IDT Insider Irwin Katsof Sells $133K of Stock

Irwin Katsof sold IDT shares worth $132,512.24 as the stock trades at $54.63.

Reviewed by automated data checks against the source filing. How we make and check alerts

Irwin Katsof sold 2,408 shares of IDT Corporation ($IDT) at an average price of $55.03, worth about $132,512.24, on June 11, 2026. The trade was reported to the SEC in a Form 4 filing.

Since the trade, $IDT is up 0.7% after 1 week, up 11.6% after 1 month and up 46.7% to date (from the $54.99 close on Jun 11, 2026).

Find the original: IDT Form 4 filings on SEC EDGAR

IDT IDT Corporation
$80.67 +60.09% year to date
Daily close · Oct 16, 2026

Key Points

  • Irwin Katsof sold 2,408 shares of IDT on June 11, 2026, at an average price of $55.03, totaling $132,512.24.
  • IDT shares are currently trading at $54.63, with significant institutional activity observed among major funds.
  • BlackRock and Geode Capital increased their IDT holdings, while Renaissance Technologies and Dimensional Fund Advisors reduced theirs.

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On June 11, 2026, Irwin Katsof sold 2,408 shares of IDT at an average price of $55.03 each, totaling $132,512.24. This transaction was not part of a pre-arranged trading plan.

Other Institutional Activity in IDT

BlackRock, Inc. increased its holdings in IDT by 44,386 shares, bringing its total to 1,773,958 shares valued at about $87.1 million. Geode Capital Management, LLC also bolstered its position, adding 44,879 shares to hold 604,728 shares worth approximately $29.7 million. Conversely, Renaissance Technologies LLC trimmed its stake by 28,793 shares, ending with 946,013 shares valued at $46.4 million. Dimensional Fund Advisors LP also reduced its holdings, selling 18,221 shares to hold 788,047 shares, valued at $38.7 million.

IDT Corporation Stock Down 33.6%

Shares of IDT are trading around $54.63. The stock has seen active trading among major institutional investors, reflecting varied strategies in their holdings.

Insider Buying and Selling at IDT Corporation

Alongside Irwin Katsof's recent sale, several other insider transactions occurred. On June 9, William Conkling bought 673 shares at $55.75. Nadine Shea, EVP of Global Human Resources, sold 500 shares at $55.32 on June 8. On May 7, Joyce Mason, EVP and Corporate Secretary, purchased 2,166 shares without a specified price. Howard Jonas, Chairman, made two sales on May 5 and May 7, totaling 9,117 shares, also without a specified price.

Bottom Line

Irwin Katsof's sale of IDT shares is part of a broader pattern of insider transactions and institutional trading activity. While IDT's stock price hovers around $54.63, the movements by major funds and insiders provide a snapshot of current market sentiment. Keep in mind that insider transactions can occur for various reasons and don't necessarily indicate future stock performance.

Source: Irwin Katsof's Form 4 filing on $IDT (Jun 11, 2026). Find the original filing: IDT Form 4 filings on SEC EDGAR. Written by software, not financial advice. How we make alerts

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