IDT's three largest insider shareholders as of April 17, 2026 are Howard S Jonas (Director, 2.07Mn shares), Howard S Jonas (Chairman, 1.81Mn shares), Howard S Jonas (Chairman, 1.57Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| 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 | 1,574,326 | 18 Dec, 2023 |
| Howard S Jonas | - | 0 | 342,779 | 20 Jan, 2022 |
| Howard S Jonas | Chairman | 0 | 211,269 | 26 Jul, 2024 |
| Samuel Jonas | Chief Executive Officer | 172,166 | 5,057 | 02 Jan, 2024 |
| Judah Schorr | - | 122,425 | 0 | 07 Jan, 2026 |
| Howard S Jonas | Chairman | 0 | 114,106 | 30 Dec, 2025 |
| Bill Pereira | Coo President | 84,433 | 0 | 27 Feb, 2025 |
| Howard S Jonas | Chairman | 0 | 78,016 | 19 Sep, 2023 |
| Marcelo Fischer | Chief Financial Officer | 61,147 | 0 | 16 Jan, 2026 |
| Howard S Jonas | Chairman | 60,701 | 0 | 19 Dec, 2025 |
| Joyce J Mason | Evp And Corporate Secretary | 40,504 | 13,212 | 21 Jul, 2025 |
| Menachem Ash | Evp Of Strategiclegal Affairs | 52,243 | 0 | 19 Feb, 2026 |
| Menachem Ash | Evp Of Strategiclegal Affairs | 51,756 | 0 | 30 Apr, 2025 |
| Michael Chenkin | - | 41,514 | 0 | 08 Jan, 2024 |
| Bill Pereira | Coo President | 35,213 | 0 | 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 |
| Mitch Silberman | Cao Controller | 4,547 | 0 | 27 Feb, 2025 |
| 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 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 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 |
| 16 Jan, 2026 | Joyce J Mason | Class B Common Stock, par value $.01 per share | D | 2,505 | $50.29 | 28,708 | I | S |
| 15 Jan, 2026 | Bill Pereira | Class B Common Stock, $.01 par value per share | D | 7,287 | $51.17 | 35,213 | D | 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 | Judah Schorr | Class B Common Stock, par value $.01 per share | A | 986 | $50.74 | 122,425 | 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 | Eric F. Cosentino | Class B Common Stock, $.01 par value per share | A | 986 | $50.74 | 1,039 | D | A |
| 29 Dec, 2025 | Howard S Jonas | Class B Common Stock, $.01 par value per share | D | 97,163 | $0.00 | 114,106 | I | J |
| 17 Dec, 2025 | Howard S Jonas | Class B Common Stock, $.01 par value per share | D | 1,150 | $0.00 | 60,701 | D | G |
| 25 Nov, 2025 | Joyce J Mason | Class B Common Stock, par value $.01 per share | A | 1,000 | $0.00 | 31,213 | I | G |
| 25 Nov, 2025 | Howard S Jonas | Class B Common Stock, $.01 par value per share | D | 1,000 | $0.00 | 61,851 | D | G |
| 10 Oct, 2025 | Eric F. Cosentino | Class B Common Stock, $.01 par value per share | D | 200 | $47.61 | 53 | D | S |
| 02 Oct, 2025 | Bill Pereira | Class B Common Stock, $.01 par value per share | D | 41,933 | $49.63 | 42,500 | D | S |
| 18 Sep, 2025 | David Wartell | Deferred Stock Units | A | 5,000 | $0.00 | 5,000 | D | A |