As of May 14, 2026, the three largest insider holders of IDT are Howard S Jonas (Director, 2.07Mn shares), Howard S Jonas (Director, 2.07Mn shares), Howard S Jonas (Chairman, 1.81Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Howard S Jonas | - | 0 | 2,074,802 | 25 Apr, 2022 |
| Howard S Jonas | - | 0 | 2,074,802 | 25 Apr, 2022 |
| Howard S Jonas | Chairman | 0 | 1,811,711 | 19 May, 2023 |
| Howard S Jonas | Chairman | 0 | 1,811,711 | 19 May, 2023 |
| Howard S Jonas | Chairman | 0 | 1,574,326 | 18 Dec, 2023 |
| Howard S Jonas | Chairman | 0 | 1,574,326 | 18 Dec, 2023 |
| Howard S Jonas | - | 0 | 342,779 | 20 Jan, 2022 |
| Howard S Jonas | - | 0 | 342,779 | 20 Jan, 2022 |
| Howard S Jonas | Chairman | 0 | 211,269 | 26 Jul, 2024 |
| Howard S Jonas | Chairman | 0 | 211,269 | 26 Jul, 2024 |
| Samuel Jonas | Chief Executive Officer | 172,166 | 5,057 | 02 Jan, 2024 |
| Samuel Jonas | Chief Executive Officer | 172,166 | 5,057 | 02 Jan, 2024 |
| Judah Schorr | - | 122,425 | 0 | 07 Jan, 2026 |
| Judah Schorr | - | 122,425 | 0 | 07 Jan, 2026 |
| Howard S Jonas | Chairman | 0 | 114,106 | 30 Dec, 2025 |
| Howard S Jonas | Chairman | 0 | 114,106 | 30 Dec, 2025 |
| Bill Pereira | Coo President | 84,433 | 0 | 27 Feb, 2025 |
| Bill Pereira | Coo President | 84,433 | 0 | 27 Feb, 2025 |
| Howard S Jonas | Chairman | 0 | 78,016 | 19 Sep, 2023 |
| Howard S Jonas | Chairman | 0 | 78,016 | 19 Sep, 2023 |
| Howard S Jonas | Chairman | 60,701 | 0 | 19 Dec, 2025 |
| Howard S Jonas | Chairman | 60,701 | 0 | 19 Dec, 2025 |
| Marcelo Fischer | Chief Financial Officer | 56,147 | 0 | 16 Apr, 2026 |
| Joyce J Mason | Evp And Corporate Secretary | 40,504 | 13,212 | 21 Jul, 2025 |
| Menachem Ash | Evp Of Strategiclegal Affairs | 51,756 | 0 | 30 Apr, 2025 |
| Joyce J Mason | Evp And Corporate Secretary | 38,207 | 12,305 | 16 Apr, 2026 |
| Michael Chenkin | - | 41,514 | 0 | 08 Jan, 2024 |
| Bill Pereira | Coo President | 35,213 | 0 | 20 Jan, 2026 |
| Bill Pereira | Coo President | 35,213 | 0 | 20 Jan, 2026 |
| Menachem Ash | Evp Of Strategiclegal Affairs | 32,243 | 0 | 16 Apr, 2026 |
| Joyce J Mason | Evp And Corporate Secretary | 0 | 28,708 | 20 Jan, 2026 |
| Joyce J Mason | Evp And Corporate Secretary | 0 | 28,708 | 20 Jan, 2026 |
| Nadine Shea | Evp Of Global Human Resources | 9,225 | 0 | 27 Feb, 2025 |
| Nadine Shea | Evp Of Global Human Resources | 9,225 | 0 | 27 Feb, 2025 |
| Mitch Silberman | Cao Controller | 4,547 | 0 | 27 Feb, 2025 |
| Mitch Silberman | Cao Controller | 4,547 | 0 | 27 Feb, 2025 |
| Irwin Katsof | - | 2,408 | 0 | 07 Jan, 2026 |
| Irwin Katsof | - | 2,408 | 0 | 07 Jan, 2026 |
| Eric F. Cosentino | - | 1,781 | 0 | 08 Jan, 2024 |
| Eric F. Cosentino | - | 1,351 | 0 | 12 Apr, 2024 |
| Eric F. Cosentino | - | 1,039 | 0 | 07 Jan, 2026 |
| Howard S Jonas | Chairman | 80 | 0 | 18 Jun, 2024 |
| Howard S Jonas | Chairman | 80 | 0 | 18 Jun, 2024 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 14 Apr, 2026 | Marcelo Fischer | Class B Common Stock, par value $.01 per share | D | 5,000 | $50.50 | 56,147 | D | S |
| 16 Apr, 2026 | Joyce J Mason | Class B Common Stock, par value $.01 per share | D | 2,297 | $50.94 | 38,207 | D | S |
| 14 Apr, 2026 | Menachem Ash | Class B Common Stock, $.01 par value per share | D | 20,000 | $51.00 | 32,243 | D | S |
| 16 Apr, 2026 | Joyce J Mason | Class B Common Stock, par value $.01 per share | D | 907 | $50.94 | 12,305 | I | S |
| 17 Feb, 2026 | Menachem Ash | Class B Common Stock, $.01 par value per share | A | 834 | $48.45 | 52,590 | D | M |
| 17 Feb, 2026 | Menachem Ash | Class B Common Stock, $.01 par value per share | D | 347 | $48.45 | 52,243 | D | F |
| 17 Feb, 2026 | Menachem Ash | Deferred Stock Units | D | 834 | $0.00 | 4,166 | D | M |
| 15 Jan, 2026 | Bill Pereira | Class B Common Stock, $.01 par value per share | D | 7,287 | $51.17 | 35,213 | D | S |
| 15 Jan, 2026 | Bill Pereira | Class B Common Stock, $.01 par value per share | D | 7,287 | $51.17 | 35,213 | D | S |
| 16 Jan, 2026 | Joyce J Mason | Class B Common Stock, par value $.01 per share | D | 2,505 | $50.29 | 28,708 | I | S |
| 16 Jan, 2026 | Joyce J Mason | Class B Common Stock, par value $.01 per share | D | 2,505 | $50.29 | 28,708 | I | S |
| 14 Jan, 2026 | Marcelo Fischer | Class B Common Stock, par value $.01 per share | D | 7,009 | $52.03 | 56,863 | D | S |
| 15 Jan, 2026 | Marcelo Fischer | Class B Common Stock, par value $.01 per share | D | 920 | $52.04 | 55,943 | D | S |
| 16 Jan, 2026 | Marcelo Fischer | Class B Common Stock, par value $.01 per share | A | 5,204 | $38.43 | 61,147 | D | M |
| 16 Jan, 2026 | Marcelo Fischer | Employee Stock Option (right to buy) | D | 5,204 | $0.00 | 12,890 | D | M |
| 08 Jan, 2026 | Marcelo Fischer | Class B Common Stock, par value $.01 per share | D | 641 | $52.29 | 63,872 | D | S |
| 05 Jan, 2026 | Irwin Katsof | Class B Common Stock, par value $.01 per share | A | 986 | $50.74 | 2,408 | D | A |
| 05 Jan, 2026 | Irwin Katsof | Class B Common Stock, par value $.01 per share | A | 986 | $50.74 | 2,408 | D | A |
| 05 Jan, 2026 | Judah Schorr | Class B Common Stock, par value $.01 per share | A | 986 | $50.74 | 122,425 | D | A |
| 05 Jan, 2026 | Judah Schorr | Class B Common Stock, par value $.01 per share | A | 986 | $50.74 | 122,425 | D | A |