As of April 28, 2026, the three largest insider holders of ZD are Vivek Shah (Chief Executive Officer, 360.28K shares), R Scott Turicchi (President And Cfo, 234.89K shares), Vivek Shah (Chief Executive Officer, 231.73K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Vivek Shah | Chief Executive Officer | 0 | 360,282 | 09 Mar, 2026 |
| R Scott Turicchi | President And Cfo | 234,891 | 0 | 14 Sep, 2021 |
| Vivek Shah | Chief Executive Officer | 231,732 | 0 | 22 Nov, 2024 |
| Vivek Shah | Chief Executive Officer | 220,414 | 0 | 03 Jan, 2025 |
| Jon Miller | - | 168,659 | 0 | 11 May, 2023 |
| Vivek Shah | Chief Executive Officer | 0 | 120,000 | 01 Jun, 2023 |
| Bret Richter | Chief Financial Officer | 47,244 | 0 | 09 Mar, 2026 |
| Sarah Ann Fay | - | 23,619 | 0 | 15 Sep, 2025 |
| Jeremy Rossen | Evp/General Counsel | 21,969 | 0 | 09 Mar, 2026 |
| Sarah Ann Fay | - | 18,655 | 0 | 04 Mar, 2025 |
| W Brian Kretzmer | - | 16,578 | 0 | 09 May, 2025 |
| Bret Richter | Chief Financial Officer | 16,339 | 0 | 05 Mar, 2025 |
| Scott C Taylor | - | 14,258 | 0 | 09 May, 2025 |
| Bret Richter | Chief Financial Officer | 13,584 | 0 | 03 Jan, 2025 |
| Teresa A Harris | - | 12,843 | 0 | 09 May, 2025 |
| Jeremy Rossen | Evp/General Counsel | 11,423 | 0 | 22 Nov, 2023 |
| Teresa A Harris | - | 11,153 | 0 | 28 Aug, 2024 |
| Teresa A Harris | - | 9,233 | 0 | 27 Feb, 2025 |
| Jeremy Rossen | Evp/General Counsel | 9,208 | 0 | 08 Mar, 2024 |
| Jeremy Rossen | Evp/General Counsel | 8,603 | 0 | 05 Mar, 2024 |
| Steve P. Dunn | Chief Accounting Officer | 8,202 | 0 | 15 Mar, 2022 |
| Jana Barsten | - | 7,957 | 0 | 09 May, 2025 |
| Neville R Ray | - | 6,666 | 0 | 09 May, 2025 |
| Kirk P Mcdonald | - | 6,640 | 0 | 09 May, 2025 |
| Richard S Ressler | - | 6,606 | 0 | 10 May, 2022 |
| Layth Taki | Chief Accounting Officer | 3,341 | 0 | 12 Mar, 2024 |
| Pamela Sutton-Wallace | - | 2,855 | 0 | 04 Oct, 2021 |
| Lori A. Tansley | Chief Accounting Officer | 2,167 | 0 | 09 Mar, 2026 |
| Jeremy Rossen | Evp/General Counsel | 0 | 2,000 | 05 Mar, 2025 |
| Steve P. Dunn | Chief Accounting Officer | 224 | 0 | 22 Nov, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 11 Mar, 2026 | Bret Richter | Restricted Stock Units | A | 42,977 | $0.00 | 42,977 | D | A |
| 11 Mar, 2026 | Lori A. Tansley | Restricted Stock Units | A | 7,368 | $0.00 | 7,368 | D | A |
| 11 Mar, 2026 | Jeremy Rossen | Restricted Stock Units | A | 22,717 | $0.00 | 22,717 | D | A |
| 11 Mar, 2026 | Vivek Shah | Restricted Stock Units | A | 122,790 | $0.00 | 122,790 | D | A |
| 06 Mar, 2026 | Vivek Shah | Common Stock $0.01 Par Value | A | 23,674 | $0.00 | 372,367 | I | M |
| 05 Mar, 2026 | Jeremy Rossen | Common Stock, $0.01 par value | A | 8,078 | $0.00 | 25,988 | D | M |
| 05 Mar, 2026 | Lori A. Tansley | Common Stock, $0.01 par value | A | 2,183 | $0.00 | 3,072 | D | M |
| 06 Mar, 2026 | Jeremy Rossen | Common Stock, $0.01 par value | A | 3,302 | $0.00 | 21,993 | D | M |
| 06 Mar, 2026 | Bret Richter | Common Stock, $0.01 par value | A | 8,722 | $0.00 | 50,270 | D | M |
| 05 Mar, 2026 | Vivek Shah | Common Stock $0.01 Par Value | A | 43,664 | $0.00 | 370,832 | I | M |
| 05 Mar, 2026 | Bret Richter | Common Stock, $0.01 par value | A | 15,282 | $0.00 | 49,780 | D | M |
| 05 Mar, 2026 | Bret Richter | Common Stock, $0.01 par value | D | 8,232 | $43.65 | 41,548 | D | F |
| 06 Mar, 2026 | Bret Richter | Common Stock, $0.01 par value | D | 4,674 | $42.32 | 45,596 | D | F |
| 05 Mar, 2026 | Lori A. Tansley | Common Stock, $0.01 par value | D | 905 | $43.65 | 2,167 | D | F |
| 05 Mar, 2026 | Vivek Shah | Common Stock $0.01 Par Value | D | 22,139 | $43.65 | 348,693 | I | F |
| 06 Mar, 2026 | Vivek Shah | Common Stock $0.01 Par Value | D | 12,085 | $42.32 | 360,282 | I | F |
| 05 Mar, 2026 | Jeremy Rossen | Common Stock, $0.01 par value | D | 2,950 | $43.65 | 23,038 | D | F |
| 06 Mar, 2026 | Jeremy Rossen | Common Stock, $0.01 par value | D | 1,184 | $42.32 | 20,809 | D | F |
| 05 Mar, 2026 | Lori A. Tansley | Restricted Stock Units | D | 2,183 | $0.00 | 4,367 | D | M |
| 05 Mar, 2026 | Bret Richter | Restricted Stock Units | D | 15,282 | $0.00 | 30,566 | D | M |