IDT Director Irwin Katsof resigns; William Conkling appointed to board

IDT CORP

Irwin Katsof resigned from the board on June 9, 2026; no disagreement cited.
Board appointed William Conkling as director, effective June 9, 2026.
Conkling, 55, is CCO of Protara Therapeutics; former CEO of Rafael Holdings.
He will chair Audit Committee and serve on Compensation and Governance committees.
Conkling deemed independent under NYSE and SEC standards.

item 5.02 item 9.01

Executive movements

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Departed

Irwin Katsof

Director

IDT · IDT CORP

Effective: 2026-06-09
Successor: William Conkling
Filed: June 11, 2026, 5:03 PM ET

On June 9 2026, Irwin Katsof notified IDT Corporation (the “Company”) of his resignation from the board of directors of the Company (the “Board”) and the respective committees of the Board on which he served.

Appointed

William Conkling

Director

IDT · IDT CORP

Effective: 2026-06-09
Filed: June 11, 2026, 5:03 PM ET

On June 9, 2026, the Board appointed William Conkling to the Board.

Key facts

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Executive change SEC 8-K Item 5.02 confidence 1.0

Irwin Katsof resigned as Director at IDT CORP.

Action: resigned
Role: Director

Exact text from the filing

On June 9 2026, Irwin Katsof notified IDT Corporation (the “Company”) of his resignation from the board of directors of the Company (the “Board”) and the respective committees of the Board on which he served.

View on SEC.gov

Executive change SEC 8-K Item 5.02 confidence 1.0

William Conkling was appointed as Director at IDT CORP.

Action: appointed
Role: Director

Exact text from the filing

On June 9, 2026, the Board appointed William Conkling to the Board.

View on SEC.gov

IDT CORP filing history →

Source: SEC EDGAR

accession 0001437749-26-020335

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