Yury Gryzlov, an officer of Grid Dynamics Holdings, Inc., filed a Form 144 notice on November 3, 2026, disclosing a proposed sale of 4,710 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services.

Key Highlights

  • Proposed sale: 4,710 shares of Grid Dynamics Holdings common stock with an aggregate market value of $63,820.50.
  • Seller: Yury Gryzlov, identified in the filing as an officer of the issuer.
  • Approximate sale date: November 3, 2026, to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services.
  • Shares outstanding: 80,370,132 shares of common stock outstanding, according to the filing.
  • 10b5-1 plan: The filing indicates a trading plan or instruction date of November 13, 2025.
  • Prior three-month sales: Six transactions reported, totaling 24,921 shares with combined gross proceeds of $225,106.33, based on figures listed in the filing.

Grid Dynamics Officer Files Proposed Sale Under Rule 144

Grid Dynamics Holdings, Inc. (NASDAQ:GDYN), headquartered in San Ramon, California, is the issuer identified in this Form 144 filing. The company, which provides digital engineering services, is listed on the NASDAQ exchange under SEC file number 001-38685. The proposed sale involves 4,710 shares of common stock acquired through restricted stock grants from the issuer on two separate dates: 2,520 shares acquired on February 4, 2024, and 2,190 shares acquired on November 4, 2022.

According to the filing, Gryzlov reported six prior sales of common stock during the three months preceding this notice. Those transactions occurred on August 13, 2026 (3,930 shares, $31,440.00); August 18, 2026 (467 shares, $3,516.51); September 3, 2026 (3,918 shares, $31,344.00); October 2, 2026 (1,245 shares, $10,532.70); October 8, 2026 (4,849 shares, $38,792.00); and October 30, 2026 (10,512 shares, $110,481.12). All sales are listed with Gryzlov's address at 6101 Bollinger Canyon Road, Suite 465, San Ramon, California 94583, which is also the issuer's address.

The filing states that the proposed sale is intended to be conducted through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004. The notice date is November 3, 2026, and the filing references a Rule 10b5-1 plan or instruction adopted on November 13, 2025. By signing the form, the filer represented that no material adverse information regarding the issuer's current and prospective operations that has not been publicly disclosed is known to the person named.

What Was Disclosed

This Form 144 notice discloses Yury Gryzlov's proposed sale of 4,710 shares of Grid Dynamics Holdings common stock, with an aggregate market value of $63,820.50, through a broker on November 3, 2026, under a 10b5-1 plan adopted November 13, 2025.