Former IDT (IDT) director exits with 2,408-share open-market sale

Rhea-AI Filing Summary

IDT CORP former director Irwin Katsof sold his remaining Class B Common Stock in an open-market transaction. On June 11, 2026, he sold 2,408 shares at an average price of $55.0272 per share. Following this sale, the filing shows he directly owns 0 shares of this class.

Insider Trade Summary

Net Seller: 2,408 shares ($132,505)

Net Sell 1 txn

Insider KATSOF IRWIN

Role null

Sold 2,408 shs ($133K)

Type	Security	Shares	Price	Value
Sale	Class B Common Stock, par value $.01 per share	2,408	$55.0272	$133K

Holdings After Transaction: Class B Common Stock, par value $.01 per share — 0 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 2,408 shares Average sale price: $55.0272 per share Shares owned after transaction: 0 shares +2 more

5 metrics

Shares sold 2,408 shares Class B Common Stock sold on June 11, 2026

Average sale price $55.0272 per share Open-market sale of Class B Common Stock

Shares owned after transaction 0 shares Direct holdings of Class B Common Stock post-sale

Transaction code S Sale in open market or private transaction

Transaction count 1 sale Non-derivative transactions in this Form 4

Key Terms

Class B Common Stock, open-market sale, non-derivative, transaction code S

4 terms

Class B Common Stock financial

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

A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

non-derivative financial

"transaction_type: non-derivative"

transaction code S regulatory

"transaction_code: S"

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

X

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KATSOF IRWIN

(Last) (First) (Middle)

C/O IDT CORPORATION

520 BROAD STREET

(Street)

NEWARK NEW JERSEY 07102

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
IDT CORP [ IDT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Former Director

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class B Common Stock, par value $.01 per share	06/11/2026		S		2,408	D	$55.0272	0	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Joyce J Mason, by Power of Attorney	06/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did IDT (IDT) disclose in this Form 4?

IDT CORP reported that former director Irwin Katsof completed an open-market sale of Class B Common Stock. He sold 2,408 shares and, after the transaction, the filing shows he directly holds 0 shares of this class.

How many IDT (IDT) shares did Irwin Katsof sell and at what price?

Irwin Katsof sold 2,408 shares of IDT CORP Class B Common Stock. The reported average sale price was approximately $55.0272 per share in an open-market transaction dated June 11, 2026, according to the Form 4 filing.

What is Irwin Katsof’s remaining IDT (IDT) Class B shareholding after this sale?

After the reported transaction, the Form 4 shows Irwin Katsof directly owns 0 shares of IDT CORP Class B Common Stock. This indicates the sale covered all of his directly held shares of this security class.

Was the IDT (IDT) insider trade an open-market sale or another type of transaction?

The Form 4 classifies the transaction as an open-market sale of non-derivative securities. It uses transaction code “S” and describes the action as a sale in open market or private transaction for Class B Common Stock.

Does the IDT (IDT) Form 4 involve any derivative securities or option exercises?

The disclosed Form 4 only reports a non-derivative transaction in Class B Common Stock. The derivative summary section is empty, indicating no options, warrants, or other derivative securities were exercised or converted in this particular filing.