EPAM

SEC source: 0001538843-26-000002 · wk-form4_1773750177.xml · nonDerivative · entry 1

Dobkin Arkadiy · CIK 0001538843 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,311,755

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001538408-26-000002 · wk-form4_1773750122.xml · nonDerivative · entry 5

Fejes Balazs · CIK 0001538408 · Director · CEO, President, Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,614.091

F2 · shares: Represents restricted stock units that are scheduled to vest as to 25% of the shares on each of March 15, 2027, 2028, 2029, and 2030.

SEC source: 0001538408-26-000002 · wk-form4_1773750122.xml · nonDerivative · entry 4

Fejes Balazs · CIK 0001538408 · Director · CEO, President, Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,376.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001538408-26-000002 · wk-form4_1773750122.xml · nonDerivative · entry 3

Fejes Balazs · CIK 0001538408 · Director · CEO, President, Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,450.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001538408-26-000002 · wk-form4_1773750122.xml · nonDerivative · entry 2

Fejes Balazs · CIK 0001538408 · Director · CEO, President, Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,952.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001538408-26-000002 · wk-form4_1773750122.xml · nonDerivative · entry 1

Fejes Balazs · CIK 0001538408 · Director · CEO, President, Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,457.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001702274-26-000002 · wk-form4_1773750272.xml · nonDerivative · entry 6

Peterson Jason D. · CIK 0001702274 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,307.091

F2 · shares: Represents restricted stock units that are scheduled to vest as to 25% of the shares on each of March 15, 2027, 2028, 2029, and 2030.

SEC source: 0001702274-26-000002 · wk-form4_1773750272.xml · nonDerivative · entry 5

Peterson Jason D. · CIK 0001702274 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,689.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001702274-26-000002 · wk-form4_1773750272.xml · nonDerivative · entry 4

Peterson Jason D. · CIK 0001702274 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,857.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001702274-26-000002 · wk-form4_1773750272.xml · nonDerivative · entry 3

Peterson Jason D. · CIK 0001702274 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,403.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001702274-26-000002 · wk-form4_1773750272.xml · nonDerivative · entry 2

Peterson Jason D. · CIK 0001702274 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,952.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001702274-26-000002 · wk-form4_1773750272.xml · nonDerivative · entry 1

Peterson Jason D. · CIK 0001702274 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,989.091

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001539198-25-000004 · wk-form4_1767018950.xml · nonDerivative · entry 2

Segert Robert E. · CIK 0001539198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,605

F1 · shares: The reported transaction involves a transfer of securities by bona fide gift for which no payment of consideration was received by the reporting person.

SEC source: 0001539198-25-000004 · wk-form4_1767018950.xml · nonDerivative · entry 1

Segert Robert E. · CIK 0001539198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,845

F1 · shares: The reported transaction involves a transfer of securities by bona fide gift for which no payment of consideration was received by the reporting person.

SEC source: 0001684907-25-000012 · wk-form4_1765489975.xml · derivative · entry 3

Shnayder Boris · CIK 0001684907 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,308

Underlying: EPAM Common Stock · 5,000 shares

Expires 2026-03-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001684907-25-000012 · wk-form4_1765489975.xml · nonDerivative · entry 2

Shnayder Boris · CIK 0001684907 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,645.091

SEC source: 0001684907-25-000012 · wk-form4_1765489975.xml · nonDerivative · entry 1

Shnayder Boris · CIK 0001684907 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,645.091

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001703877-25-000009 · wk-form4_1763415443.xml · nonDerivative · entry 1

Abrahams Gary C · CIK 0001703877 · VP, Corporate Controller, PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,720.091

SEC source: 0001732239-25-000012 · wk-form4_1763071340.xml · nonDerivative · entry 3

Dvorkin Viktar · CIK 0001732239 · SVP/Head of Global Delivery

10b5-1 filing: No plan indicated

Ownership: Indirect · Dvorkin Family Trust

Disclosed balance after: 38,124

SEC source: 0001732239-25-000012 · wk-form4_1763071340.xml · nonDerivative · entry 2

Dvorkin Viktar · CIK 0001732239 · SVP/Head of Global Delivery

10b5-1 filing: No plan indicated

Ownership: Indirect · Dvorkin Family Trust

Disclosed balance after: 40,589

SEC source: 0001732239-25-000010 · wk-form4_1762810400.xml · nonDerivative · entry 2

Dvorkin Viktar · CIK 0001732239 · SVP/Head of Global Delivery

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,311.091

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

F2 · balance_after: Includes a deduction of 0.826 shares to reflect the cumulative impact of de minimis rounding adjustments of fractional shares as reported in a prior Form 4 and prior Forms 5 filed for the reporting person related to acquisition of Common Stock under the ESPP.

SEC source: 0001693502-25-000007 · wk-form4_1762810465.xml · nonDerivative · entry 2

Solomon Lawrence F · CIK 0001693502 · SVP & Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,445.091

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

F2 · balance_after: Includes a deduction of 0.826 shares to reflect the cumulative impact of de minimis rounding adjustments of fractional shares as reported in a prior Form 4 and prior Forms 5 filed for the reporting person related to acquisition of Common Stock under the ESPP.

SEC source: 0001684907-25-000008 · wk-form4_1762810498.xml · nonDerivative · entry 2

Shnayder Boris · CIK 0001684907 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,645.091

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

F2 · balance_after: Includes a deduction of 0.826 shares to reflect the cumulative impact of de minimis rounding adjustments of fractional shares as reported in a prior Form 4 and prior Forms 5 filed for the reporting person related to acquisition of Common Stock under the ESPP.

SEC source: 0001703877-25-000007 · wk-form4_1762810625.xml · nonDerivative · entry 2

Abrahams Gary C · CIK 0001703877 · VP, Corporate Controller, PAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,320.091

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

F2 · balance_after: Includes a deduction of 0.826 shares to reflect the cumulative impact of de minimis rounding adjustments of fractional shares as reported in a prior Form 4 and prior Forms 5 filed for the reporting person related to acquisition of Common Stock under the ESPP.

SEC source: 0001761897-25-000007 · wk-form4_1762810597.xml · nonDerivative · entry 2

Rockwell Edward · CIK 0001761897 · SVP/General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,674.091

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

F2 · balance_after: Includes a deduction of 0.826 shares to reflect the cumulative impact of de minimis rounding adjustments of fractional shares as reported in a prior Form 4 and prior Forms 5 filed for the reporting person related to acquisition of Common Stock under the ESPP.

SEC source: 0001538408-25-000011 · wk-form4_1762810570.xml · nonDerivative · entry 2

Fejes Balazs · CIK 0001538408 · Director · CEO, President, Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,863.091

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

F2 · balance_after: Includes a deduction of 0.826 shares to reflect the cumulative impact of de minimis rounding adjustments of fractional shares as reported in a prior Form 4 and prior Forms 5 filed for the reporting person related to acquisition of Common Stock under the ESPP.

SEC source: 0001702274-25-000009 · wk-form4_1762810527.xml · nonDerivative · entry 2

Peterson Jason D. · CIK 0001702274 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,431.091

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

F2 · balance_after: Includes a deduction of 0.826 shares to reflect the cumulative impact of de minimis rounding adjustments of fractional shares as reported in a prior Form 4 and prior Forms 5 filed for the reporting person related to acquisition of Common Stock under the ESPP.

SEC source: 0001732194-25-000017 · wk-form4_1761164006.xml · nonDerivative · entry 1

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146.23

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150 to $151.36, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001732194-25-000011 · wk-form4_1759522777.xml · nonDerivative · entry 1

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,352.23

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.32 to $151.34, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001732194-25-000015 · wk-form4a_1761163960.xml · nonDerivative · entry 1

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,657.23

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.32 to $151.34, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

F2 · balance_after: This Amended Form 4 corrects the number of shares of common stock beneficially owned following the reported transaction to reflect shares forfeited by the Issuing Person on August 29, 2025.

SEC source: 0001538408-25-000009 · wk-form4_1756844028.xml · nonDerivative · entry 1

Fejes Balazs · CIK 0001538408 · Director · CEO, President, Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,752

F1 · shares: Represents restricted stock units that are scheduled to vest as to 25% of the shares on each of September 1, 2026, 2027, 2028, and 2029.

SEC source: 0001732194-25-000010 · wk-form4_1756844118.xml · nonDerivative · entry 2

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,431.23

F2 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001732194-25-000013 · wk-form4a_1761163906.xml · nonDerivative · entry 3

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,736.23

F3 · shares: This Amended Form 4 reflects shares of common stock that were forfeited without payment to the Reporting Person in connection with his separation from EPAM Systems, Inc.

SEC source: 0001732194-25-000013 · wk-form4a_1761163906.xml · nonDerivative · entry 2

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,431.23

F2 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Long Term Incentive Plan.

SEC source: 0001802803-25-000004 · wk-form4_1749068709.xml · nonDerivative · entry 1

Roman Eugene · CIK 0001802803 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,408

F1 · shares: These shares were withheld by the Issuer to satisfy the tax withholding requirement arising from the vesting of restricted stock units granted to the reporting person under the Issuer's Non-Employee Directors Compensation Plan.

SEC source: 0001934428-25-000002 · wk-form4_1747945417.xml · nonDerivative · entry 1

Aguirre DeAnne · CIK 0001934428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,637

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001802803-25-000002 · wk-form4_1747945279.xml · nonDerivative · entry 1

Roman Eugene · CIK 0001802803 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,923

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001684907-25-000005 · wk-form4_1747943920.xml · derivative · entry 3

Shnayder Boris · CIK 0001684907 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: EPAM Common Stock · 10,500 shares

Expires 2025-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001684907-25-000005 · wk-form4_1747943920.xml · nonDerivative · entry 2

Shnayder Boris · CIK 0001684907 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,534

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.78 to $184.30, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001684907-25-000005 · wk-form4_1747943920.xml · nonDerivative · entry 1

Shnayder Boris · CIK 0001684907 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,034

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001748873-25-000002 · wk-form4_1747945868.xml · nonDerivative · entry 1

Shan Helen L. · CIK 0001748873 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,299

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001529343-25-000002 · wk-form4_1747945097.xml · nonDerivative · entry 1

Smart Jill · CIK 0001529343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,324

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001538410-25-000002 · wk-form4_1747945009.xml · nonDerivative · entry 1

Robb Karl · CIK 0001538410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,739

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001566490-25-000002 · wk-form4_1747944868.xml · nonDerivative · entry 1

Mayoras Richard Michael · CIK 0001566490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,693

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001983686-25-000002 · wk-form4_1747944671.xml · nonDerivative · entry 1

McMahon Chandra · CIK 0001983686 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,758

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001539198-25-000001 · wk-form4_1747944453.xml · nonDerivative · entry 1

Segert Robert E. · CIK 0001539198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,917

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001355666-25-000001 · wk-form4_1747943986.xml · nonDerivative · entry 1

Vargo Ronald P · CIK 0001355666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,926

F1 · shares: Represents an award of restricted stock units granted pursuant to the EPAM Systems, Inc. Non-Employee Director Compensation Policy. This award is scheduled to vest on the first anniversary of grant.

SEC source: 0001732194-25-000010 · wk-form4_1756844118.xml · nonDerivative · entry 1

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,609.23

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period of November 1, 2024 through April 30, 2025 (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

SEC source: 0001732194-25-000013 · wk-form4a_1761163906.xml · nonDerivative · entry 1

Yezhkov Sergey · CIK 0001732194 · SVP/Co-Head of Global Business

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,609.23

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period of November 1, 2024 through April 30, 2025 (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.

SEC source: 0001732239-25-000010 · wk-form4_1762810400.xml · nonDerivative · entry 1

Dvorkin Viktar · CIK 0001732239 · SVP/Head of Global Delivery

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,256.234

F1 · shares: The reporting person is voluntarily reporting the acquisition of the Issuer's Common Stock pursuant to the EPAM Systems, Inc. 2021 Employee Stock Purchase Plan (the "ESPP"), for the ESPP purchase period that is the six months ending on the Transaction Date (the "Purchase Period"). This transaction is also exempt from Rule 16b-3(c). In accordance with the ESPP, these shares were purchased at the lesser of (i) 85% of the fair market value of such shares of Common Stock on the first trading day of the Purchase Period and (ii) 85% of the fair market value of such shares of Common Stock on the last day of the Purchase Period.