Yury Gryzlov, Chief Operating Officer of Grid Dynamics Holdings, Inc., filed a Form 4 on September 3, 2026, disclosing the sale of 3,918 shares of common stock pursuant to a Rule 10b5-1 trading plan.

Key Highlights

  • Shares sold: Gryzlov disposed of 3,918 shares of Grid Dynamics common stock on September 3, 2026.
  • Sale price: The shares were sold at $8 per share.
  • Remaining ownership: Following the transaction, Gryzlov directly holds 503,070 shares.
  • Pre-arranged plan: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by Gryzlov on November 13, 2025.
  • Transaction code: The filing records the transaction under code "S" (sale), with shares marked as disposed (D).

Grid Dynamics COO Gryzlov Discloses Planned Share Sale on September 3, 2026

According to the Form 4 filed with the SEC, Yury Gryzlov, the Chief Operating Officer of Grid Dynamics Holdings, Inc. (NASDAQ:GDYN), sold 3,918 shares of the company's common stock on September 3, 2026, at a price of $8 per share. The filing indicates the transaction was a direct disposition, recorded under transaction code "S."

The filing discloses that the shares were sold pursuant to a Rule 10b5-1 trading plan that Gryzlov adopted on November 13, 2025. Rule 10b5-1 plans allow corporate insiders to establish pre-arranged instructions for securities transactions at a time when they are not in possession of material non-public information. The Form 4 box confirming the transaction was made under such a plan is checked in the filing.

Following the reported sale, Gryzlov's direct beneficial ownership stands at 503,070 shares of Grid Dynamics common stock, according to the filing. No derivative securities transactions were reported. The form was signed by Anil Doradla acting under a power of attorney, and was dated September 3, 2026.

What Was Disclosed

The filing reports the sale of 3,918 shares of Grid Dynamics common stock by COO Yury Gryzlov at $8 per share on September 3, 2026, under a pre-established Rule 10b5-1 plan, leaving him with direct ownership of 503,070 shares.