Mitch Silberman - 13 Oct 2026 Form 4 Insider Report for IDT CORP (IDT)

Reporting relationship: CAO & Controller
Issuer ticker: IDT
Reported as of: 13 Oct 2026
Net transaction value: -$254,679
SEC form: 4
Accepted by SEC: 15 Oct 2026, 16:58:49 UTC
Prior SEC filing: 09 Oct 2026
Source filing: View source filing
Reporting owner signature: Joyce J. Mason, by Power of Attorney

Filing notes and source

Key filing fact

Mitch Silberman filed Form 4 for IDT CORP (IDT) on 15 Oct 2026.

Key facts

This page summarizes Mitch Silberman's Form 4 filing for IDT CORP (IDT).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 Oct 2026, 16:58.

Change

Previous filing in this sequence was filed on 09 Oct 2026.
Current net transaction value: -$254,679.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001365233 Primary reporting owner

SILBERMAN MITCH

Relationship: CAO & Controller
Address: C/O IDT CORPORATION, 520 BROAD STREET, NEWARK
Signature: Joyce J. Mason, by Power of Attorney
Signature date: 15 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IDT transaction

Class B Common Stock, par value $.01 per share

Sale

Transaction value: $66,123
Shares: -805
Change %: -100%
Price: $82.14
Shares after: 0
Date: 13 Oct 2026
Ownership: Direct

IDT transaction

Class B Common Stock, par value $.01 per share

Options Exercise

Transaction value
Shares: +3,474
Change %
Price: $81.82^*
Shares after: 3,474
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F2

IDT transaction

Class B Common Stock, par value $.01 per share

Tax liability

Transaction value
Shares: -1,147
Change %: -33%
Price: $81.82^*
Shares after: 2,327
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F2, F3

IDT transaction

Class B Common Stock, par value $.01 per share

Sale

Transaction value: $188,556
Shares: -2,327
Change %: -100%
Price: $81.03
Shares after: 0
Date: 15 Oct 2026
Ownership: Direct

IDT holding

Class B Common Stock, par value $.01 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 68
Date: 13 Oct 2026
Ownership: By 401(k) Plan
Footnotes: F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IDT transaction Derivative

Deferred Stock Units

Options Exercise

Transaction value
Shares: -1,737
Change %: -67%
Price: $0.000000^*
Shares after: 868
Date: 15 Oct 2026
Ownership: Direct
Underlying class: Class B Common Stock
Underlying amount: 3,474
Exercise price
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Under the terms of the IDT Corporation Equity Growth Program, due to the market price of the Issuer's Class B common stock in the period prior to the October 15, 2026 vesting date, each of the 1,737 deferred stock units ("DSUs") that vested entitled the Reporting Person to receive 2.0 shares of Class B common stock.

Footnote F2

Consists of shares of Class B common stock issued upon the vesting of DSUs.

Footnote F3

Represents shares withheld by the Issuer for tax purposes upon the vesting of DSUs.

Footnote F4

As of September 30, 2026.

Footnote F5

Represents 1,737 DSUs that vested on 10/15/2026. The 3,474 shares of Class B common stock that were issued is equal to 2.0 shares per vested DSU and was based on a December 2, 2024 grant of 2,344 DSUs which entitled the Reporting Person the right to receive between 1/2 of a share and 2 shares of the Issuer's Class B common stock.