EPAM Systems, Inc. (EPAM) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-30 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: EPAM Systems, Inc. (EPAM) CIK: 0001352010 --- Reporting Owner --- Name: Peterson Jason D. CIK: 0001702274 Role: Officer (Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: EPAM Common Stock Date: 2026-04-30 | Code: P (Open market purchase) Shares: +77.551 | Price: $96.71 Total Value: $7,499.96 Shares Owned After: 44,384.642 | Ownership: D (Direct) Footnotes: [F1] 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, 2025 through April 30, 2026 (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. --- Footnotes (Complete Index) --- F1: 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, 2025 through April 30, 2026 (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. --- Signature --- /s/ /s/ Kate Pytlewski as Attorney-in-Fact (2026-05-02)