Grid Dynamics Holdings, Inc. Chief Operating Officer Yury Gryzlov filed a Form 4 on October 30, 2026, disclosing the sale of 10,512 shares of common stock under a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Reporting person: Yury Gryzlov, Chief Operating Officer of Grid Dynamics Holdings, Inc.
  • Transaction: 10,512 shares of common stock disposed of (transaction code S) on October 30, 2026
  • Sale price: $10.51 per share
  • Post-transaction ownership: 484,778 shares of common stock held directly following the reported transaction
  • Trading plan: Sale was made pursuant to a Rule 10b5-1 trading plan adopted by Gryzlov on November 13, 2025
  • Filing indicator: The form box for a Rule 10b5-1(c) compliant transaction was checked

Gryzlov's October 2026 Share Sale Under 10b5-1 Plan

According to the Form 4 filed with the U.S. Securities and Exchange Commission, Yury Gryzlov, identified as Chief Operating Officer of Grid Dynamics Holdings, Inc. (NASDAQ:GDYN), reported a single open-market sale of common stock on October 30, 2026. The filing states that 10,512 shares were disposed of at a price of $10.51 per share. The transaction was conducted directly, with ownership form listed as direct.

The filing discloses that the sale was made pursuant to a Rule 10b5-1 trading plan that Gryzlov adopted on November 13, 2025. The form indicates the applicable checkbox for a transaction "made pursuant to a contract, instruction or written plan" intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was checked. Following the reported sale, the filing states that Gryzlov beneficially owned 484,778 shares of Grid Dynamics common stock directly.

No derivative securities transactions were reported in Table II of the filing. The Form 4 was signed by Anil Doradla, by power of attorney, on October 30, 2026, the same date as the transaction.

What Was Disclosed

The filing reported the disposal of 10,512 shares of Grid Dynamics Holdings common stock by COO Yury Gryzlov at $10.51 per share on October 30, 2026, carried out under a Rule 10b5-1 plan adopted November 13, 2025, leaving him with 484,778 directly held shares.