FDS · Factset Research Systems Inc · Insider Trading

Reflects a gift of common stock to an individual.

Reflects a gift of common stock to an individual.

Reflects a gift of common stock to an individual.

PSUs correspond 1-for-1 with Common Stock.

Represents Performance Share Units (PSUs) earned by Reporting Person upon achievement of performance goals, as certified by the Compensation and Talent Committee on September 23, 2026. The PSUs are scheduled to vest on November 1, 2026, provided the Reporting Person remains continuously employed by the Issuer on that date.

Represents the number of shares withheld to cover the cost of taxes upon vesting of restricted stock units granted on September 22, 2025, which was previously reported. The restricted stock units vest 25% annually on the anniversary date of the grant and are fully vested after four years.

Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Shares acquired through dividend reinvestment purchases under the FactSet Research System Inc. Employee Stock Purchase Plan.

Shares acquired through dividend reinvestment purchases under the FactSet Research System Inc. Employee Stock Purchase Plan.

Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Restricted stock units vest 50% on the third anniversary date of the grant and 50% on the fourth anniversary date of the grant.

Options vest 50% on the third anniversary date of the grant and 50% on the fourth anniversary date of the grant.

Shares acquired through dividend reinvestment purchases under the FactSet Research System Inc. Employee Stock Purchase Plan.

Shares acquired through dividend reinvestment purchases under the FactSet Research System Inc. Employee Stock Purchase Plan.

Shares acquired through dividend reinvestment purchases under the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Shares acquired through dividend reinvestment purchases under the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Shares acquired through dividend reinvestment purchases under the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.

Represents the number of shares withheld to cover the cost of taxes upon vesting of RSUs granted February 3, 2025.

Represents the number of shares withheld to cover the cost of taxes upon vesting of RSUs granted February 1, 2024.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant.

Non-qualified stock options granted to non-employee Directors cliff vest 100% after three years from the date the options were granted.

This transaction was executed in multiple trades with sales prices ranging from $295.62 to $296.56. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades with sales prices ranging from $294.61 to $295.57. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades with sales prices ranging from $296.52 to $296.73. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades with sales prices ranging from $295.50 to $296.49. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Non-qualified stock options granted to non-employee Directors cliff vest 100% after three years from the date the options were granted.