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About IDT CORP (IDT)
IDT CORP files with the SEC under CIK 0001005731 and is classified as telephone communications (no radiotelephone). It is grouped with Communication Services companies on this site.
IDT Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 8 | 17,468 | $1.19M |
| Tax withholding / forfeiture | 1 | 367 | |
| Bona-fide gift | 1 | 1,165 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
IDT insider transactions (Form 4)
4358 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Joyce J. Mason - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 1,150 | $80.50 | $93K | |
| Mitch Silberman - Officer | Tax withholding / forfeiture | Class B Common Stock, par value $.01 per share | 367 footnote F1 | $79.48 | $29K | |
| ||||||
| Eric F. Cosentino - Director | Open-market sale | Class B Common Stock, $.01 par value per share | 500 | $78.55 | $39K | |
| Nadine Shea - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 400 | $78.04 | $31K | |
| Mitch Silberman - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 3,375 | $79.37 | $268K | |
 Howard S. Jonas - Officer | Gift | Class B Common Stock, $.01 par value per share | 1,165 | $0.00 | - | |
| Joyce J. Mason - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 3,488 | $62.56 | $218K | |
| Joyce J. Mason - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 505 | $62.58 | $32K | |
 Menachem Ash - Officer | Open-market sale | Class B Common Stock, $.01 par value per share | 4,397 | $63.02 | $277K | |
| Menachem Ash - Officer | Open-market sale | Class B Common Stock, $.01 par value per share | 3,653 | $63.17 | $231K | |
| Eric F. Cosentino | Open-market sale | Class B Common Stock, $.01 par value per share | 500 | $57.78 | $29K | |
 Marcelo Fischer - Officer | Open-market sale | Class B Common Stock, $.01 par value per share | 23,323 | $56.98 | $1.33M | |
| Howard S. Jonas - Officer | Gift | Class B Common Stock, $.01 par value per share | 2,217 | $0.00 | - | |
| Irwin Katsof | Open-market sale | Class B Common Stock, par value $.01 per share | 2,408 | $55.03 | $133K | |
| William Conkling | Grant or award | Class B Common Stock, $.01 par value per share | 673 footnote F1 | $55.75 | $38K | |
| ||||||
| Nadine Shea - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 500 | $55.32 | $28K | |
| Joyce J. Mason - Officer | Gift | Class B Common Stock, par value $.01 per share | 722 | $0.00 | - | |
| Joyce J. Mason - Officer | Gift | Class B Common Stock, par value $.01 per share | 722 | $0.00 | - | |
| Joyce J. Mason - Officer | Gift | Class B Common Stock, par value $.01 per share | 722 | $0.00 | - | |
| Howard S. Jonas - Officer | Gift | Class B Common Stock, $.01 par value per share | 2,214 | $0.00 | - | |
| Howard S. Jonas - Officer | Gift | Class B Common Stock, $.01 par value per share | 600 | $0.00 | - | |
| Howard S. Jonas - Officer | Gift | Class B Common Stock, $.01 par value per share | 1,175 | $0.00 | - | |
| Howard S. Jonas - Officer | Gift | Class B Common Stock, $.01 par value per share | 7,942 | $0.00 | - | |
| Menachem Ash - Officer | Open-market sale | Class B Common Stock, $.01 par value per share | 20,000 | $51.00 | $1.02M | |
| Joyce J. Mason - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 907 | $50.94 | $46K | |
| Joyce J. Mason - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 2,297 | $50.94 | $117K | |
| Marcelo Fischer - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 5,000 | $50.50 | $253K | |
| Menachem Ash - Officer | Option exercise | Class B Common Stock, $.01 par value per share | 834 footnote F1 | $48.45 | $40K | |
| Menachem Ash - Officer | Tax withholding / forfeiture | Class B Common Stock, $.01 par value per share | 347 footnote F3 | $48.45 | $17K | |
| Menachem Ash - Officer | Option exercise | Deferred Stock Units | 834 | $0.00 | - | |
| ||||||
| Joyce J. Mason - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 2,505 | $50.29 | $126K | |
 Bill Pereira - Officer | Open-market sale | Class B Common Stock, $.01 par value per share | 7,287 | $51.17 | $373K | |
| Marcelo Fischer - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 7,009 | $52.03 | $365K | |
| Marcelo Fischer - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 920 | $52.04 | $48K | |
| Marcelo Fischer - Officer | Option exercise | Class B Common Stock, par value $.01 per share | 5,204 | $38.43 | $200K | |
| Marcelo Fischer - Officer | Option exercise | Employee Stock Option (right to buy) | 5,204 | $0.00 | - | |
| Marcelo Fischer - Officer | Open-market sale | Class B Common Stock, par value $.01 per share | 641 | $52.29 | $34K | |
| Irwin Katsof | Grant or award | Class B Common Stock, par value $.01 per share | 986 | $50.74 | $50K | |
 Judah Schorr | Grant or award | Class B Common Stock, par value $.01 per share | 986 | $50.74 | $50K | |
| Eric F. Cosentino | Grant or award | Class B Common Stock, $.01 par value per share | 986 | $50.74 | $50K | |
| Howard S. Jonas - Officer | Other | Class B Common Stock, $.01 par value per share | 97,163 | $0.00 | - | |
| Howard S. Jonas - Officer | Gift | Class B Common Stock, $.01 par value per share | 1,150 | $0.00 | - | |
| Joyce J. Mason - Officer | Gift | Class B Common Stock, par value $.01 per share | 1,000 | $0.00 | - | |
Item 2.02, 9.01
Item 7.01, 8.01, 9.01
Item 1.01, 9.01
Item 5.02, 9.01
Recent IDT Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| MITCH SILBERMAN | Officer | 805 | $66K | View on EDGAR | |
| JONATHAN MASON | Spouse of Affiliate | 1,150 |
IDT insider trading FAQ
What is the latest insider trade for IDT?
IDT CORP (IDT) had 8 insider filings in the last 90 days, with the most recent on 2026-10-09. The full record for IDT runs to 58 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying IDT stock?
No insider purchases of IDT were filed in the last 90 days.
How many insiders are selling IDT stock?
8 insider sales of IDT were filed in the last 90 days, totaling $1.19M.
Where can I see IDT SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects IDT Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Communication Services companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Joyce J. Mason view on EDGAR
- - Mitch Silberman view on EDGAR
- - Eric F. Cosentino view on EDGAR
- - Nadine Shea view on EDGAR
- - Mitch Silberman view on EDGAR
- - Howard S. Jonas view on EDGAR
- - Joyce J. Mason view on EDGAR
- - Menachem Ash view on EDGAR
- - Eric F. Cosentino view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Communication Services
- Where IDT's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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