| SC 13G/A | 2022-08-10 | Capital World Investors | Zendesk, Inc. | 15,146 | 0.0% | EDGAR |
| SC 13G/A | 2022-07-08 | Capital World Investors | Zendesk, Inc. | 6,629,208 | 5.4% | EDGAR |
| SC 13G/A | 2022-03-11 | BlackRock Inc. | Zendesk, Inc. | 6,674,928 | 5.5% | EDGAR |
| SC 13G/A | 2022-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | Zendesk, Inc. | 102,860 | 0.0% | EDGAR |
| SC 13G/A | 2022-02-11 | Capital World Investors | Zendesk, Inc. | 14,813,891 | 12.3% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | Zendesk, Inc. | 11,461,432 | 9.5% | EDGAR |
| SC 13G | 2022-02-08 | BlackRock Inc. | Zendesk, Inc. | 6,674,928 | 5.5% | EDGAR |
| SC 13G/A | 2021-12-17 | JANUS HENDERSON GROUP PLC | Zendesk, Inc. | 6,007,604 | 5.0% | EDGAR |
| SC 13G | 2021-11-10 | Capital World Investors | Zendesk, Inc. | 14,701,958 | 12.2% | EDGAR |
| SC 13G | 2021-02-12 | JANUS HENDERSON GROUP PLC | Zendesk, Inc. | 6,962,600 | 6.0% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | Zendesk, Inc. | 10,607,904 | 9.1% | EDGAR |
| SC 13G/A | 2021-02-05 | BlackRock Inc. | Zendesk, Inc. | 7,294,485 | 6.3% | EDGAR |
| SC 13G/A | 2021-01-11 | PRICE T ROWE ASSOCIATES INC /MD/ | Zendesk, Inc. | 7,892,161 | 6.7% | EDGAR |
| SC 13G/A | 2020-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | Zendesk, Inc. | 13,330,539 | 11.8% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | Zendesk, Inc. | 10,250,732 | 9.1% | EDGAR |
| SC 13G/A | 2020-02-10 | BlackRock Inc. | Zendesk, Inc. | 7,009,135 | 6.2% | EDGAR |
| SC 13G/A | 2020-02-07 | FMR LLC | Zendesk, Inc. | 5,602,558 | 5.0% | EDGAR |
| SC 13G/A | 2019-10-10 | PRICE T ROWE ASSOCIATES INC /MD/ | Zendesk, Inc. | 11,454,061 | 10.3% | EDGAR |
| SC 13G | 2019-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | Zendesk, Inc. | 6,085,422 | 5.6% | EDGAR |
| SC 13G/A | 2019-02-13 | FMR LLC | Zendesk, Inc. | 5,656,632 | 5.3% | EDGAR |