Valentin Gapontsev Trust I, a 10% owner of IPG Photonics Corp, filed a Form 4 on November 4, 2026, disclosing the sale of a combined 20,652 shares of common stock on November 2 and November 3, 2026, under a Rule 10b5-1 trading plan.

Key Highlights

  • November 2 sale: Valentin Gapontsev Trust I disposed of 6,020 shares of common stock at a weighted average price of $75.18 per share, with individual sale prices ranging from $75.00 to $75.47 per share.
  • November 3 sale: An additional 14,632 shares were disposed of at a weighted average price of $75.18 per share, with individual sale prices ranging from $75.00 to $75.66 per share.
  • Remaining holdings: Following the two transactions, the trust directly held 6,622,234 shares of common stock, according to the filing.
  • 10b5-1 plan: Both sales were executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 17, 2026.
  • Reporting relationship: The trust is identified in the filing as a 10% owner of IPG Photonics Corp, listed on NASDAQ:IPGP.

Gapontsev Trust Executes Two-Day Sale of IPG Photonics Common Stock

According to the Form 4 filing, Valentin Gapontsev Trust I sold shares of IPG Photonics Corp common stock across two consecutive trading days under a pre-established Rule 10b5-1 trading plan. On November 2, 2026, the trust disposed of 6,020 shares, with transaction prices ranging from $75.00 to $75.47 per share and a weighted average price of $75.18. Following that sale, the trust held 6,636,866 shares directly.

On November 3, 2026, the trust disposed of an additional 14,632 shares, with individual sale prices ranging from $75.00 to $75.66 per share and a weighted average price again reported as $75.18. After this second transaction, the trust's direct beneficial ownership stood at 6,622,234 shares, as stated in the filing. All sales were coded as "S" transactions in Table I of the Form 4.

The filing notes that both sales were effected pursuant to a Rule 10b5-1 trading plan the trust adopted on March 17, 2026. The filing also states that the trust "undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price" for each day's transactions. The Form 4 was signed by Adam N. King as Attorney-in-Fact for Valentin Gapontsev Trust I and filed on November 4, 2026.

What Was Disclosed

Valentin Gapontsev Trust I reported the disposal of 20,652 shares of IPG Photonics common stock over two days at weighted average prices of $75.18 per share, executed under a 10b5-1 plan adopted March 17, 2026, leaving the trust with 6,622,234 shares directly held.