Quick Takeaways
- IDT - IDT CORP has 14 insiders with reported activity on this page.
- Net insider value flow over the last year: -$4,524,967.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 14 Insiders of IDT CORP
- Symbol
- IDT on NYSE
- Location
- Newark, NJ
What Changed
- Buy value: ; sell value: $4,524,967.
- Net share flow: -89,499.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$4,524,967.
Buys
$0
Shares: 0
Insiders: 0
Sells
$4,524,967
Shares: 89,499
Insiders: 5
Net
-$4,524,967
Shares: -89,499
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 28,204 | $0 | $1,435,715 | -$1,435,715 |
| 3-6 | 0 | 18,362 | $0 | $944,937 | -$944,937 |
| 6-9 | 0 | 42,133 | $0 | $2,090,691 | -$2,090,691 |
| 9-12 | 0 | 800 | $0 | $53,624 | -$53,624 |
IDT CORP executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Howard S. Jonas | Chairman, Director, 10%+ Owner | $126,008,578 | Mixed | 29 Dec 2025 | ||
| Samuel Jonas | Chief Executive Officer | $12,260,664 | Mixed | 30 Sep 2024 | ||
| Judah Schorr | Director | $6,576,463 | Mixed | 05 Jan 2026 | ||
| Joyce J. Mason | EVP and Corporate Secretary | $4,207,587 | -$125,964 | -2.9% | Mixed | 16 Apr 2026 |
| Marcelo Fischer | Chief Financial Officer | $2,971,677 | -$698,597 | -19% | Mixed | 14 Apr 2026 |
| Bill Pereira | COO & President, Director | $1,980,060 | -$2,454,044 | -55% | Mixed | 15 Jan 2026 |
| Menachem Ash | EVP of Strategic&Legal Affairs | $1,785,557 | Mixed | 14 Apr 2026 | ||
| Michael Chenkin | Director | $1,406,287 | Mixed | 05 Jan 2024 | ||
| Nadine Shea | EVP of GLOBAL HUMAN RESOURCES | $809,784 | Mixed | 18 Sep 2025 | ||
| Mitch Silberman | CAO & Controller | $239,460 | Mixed | 17 Mar 2025 | ||
| Irwin Katsof | Director | $122,169 | Mixed | 05 Jan 2026 | ||
| Eric F. Cosentino | Director | $52,713 | -$63,147 | -55% | Mixed | 05 Jan 2026 |
| David Wartell | Chief Technology Officer | $0 | Mixed | 18 Sep 2025 | ||
| Elaine S. Yatzkan | Director | Mixed | 13 Dec 2023 |
Top shareholders of IDT CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Howard S. Jonas |
3/4/5
|
Chairman, Director, 10%+ Owner |
—
mixed-class rows
|
4,105,127
mixed-class rows
|
$126,008,578 | — | 29 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
7.4%
|
1,729,572
|
$88,571,364 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.5%
|
1,298,086
|
$66,474,984 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
|
Company |
4.3%
|
1,011,027
|
$50,349,145 | $0 | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
4.1%
|
974,806
|
$49,919,815 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
559,849
|
$28,674,727 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.1%
|
489,236
|
$25,053,776 | — | 31 Dec 2025 | |
| KAHN BROTHERS GROUP INC |
13F
|
Company |
1.7%
|
392,011
|
$20,074,883 | — | 31 Dec 2025 | |
| COOKE & BIELER LP |
13F
|
Company |
1.7%
|
391,126
|
$20,029,562 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
1.6%
|
374,647
|
$19,185,673 | — | 31 Dec 2025 | |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC |
13F
|
Company |
1.4%
|
330,462
|
$17,012,194 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.3%
|
299,718
|
$15,348,559 | — | 31 Dec 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
1.2%
|
292,599
|
$14,983,995 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.2%
|
274,623
|
$14,063,444 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
1%
|
242,031
|
$12,394,408 | — | 31 Dec 2025 | |
| Samuel Jonas |
3/4/5
|
Chief Executive Officer |
—
mixed-class rows
|
375,652
mixed-class rows
|
$12,260,664 | — | 30 Sep 2024 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
1%
|
234,545
|
$12,011,050 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.96%
|
226,835
|
$11,616,254 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.87%
|
205,622
|
$10,514,000 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.73%
|
172,367
|
$8,826,914 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.7%
|
163,595
|
$8,377,700 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.66%
|
154,029
|
$7,887,826 | — | 31 Dec 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.62%
|
146,176
|
$7,486,000 | — | 31 Dec 2025 | |
| Cerity Partners LLC |
13F
|
Company |
0.6%
|
142,191
|
$7,281,601 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.58%
|
136,660
|
$6,998,337 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.57%
|
134,511
|
$6,888,000 | — | 31 Dec 2025 | |
| Judah Schorr |
3/4/5
|
Director |
0.55%
|
129,557
|
$6,576,463 | — | 05 Jan 2026 | |
| UBS Group AG |
13F
|
Company |
0.53%
|
124,505
|
$6,375,901 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.52%
|
122,591
|
$6,277,900 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.52%
|
122,221
|
$6,258,937 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.51%
|
119,813
|
$6,135,624 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.5%
|
116,519
|
$5,966,927 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.44%
|
104,331
|
$5,342,791 | — | 31 Dec 2025 | |
| CSM Advisors, LLC |
13F
|
Company |
0.44%
|
103,950
|
$5,321,000 | — | 31 Dec 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.41%
|
97,411
|
$4,988,415 | — | 31 Dec 2025 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
0.38%
|
89,370
|
$4,576,638 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.35%
|
82,558
|
$4,227,795 | — | 31 Dec 2025 | |
| Joyce J. Mason |
3/4/5
|
EVP and Corporate Secretary |
—
mixed-class rows
|
85,800
mixed-class rows
|
$4,207,587 | -$125,964 | 16 Apr 2026 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.32%
|
76,050
|
$3,894,501 | — | 31 Dec 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.31%
|
73,947
|
$3,786,826 | — | 31 Dec 2025 | |
| Pacer Advisors, Inc. |
13F
|
Company |
0.31%
|
71,765
|
$3,675,086 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.29%
|
68,552
|
$3,510,546 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.27%
|
64,058
|
$3,280,410 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.26%
|
61,205
|
$3,134,307 | — | 31 Dec 2025 | |
| Marcelo Fischer |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
86,812
mixed-class rows
|
$2,971,677 | -$698,597 | 14 Apr 2026 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
0.24%
|
56,221
|
$2,879,077 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.21%
|
49,945
|
$2,557,683 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.2%
|
46,741
|
$2,393,606 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.18%
|
42,162
|
$2,159,116 | — | 31 Dec 2025 | |
| Swiss National Bank |
13F
|
Company |
0.18%
|
42,000
|
$2,150,820 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for IDT CORP
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Sale | -6.86% | $46,206 | $50.94 | -907 | 12,305 | 16 Apr 2026 | By Self for Husband |
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Sale | -5.67% | $117,009 | $50.94 | -2,297 | 38,207 | 16 Apr 2026 | Direct |
| Menachem Ash | IDT | Class B Common Stock, $.01 par value per share | Sale | -38.3% | $1,020,000 | $51.00 | -20,000 | 32,243 | 14 Apr 2026 | Direct |
| Marcelo Fischer | IDT | Class B Common Stock, par value $.01 per share | Sale | -8.18% | $252,500 | $50.50 | -5,000 | 56,147 | 14 Apr 2026 | Direct |
| Menachem Ash | IDT | Class B Common Stock, $.01 par value per share | Tax liability | -0.66% | -347 | 52,243 | 17 Feb 2026 | Direct | ||
| Menachem Ash | IDT | Class B Common Stock, $.01 par value per share | Options Exercise | 1.61% | 834 | 52,590 | 17 Feb 2026 | Direct | ||
| Menachem Ash | IDT | Deferred Stock Units | Options Exercise | -16.7% | -834 | 4,166 | 17 Feb 2026 | Direct | ||
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Sale | -8.03% | $125,964 | $50.28 | -2,505 | 28,708 | 16 Jan 2026 | By Self for Son |
| Marcelo Fischer | IDT | Class B Common Stock, par value $.01 per share | Options Exercise | 9.3% | 5,204 | 61,147 | 16 Jan 2026 | Direct | ||
| Marcelo Fischer | IDT | Employee Stock Option (right to buy) | Options Exercise | -28.8% | -5,204 | 12,890 | 16 Jan 2026 | Direct | ||
| Bill Pereira | IDT | Class B Common Stock, $.01 par value per share | Sale | -17.2% | $372,876 | $51.17 | -7,287 | 35,213 | 15 Jan 2026 | Direct |
| Marcelo Fischer | IDT | Class B Common Stock, par value $.01 per share | Sale | -1.62% | $47,879 | $52.04 | -920 | 55,943 | 15 Jan 2026 | Direct |
| Marcelo Fischer | IDT | Class B Common Stock, par value $.01 per share | Sale | -11% | $364,702 | $52.03 | -7,009 | 56,863 | 14 Jan 2026 | Direct |
| Marcelo Fischer | IDT | Class B Common Stock, par value $.01 per share | Sale | -0.99% | $33,516 | $52.29 | -641 | 63,872 | 08 Jan 2026 | Direct |
| Irwin Katsof | IDT | Class B Common Stock, par value $.01 per share | Award | 69.3% | 986 | 2,408 | 05 Jan 2026 | Direct | ||
| Judah Schorr | IDT | Class B Common Stock, par value $.01 per share | Award | 0.81% | 986 | 122,425 | 05 Jan 2026 | Direct | ||
| Eric F. Cosentino | IDT | Class B Common Stock, $.01 par value per share | Award | 1860.4% | 986 | 1,039 | 05 Jan 2026 | Direct | ||
| Howard S. Jonas | IDT | Class B Common Stock, $.01 par value per share | Other | -46% | -97,163 | 114,106 | 29 Dec 2025 | By Debbie Y. Jonas 2018 Dynasty Trust | ||
| Howard S. Jonas | IDT | Class B Common Stock, $.01 par value per share | Gift | -1.86% | -1,150 | 60,701 | 17 Dec 2025 | Direct | ||
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Gift | 3.31% | 1,000 | 31,213 | 25 Nov 2025 | By Self for Son | ||
| Howard S. Jonas | IDT | Class B Common Stock, $.01 par value per share | Gift | -1.59% | -1,000 | 61,851 | 25 Nov 2025 | Direct | ||
| Eric F. Cosentino | IDT | Class B Common Stock, $.01 par value per share | Sale | -79% | $9,523 | $47.61 | -200 | 53 | 10 Oct 2025 | Direct |
| Bill Pereira | IDT | Class B Common Stock, $.01 par value per share | Sale | -49.7% | $2,081,168 | $49.63 | -41,933 | 42,500 | 02 Oct 2025 | Direct |
| Joyce J. Mason | IDT | Deferred Stock Units | Award | 2,000 | 2,000 | 18 Sep 2025 | Direct | |||
| David Wartell | IDT | Deferred Stock Units | Award | 5,000 | 5,000 | 18 Sep 2025 | Direct | |||
| Nadine Shea | IDT | Deferred Stock Units | Award | 2,000 | 2,000 | 18 Sep 2025 | Direct | |||
| Bill Pereira | IDT | Deferred Stock Units | Award | 15,000 | 15,000 | 18 Sep 2025 | Direct | |||
| Marcelo Fischer | IDT | Deferred Stock Units | Award | 15,000 | 15,000 | 18 Sep 2025 | Direct | |||
| Menachem Ash | IDT | Deferred Stock Units | Award | 5,000 | 5,000 | 18 Sep 2025 | Direct | |||
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Gift | 2.2% | 650 | 30,213 | 17 Jul 2025 | By Self for Son | ||
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Gift | 5.17% | 650 | 13,212 | 17 Jul 2025 | By Self for Husband | ||
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Gift | 1.63% | 650 | 40,504 | 17 Jul 2025 | Direct | ||
| Howard S. Jonas | IDT | Class B Common Stock, $.01 par value per share | Gift | -10.2% | -7,150 | 62,851 | 17 Jul 2025 | Direct | ||
| Howard S. Jonas | IDT | Class B Common Stock, $.01 par value per share | Gift | -1.69% | -1,200 | 70,001 | 15 Jul 2025 | Direct | ||
| Eric F. Cosentino | IDT | Class B Common Stock, $.01 par value per share | Sale | -76% | $53,624 | $67.03 | -800 | 253 | 16 Jun 2025 | Direct |
| Joyce J. Mason | IDT | Class B Common Stock, par value $.01 per share | Award | 35.1% | 7,685 | 29,563 | 28 Apr 2025 | By Self for Son | ||
| Menachem Ash | IDT | Class B Common Stock, par value $.01 per share | Tax liability | -0.13% | -66 | 51,756 | 28 Apr 2025 | Direct | ||
| Menachem Ash | IDT | Class B Common Stock, par value $.01 per share | Award | 0.35% | 181 | 51,822 | 28 Apr 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.