GDYN insider plans sale of 3,930 shares

GDYN insider Yury Gryzlov filed a notice to sell up to 3,930 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services, with an anticipated sale date of 08/13/2026.

Rhea-AI Filing Summary

GDYN insider Yury Gryzlov filed a notice to sell up to 3,930 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services, with an anticipated sale date of 08/13/2026. The shares are identified as restricted stock originally issued by the company on 03/13/2022.

Over the prior three months, Gryzlov reported sales of common stock totaling several transactions: 1,245 shares on 07/02/2026 for $7,831.05, 4,435 shares on 06/01/2026 for $35,480.00, and 467 shares on 05/15/2026 for $3,012.15.

Key Figures

Planned shares to be sold: 3,930 shares Planned sale value: $31,440.00 Sale on 07/02/2026: 1,245 shares for $7,831.05 +4 more

7 metrics

Planned shares to be sold 3,930 shares Common stock listed under securities to be sold with anticipated sale date 08/13/2026

Planned sale value $31,440.00 Associated value for 3,930 GDYN common shares to be sold through Morgan Stanley Smith Barney LLC

Sale on 07/02/2026 1,245 shares for $7,831.05 Common stock sold by Yury Gryzlov during the past three months

Sale on 06/01/2026 4,435 shares for $35,480.00 Common stock sold by Yury Gryzlov during the past three months

Sale on 05/15/2026 467 shares for $3,012.15 Common stock sold by Yury Gryzlov during the past three months

Restricted stock grant date 03/13/2022 Restricted stock identified as issued by the issuer on this date

Trading market NASDAQ Market listed for the common stock to be sold

Key Terms

Restricted Stock, Executive Financial Services, Securities To Be Sold, Securities Sold During The Past 3 Months

4 terms

Restricted Stock financial

"Common | 03/13/2022 | Restricted Stock | ISSUER"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

Securities To Be Sold regulatory

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the GDYN insider plan to sell under this notice?

Yury Gryzlov plans to sell up to 3,930 shares of GDYN common stock through Morgan Stanley Smith Barney LLC Executive Financial Services, as indicated in the securities-to-be-sold section with an anticipated sale date of 08/13/2026.

How many GDYN shares has Yury Gryzlov sold in the past three months?

The filing lists three sales: 1,245 shares on 07/02/2026, 4,435 shares on 06/01/2026, and 467 shares on 05/15/2026. Each transaction involved GDYN common stock and includes corresponding dollar amounts received.

What dollar amounts did the recent GDYN share sales generate?

Reported sales by Yury Gryzlov generated $7,831.05 on 07/02/2026, $35,480.00 on 06/01/2026, and $3,012.15 on 05/15/2026. All amounts correspond to sales of GDYN common stock over the last three months.

How are the GDYN shares described in the securities information?

The shares are described as Common stock, held in connection with Morgan Stanley Smith Barney LLC Executive Financial Services, and as Restricted Stock issued by the issuer on 03/13/2022 under the securities information section.

On which market are the GDYN shares referenced in this filing traded?

The common shares referenced in the filing are stated as traded on NASDAQ. This is noted in the securities information section describing the common stock associated with the planned sale.

What is the aggregate value associated with the GDYN shares to be sold?

The securities-to-be-sold section lists 3,930 shares of GDYN common stock with an associated value of $31,440.00, linked to trading on NASDAQ and handled through Morgan Stanley Smith Barney LLC Executive Financial Services.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/13/2026 - 05:18 PM Accepted by SEC EDGAR 08/13/2026 - 05:17 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001805673
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	GRID DYNAMICS HOLDINGS, INC.
SEC File Number	001-38685
Address of Issuer	6101 Bollinger Canyon Road, Suite 465 San Ramon CALIFORNIA 94583
Phone	(650) 523-5000
Name of Person for Whose Account the Securities are To Be Sold	YURY GRYZLOV
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	3930	31440.00	81126881	08/13/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/13/2022	Restricted Stock	ISSUER			3930	03/13/2022	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
YURY GRYZLOV 6101 Bollinger Canyon Road, Suite 465 San Ramon CA 94583	Common	07/02/2026	1245	7831.05
YURY GRYZLOV 6101 Bollinger Canyon Road, Suite 465 San Ramon CA 94583	Common	06/01/2026	4435	35480.00
YURY GRYZLOV 6101 Bollinger Canyon Road, Suite 465 San Ramon CA 94583	Common	05/15/2026	467	3012.15

144: Remarks and Signature

Remarks
Date of Notice	08/13/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/13/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Yury Gryzlov
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)