-10-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,064 | .00 | 0 |
| 2017-10-15 | Geschke John (CLO and SVP Administration) | Option Ex | 632 | .00 | 0 |
| 2017-10-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,117 | .00 | 0 |
| 2017-09-20 | Gomez Elena (Chief Financial Officer) | Sale | 1,200 | 28.87 | 34,644 |
| 2017-09-20 | Mcdermott Adrian (President of Products) | Sale | 1,766 | 28.87 | 50,984 |
| 2017-09-15 | Cox Bryan (Chief Revenue Officer) | Option Ex | 4,401 | .00 | 0 |
| 2017-09-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,151 | .00 | 0 |
| 2017-09-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 1,898 | .00 | 0 |
| 2017-09-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,064 | .00 | 0 |
| 2017-09-15 | Geschke John (CLO and SVP Administration) | Option Ex | 631 | .00 | 0 |
| 2017-09-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,117 | .00 | 0 |
| 2017-09-11 | Geschke John (CLO and SVP Administration) | Sale | 10,000 | 29.33 | 293,310 |
| 2017-09-11 | Geschke John (CLO and SVP Administration) | Option Ex | 10,000 | 6.24 | 62,400 |
| 2017-08-30 | Marooney Caryn | Sale | 1,693 | 27.35 | 46,303 |
| 2017-08-30 | Marooney Caryn | Option Ex | 3,386 | 9.16 | 31,015 |
| 2017-08-18 | Mcdermott Adrian (President of Products) | Sale | 1,766 | 26.42 | 46,657 |
| 2017-08-15 | Cox Bryan (Chief Revenue Officer) | Option Ex | 4,399 | .00 | 0 |
| 2017-08-15 | Gomez Elena (Chief Financial Officer) | Sale | 1,431 | 27.05 | 38,715 |
| 2017-08-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,149 | .00 | 0 |
| 2017-08-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 1,898 | .00 | 0 |
| 2017-08-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,063 | .00 | 0 |
| 2017-08-15 | Geschke John (CLO and SVP Administration) | Option Ex | 632 | .00 | 0 |
| 2017-08-15 | Keiser John T. (Chief Operating Officer) | Option Ex | 3,116 | .00 | 0 |
| 2017-08-14 | Cox Bryan (Chief Revenue Officer) | Sale | 5,000 | 26.98 | 134,885 |
| 2017-08-07 | Svane Mikkel (Chairman and CEO) | Sale | 50,000 | 28.40 | 1,419,850 |
| 2017-08-07 | Keiser John T. (Chief Operating Officer) | Sale | 10,000 | 29.00 | 290,000 |
| 2017-07-31 | Marooney Caryn | Sale | 1,693 | 30.10 | 50,959 |
| 2017-07-31 | Marooney Caryn | Option Ex | 3,385 | 9.16 | 31,006 |
| 2017-07-20 | Mcdermott Adrian (President of Products) | Sale | 1,766 | 29.11 | 51,408 |
| 2017-07-19 | Geschke John (CLO and SVP Administration) | Sale | 5,000 | 29.02 | 145,110 |
| 2017-07-19 | Geschke John (CLO and SVP Administration) | Option Ex | 5,000 | 6.24 | 31,200 |
| 2017-07-15 | Cox Bryan (Chief Revenue Officer) | Option Ex | 4,400 | .00 | 0 |
| 2017-07-15 | Gomez Elena (Chief Financial Officer) | Option Ex | 3,150 | .00 | 0 |
| 2017-07-15 | Svane Mikkel (Chairman and CEO) | Option Ex | 1,899 | .00 | 0 |
| 2017-07-15 | Mcdermott Adrian (President of Products) | Option Ex | 3,063 | .00 | 0 |
| 2017-07-15 | Geschke John (CLO and SVP Administration) | Option Ex | 631 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises of ZEN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Zendesk, Inc. (symbol ZEN, CIK number 1463172) see the Securities and Exchange Commission (SEC) website.