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person · Reporting owner

Kozyrkov Vadim

Disclosed activity across 1 company

Tapewire entity
135452
SEC CIK
0001805555

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
GRID DYNAMICS HOLDINGS, INC.GDYN · Entity 2031SVP of EngineeringSeptember 13, 2021September 15, 2021

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

GRID DYNAMICS HOLDINGS, INC.

Report date September 13, 2021 · Filed September 15, 2021

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect193,757 Ending reported balance After 2021-09-14 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2021-09-13 · Tax withholding · Disposed 4,260 · Balance 194,140

F1: Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units.

Row 2 · 2021-09-14 · Sale · Disposed 383 · Balance 193,757

F2: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units.

F2: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 14, 2021 Filed Sep 15, 2021 16:12 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 SaleCommon Stock 383 $28.50 $10,915.50
Disclosure

SEC source: 0001209191-21-056164 · doc4.xml · nonDerivative · entry 2

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,757

F2 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

Read SEC document
September 13, 2021 Filed Sep 15, 2021 16:12 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 Tax withholdingCommon Stock 4,260 $28.67 $122,134.20
Disclosure

SEC source: 0001209191-21-056164 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 194,140

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units.

Read SEC document
August 05, 2021 Filed Aug 6, 2021 16:50 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 SaleCommon Stock 207 $20.73 $4,291.11
Disclosure

SEC source: 0001209191-21-050201 · doc4.xml · nonDerivative · entry 2

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,400

F2 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

Read SEC document
August 04, 2021 Filed Aug 6, 2021 16:50 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 Tax withholdingCommon Stock 2,303 $20.83 $47,971.49
Disclosure

SEC source: 0001209191-21-050201 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,607

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units.

Read SEC document
June 15, 2021 Filed Jun 16, 2021 18:09 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 SaleCommon Stock 383 $17.30 $6,625.90
Disclosure

SEC source: 0001209191-21-041040 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,910

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

Read SEC document
June 13, 2021 Filed Jun 15, 2021 17:35 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 Tax withholdingCommon Stock 4,261 $16.78 $71,499.58
Disclosure

SEC source: 0001209191-21-040667 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,293

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units.

Read SEC document
May 05, 2021 Filed May 6, 2021 20:24 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 SaleCommon Stock 829 $14.37 $11,910.57
Disclosure

SEC source: 0001209191-21-030763 · doc4.xml · nonDerivative · entry 2

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,554

F2 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

F3 · price: This transaction was executed in multiple trades at prices ranging from $14.31 to $14.55. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

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May 04, 2021 Filed May 6, 2021 20:24 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 Tax withholdingCommon Stock 9,213 $14.40 $132,667.20
Disclosure

SEC source: 0001209191-21-030763 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,383

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units.

Read SEC document
March 16, 2021 Filed Mar 16, 2021 17:35 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 SaleCommon Stock 1,533 $15.45 $23,684.85
Disclosure

SEC source: 0001209191-21-020968 · doc4.xml · nonDerivative · entry 2

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215,596

F2 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

Read SEC document
March 13, 2021 Filed Mar 16, 2021 17:35 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 Tax withholdingCommon Stock 17,045 $15.48 $263,856.60
Disclosure

SEC source: 0001209191-21-020968 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 217,129

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units.

Read SEC document
February 17, 2021 Filed Mar 16, 2021 17:27 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 SaleCommon Stock 3,853 $13.55 $52,222.41
Disclosure

SEC source: 0001209191-21-020952 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 234,174

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020.

F2 · price: This transaction was executed in multiple trades at prices ranging from $13.24 to $13.805. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

Read SEC document
February 12, 2021 Filed Feb 17, 2021 20:18 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 Tax withholdingCommon Stock 43,382 $14.33 $621,664.06
Disclosure

SEC source: 0001209191-21-011573 · doc4.xml · nonDerivative · entry 2

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 238,027

F2 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the issuance of shares pursuant to performance share awards granted to the Reporting Person on May 4, 2020.

Read SEC document
February 12, 2021 Filed Feb 17, 2021 20:18 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 GrantCommon Stock 81,909 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-011573 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,409

F1 · shares: Represents the acquisition of shares upon the determination of the Compensation Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on May 4, 2020.

Read SEC document
May 04, 2020 Filed May 6, 2020 21:11 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 GrantCommon Stock 70,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-027570 · doc4.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,500

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.

Read SEC document
March 13, 2020 Filed Mar 16, 2020 21:39 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 GrantStock Option (right to buy) · Derivative 140,000 $0.00 Strike: $8.26 $0.00
Disclosure

SEC source: 0001213900-20-006609 · ownership.xml · derivative · entry 2

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Common Stock · 140,000 shares

Expires 2030-03-12

F2 · derivative.exercise_date: One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter.

Read SEC document
March 13, 2020 Filed Mar 16, 2020 21:39 UTC GRID DYNAMICS HOLDINGS, INC. GDYN · Entity 2031 GrantCommon Stock 129,500 $0.00 $0.00
Disclosure

SEC source: 0001213900-20-006609 · ownership.xml · nonDerivative · entry 1

Kozyrkov Vadim · CIK 0001805555 · SVP of Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,500

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.