Grid Dynamics (NASDAQ: GDYN) COO has 1,686 shares withheld for tax obligations

Rhea-AI Filing Summary

GRID DYNAMICS HOLDINGS, INC. chief operating officer Yury Gryzlov reported a routine tax-related share disposition. On April 1, 2026, 1,686 shares of common stock were withheld by the company at $5.64 per share to cover tax obligations from net settlement of restricted stock units.

These shares were not sold in the open market but retained by the issuer to satisfy withholding and remittance requirements. After this transaction, Gryzlov directly held 521,727 shares of common stock, indicating the disposition was small relative to his overall position.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Gryzlov Yury

Role CHIEF OPERATING OFFICER

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	1,686	$5.64	$10K

Holdings After Transaction: Common Stock — 521,727 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 1,686 shares Withholding price per share: $5.64 per share Shares held after transaction: 521,727 shares

3 metrics

Shares withheld for taxes 1,686 shares Withheld to satisfy tax obligations on RSU net settlement

Withholding price per share $5.64 per share Value applied to withheld common shares

Shares held after transaction 521,727 shares Direct GDYN common stock position after tax withholding

Key Terms

restricted stock units, tax withholding, net settlement, Form 4

4 terms

restricted stock units financial

"in connection with net settlement of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding financial

"withheld by the Issuer to satisfy tax withholding and remittance obligations"

Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.

net settlement financial

"in connection with net settlement of restricted stock units"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gryzlov Yury

(Last) (First) (Middle)

C/O GRID DYNAMICS HOLDINGS, INC.

6101 BOLLINGER CANYON ROAD, SUITE 465

(Street)

SAN RAMON CALIFORNIA 94583

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
GRID DYNAMICS HOLDINGS, INC. [ GDYN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF OPERATING OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/01/2026		F		1,686(1)	D	$5.64	521,727	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with net settlement of restricted stock units.

Remarks:

	/s/Anil Doradla, by power of attorney	04/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did GDYN executive Yury Gryzlov report in this Form 4 filing?

Yury Gryzlov reported that 1,686 GDYN common shares were withheld to cover taxes on restricted stock units. The issuer retained these shares for tax remittance, and no open-market sale occurred as part of this routine compensation-related transaction.

Was the GDYN COO’s Form 4 transaction an open-market stock sale?

No, the Form 4 shows shares withheld for tax obligations, not an open-market sale. The issuer took 1,686 shares at $5.64 per share to satisfy withholding tied to restricted stock unit settlement.

How many GRID DYNAMICS (GDYN) shares were withheld for taxes?

A total of 1,686 GDYN common shares were withheld. The company used these shares to meet tax withholding and remittance requirements associated with net settlement of restricted stock units granted to the chief operating officer.

What is Yury Gryzlov’s GDYN shareholding after this Form 4 event?

After the tax-withholding disposition, Yury Gryzlov directly held 521,727 GDYN common shares. This shows that the 1,686 shares withheld for taxes were small compared with his remaining equity position in the company.

What price per share was used for the GDYN tax-withholding shares?

The withheld GDYN shares were valued at $5.64 per share in the Form 4. This price was applied to 1,686 common shares that the issuer retained to satisfy tax liabilities from restricted stock unit settlement.