NEW ACCOUNTING PRONOUNCEMENTS (Policies)	6 Months Ended
Jun. 30, 2026
Accounting Policies [Abstract]
Basis of presentation	Pegasystems Inc. (together with its subsidiaries, “the Company”) has prepared the accompanying unaudited condensed consolidated financial statements pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”) regarding interim financial reporting. Accordingly, they do not include all the information required by the generally accepted accounting principles (“GAAP”) in the United States of America (“U.S.”) for complete financial statements and should be read in conjunction with the Company’s audited financial statements included in the Annual Report on Form 10-K for the year ended December 31, 2025. In the opinion of management, the Company has prepared the accompanying unaudited condensed consolidated financial statements on the same basis as its audited financial statements, and these financial statements include all adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the results of the interim periods presented. All intercompany transactions and balances were eliminated in consolidation. The operating results for the interim periods presented do not necessarily indicate the expected results for fiscal year 2026.
New accounting pronouncements	Disaggregation of Income Statement Expenses In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (ASU “2024-03”). Among other items, the requirements include expanded disclosures around employee compensation and selling expenses. ASU 2024-03 will be effective for the Company for the year ending December 31, 2027. The Company is still evaluating the impact of this new guidance on its consolidated financial statements but expects the adoption to result in disclosure changes only. Targeted Improvements to the Accounting for Internal-Use Software In September 2025, the FASB issued ASU 2025-06, Intangibles — Goodwill and Other — Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software (“ASU 2025-06”). ASU 2025-06 introduces a more principles-based framework to the capitalization of software intended for internal use focused on management’s authorization and commitment to fund a development project and the probability of whether the project will be completed and used for its intended function. ASU 2025-06 will be effective for the Company beginning January 1, 2028. The Company is currently evaluating the impact ASU 2025-06 will have on its consolidated financial statements.
Assets and liabilities measured at fair value on a recurring basis	Assets and liabilities measured at fair value on a recurring basis The Company records its cash equivalents, marketable securities, and venture investments at fair value on a recurring basis. Fair value is an exit price, representing the amount that would be received from the sale of an asset or paid to transfer a liability in an orderly transaction between market participants based on assumptions that market participants would use in pricing an asset or liability. As a basis for classifying the fair value measurements, a three-tier fair value hierarchy, which classifies the fair value measurements based on the inputs used in measuring fair value, was established as follows: •Level 1 - observable inputs, such as quoted prices in active markets for identical assets or liabilities; •Level 2 - significant other inputs that are observable either directly or indirectly; and •Level 3 - significant unobservable inputs with little or no market data, which require the Company to develop its own assumptions. This hierarchy requires the Company to use observable market data when available and minimize unobservable inputs when determining fair value. The Company’s venture investments are recorded at fair value based on multiple valuation methods, including observable public companies and transaction prices and unobservable inputs, including the volatility, rights, and obligations of the securities the Company holds.

NEW ACCOUNTING PRONOUNCEMENTS (Policies)

6 Months Ended

Jun. 30, 2026

Pegasystems Inc. (together with its subsidiaries, “the Company”) has prepared the accompanying unaudited condensed consolidated financial statements pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”) regarding interim financial reporting. Accordingly, they do not include all the information required by the generally accepted accounting principles (“GAAP”) in the United States of America (“U.S.”) for complete financial statements and should be read in conjunction with the Company’s audited financial statements included in the Annual Report on Form 10-K for the year ended December 31, 2025.

In the opinion of management, the Company has prepared the accompanying unaudited condensed consolidated financial statements on the same basis as its audited financial statements, and these financial statements include all adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the results of the interim periods presented.

All intercompany transactions and balances were eliminated in consolidation. The operating results for the interim periods presented do not necessarily indicate the expected results for fiscal year 2026.

New accounting pronouncements

Disaggregation of Income Statement Expenses

In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses (ASU “2024-03”). Among other items, the requirements include expanded disclosures around employee compensation and selling expenses. ASU 2024-03 will be effective for the Company for the year ending December 31, 2027. The Company is still evaluating the impact of this new guidance on its consolidated financial statements but expects the adoption to result in disclosure changes only.

Targeted Improvements to the Accounting for Internal-Use Software

In September 2025, the FASB issued ASU 2025-06, Intangibles — Goodwill and Other — Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software (“ASU 2025-06”). ASU 2025-06 introduces a more principles-based framework to the capitalization of software intended for internal use focused on management’s authorization and commitment to fund a development project and the probability of whether the project will be completed and used for its intended function. ASU 2025-06 will be effective for the Company beginning January 1, 2028. The Company is currently evaluating the impact ASU 2025-06 will have on its consolidated financial statements.

Assets and liabilities measured at fair value on a recurring basis

The Company records its cash equivalents, marketable securities, and venture investments at fair value on a recurring basis. Fair value is an exit price, representing the amount that would be received from the sale of an asset or paid to transfer a liability in an orderly transaction between market participants based on assumptions that market participants would use in pricing an asset or liability.

As a basis for classifying the fair value measurements, a three-tier fair value hierarchy, which classifies the fair value measurements based on the inputs used in measuring fair value, was established as follows:

•Level 1 - observable inputs, such as quoted prices in active markets for identical assets or liabilities;

•Level 2 - significant other inputs that are observable either directly or indirectly; and

•Level 3 - significant unobservable inputs with little or no market data, which require the Company to develop its own assumptions.

This hierarchy requires the Company to use observable market data when available and minimize unobservable inputs when determining fair value.

The Company’s venture investments are recorded at fair value based on multiple valuation methods, including observable public companies and transaction prices and unobservable inputs, including the volatility, rights, and obligations of the securities the Company holds.