Tax withholding slightly trims spouse-held Grid Dynamics (GDYN) shares

Rhea-AI Filing Summary

GRID DYNAMICS HOLDINGS, INC. director and CEO Leonard Livschitz reported a small, non-market share disposition tied to tax obligations. On settlement of restricted stock units granted on February 14, 2025, 236 shares of common stock were withheld by the company at a price of $6.45 per share to cover tax withholding and remittance. These shares are held indirectly through the reporting person’s spouse. After this tax-withholding event, indirect holdings stand at 11,422 common shares, while a separate holding entry shows 3,391,496 common shares held directly. The filing reflects routine equity-based compensation and related tax settlement rather than an open-market sale.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Livschitz Leonard

Role CHIEF EXECUTIVE OFFICER

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	236	$6.45	$2K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 11,422 shares (Indirect, See footnote); Common Stock — 3,391,496 shares (Direct, null)

Footnotes (1)

1. Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the settlement of restricted stock units granted to the Reporting Person on February 14, 2025. The shares are held by the Reporting Person's spouse.

Key Figures

Tax-withheld shares: 236 shares Withholding price: $6.45 per share Direct holdings after event: 3,391,496 shares +1 more

4 metrics

Tax-withheld shares 236 shares Shares withheld to satisfy tax obligations on RSU settlement

Withholding price $6.45 per share Price used for the 236 tax-withheld common shares

Direct holdings after event 3,391,496 shares Common stock directly held by Leonard Livschitz after reported entries

Indirect holdings after event 11,422 shares Common stock held indirectly through spouse after tax-withholding transaction

Key Terms

restricted stock units, tax withholding, Form 4, indirect ownership

4 terms

restricted stock units financial

"in connection with the settlement of restricted stock units granted to the Reporting Person"

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.

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.

indirect ownership financial

"Indirectly, through his spouse, he is associated with an additional 11,422 common shares."

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^*

Livschitz Leonard

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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								3,391,496	D
Common Stock	05/15/2026		F		236(1)	D	$6.45	11,422	I	See footnote(2)

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 the settlement of restricted stock units granted to the Reporting Person on February 14, 2025.

2. The shares are held by the Reporting Person's spouse.

Remarks:

	/s/Anil Doradla, by power of attorney	05/15/2026
	** 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 insider transaction did GRID DYNAMICS (GDYN) report for Leonard Livschitz?

GRID DYNAMICS reported that CEO Leonard Livschitz had 236 common shares withheld to satisfy tax obligations on restricted stock unit settlement. This routine Form 4 entry reflects compensation-related tax withholding rather than an open-market purchase or sale of GDYN shares.

How many GRID DYNAMICS (GDYN) shares were withheld for taxes in the latest Form 4?

The Form 4 shows that 236 GDYN common shares were withheld at $6.45 per share to cover tax and remittance obligations. This occurred in connection with restricted stock units granted on February 14, 2025 that settled and triggered the tax withholding event.

Does the GRID DYNAMICS (GDYN) Form 4 show an open-market sale by the CEO?

The Form 4 does not show an open-market sale. Instead, 236 shares were disposed of as tax withholding related to restricted stock unit settlement. This F-code transaction is classified as a tax-withholding disposition, a common mechanism for paying taxes on equity compensation awards.

How many GRID DYNAMICS (GDYN) shares does Leonard Livschitz hold after this filing?

After the reported transactions, Leonard Livschitz holds 3,391,496 GDYN common shares directly. Indirectly, through his spouse, he is associated with an additional 11,422 common shares. The filing highlights that these indirect shares are held by the reporting person’s spouse, as noted in the footnotes.

What is the significance of the F transaction code in GRID DYNAMICS (GDYN) Form 4?

The F transaction code indicates shares were used to pay an exercise price or tax liability. In this GDYN filing, 236 shares were withheld at $6.45 to cover tax obligations arising from restricted stock unit settlement, representing a routine compensation-related disposition rather than discretionary trading.