PAGLIUCA STEPHEN G

SEC source: 0001127602-24-020101 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,467

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-24-018257 · form4.xml · derivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 555

Underlying: Common Stock · 555 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on June 6, 2025, subject to Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on June 6, 2025, subject to Grantee's continued service as a director through such date.

SEC source: 0001127602-24-017744 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 705 shares

Expires not disclosed

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.

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs vested on June 1, 2024.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs vested on June 1, 2024.

SEC source: 0001127602-24-017744 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,416

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: 0001127602-24-012276 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 47 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-24-012276 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,715

Underlying: Common Stock · 47 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-24-012276 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,711

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-24-000878 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 51 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-24-000878 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,719

Underlying: Common Stock · 51 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-24-000878 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,664

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-23-025524 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 65 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-23-025524 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,733

Underlying: Common Stock · 65 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-23-025524 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,613

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0000950170-23-047293 · ownership.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,365

F1 · shares: These shares represent a restricted stock unit award granted to the reporting person. The award will vest on August 31, 2024.

SEC source: 0001127602-23-020407 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 65 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-23-020407 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,733

Underlying: Common Stock · 65 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSEs") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Gartner, Inc. Long-Term Incentive Plan ("LTIP"). The CSEs convert into Gartner common stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the LTIP.

SEC source: 0001127602-23-020407 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,548

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-23-017890 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 893 shares

Expires not disclosed

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.

F2 · derivative.exercise_date: This award vested in its entirety on June 2, 2023.

F2 · derivative.expiration_date: This award vested in its entirety on June 2, 2023.

SEC source: 0001127602-23-017890 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,483

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: 0001127602-23-017890 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 705

Underlying: Common Stock · 705 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on June 1, 2024, subject to Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on June 1, 2024, subject to Grantee's continued service as a director through such date.

SEC source: 0001127602-23-012614 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 69 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-012614 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,737

Underlying: Common Stock · 69 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-012614 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,590

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-23-000937 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 44 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000937 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,712

Underlying: Common Stock · 44 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-23-000937 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,521

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-22-023732 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 53 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-023732 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,721

Underlying: Common Stock · 53 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-023732 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,477

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0000899243-22-030067 · doc4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,050

F1 · shares: These shares represent a restricted stock unit award granted to the reporting person. The award will vest in full on the one year anniversary of the date of grant.

SEC source: 0001127602-22-018965 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 61 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-018965 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,729

Underlying: Common Stock · 61 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-018965 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,424

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0000899243-22-025543 · doc4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 140,000

Underlying: Common Stock · 16,470,587 shares

Expires not disclosed

F1 · derivative.exercise_price: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.exercise_price: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.exercise_price: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F1 · derivative.exercise_date: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.exercise_date: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.exercise_date: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F1 · derivative.expiration_date: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.expiration_date: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.expiration_date: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F1 · derivative.underlying_shares: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.underlying_shares: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.underlying_shares: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F4 · ownership.nature: Represents 75,000 shares of Series B-1 Preferred Stock held by BCPE Watson (DE) BML, LP ("BML") and 75,000 and 65,000 shares of Series B-2 Preferred Stock held respectively by BML and BCPE Watson (DE) ORML, LP ("ORML").

F5 · ownership.nature: Bain Capital Investors, LLC ("BCI") is the manager of Bain Capital Partners XII, LLC, which is the general partner of Bain Capital Fund XII, L.P. ("Fund XII"). Fund XII is the sole member of BCPE Watson (DE) Aggregator GP, LLC, which is the general partner of BCPE Watson (DE) Aggregator, LP ("Aggregator"). Aggregator is the sole member of each of (i) BCPE Watson (DE) BML GP, LLC, which is the general partner of BML, and (ii) BCPE Watson (DE) ORML GP, LLC, which is the general partner of ORML. Mr. Pagliuca is a Managing Director of BCI. As a result, Mr. Pagliuca may be deemed to share voting and dispositive power with respect to the securities held by each of BML and ORML. Mr. Pagliuca disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.

SEC source: 0000899243-22-025543 · doc4.xml · derivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 75,000

Underlying: Common Stock · 9,390,248 shares

Expires not disclosed

F1 · derivative.exercise_price: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.exercise_price: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.exercise_price: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F1 · derivative.exercise_date: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.exercise_date: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.exercise_date: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F1 · derivative.expiration_date: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.expiration_date: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.expiration_date: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F1 · derivative.underlying_shares: Series B-1 Convertible Preferred Stock ("Series B-1 Preferred Stock") and Series B-2 Convertible Preferred Stock ("Series B-2 Preferred Stock" and, together with the Series B-1 Preferred Stock, "Series B Preferred Stock") were issued on March 31, 2021 and July 1, 2022, respectively, pursuant to the Statement with Respect to Shares setting forth the terms of the Series B Convertible Preferred Stock filed with the Pennsylvania Department of State Corporations Bureau and effective March 30, 2021 (the "Statement with Respect to Shares"). Subject to adjustments set forth in the Statement with Respect to Shares, from the issuance date of such share, dividends accrue on the applicable stated value of each share of the Series B Preferred Stock at 5% per annum with an initial stated value of $10,000 per share. Until the fourth anniversary of the applicable issuance date, all dividend payments are compounded and added to the applicable stated value on a quarterly basis (a "PIK Dividend").

F2 · derivative.underlying_shares: (Continued Footnote 1) Following the fourth anniversary of the applicable issuance date, dividends will be payable in the form of, at the Issuer's sole discretion, (i) cash, (ii) a PIK Dividend or (iii) any combination of both. Commencing on July 1, 2022, each share of Series B Preferred Stock became convertible, at the option of the holder, into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price.The conversion price of the Series B Preferred Stock is initially $85.00 per share, subject to adjustments set forth in the Statement with Respect to Shares. In addition, at any time after the third anniversary of the applicable issuance date, if the closing sale price of the Issuer's common stock exceeds 150% of the then-applicable conversion price for 20 trading days in any 30 consecutive trading day period, the Issuer may elect to convert all of the shares of the applicable series of Series B Preferred

F3 · derivative.underlying_shares: (Continued Footnote 2) Stock into a number of shares of the Issuer's common stock equal to the then-applicable stated value divided by the then-applicable conversion price in accordance with the Statement with Respect to Shares.

F4 · ownership.nature: Represents 75,000 shares of Series B-1 Preferred Stock held by BCPE Watson (DE) BML, LP ("BML") and 75,000 and 65,000 shares of Series B-2 Preferred Stock held respectively by BML and BCPE Watson (DE) ORML, LP ("ORML").

F5 · ownership.nature: Bain Capital Investors, LLC ("BCI") is the manager of Bain Capital Partners XII, LLC, which is the general partner of Bain Capital Fund XII, L.P. ("Fund XII"). Fund XII is the sole member of BCPE Watson (DE) Aggregator GP, LLC, which is the general partner of BCPE Watson (DE) Aggregator, LP ("Aggregator"). Aggregator is the sole member of each of (i) BCPE Watson (DE) BML GP, LLC, which is the general partner of BML, and (ii) BCPE Watson (DE) ORML GP, LLC, which is the general partner of ORML. Mr. Pagliuca is a Managing Director of BCI. As a result, Mr. Pagliuca may be deemed to share voting and dispositive power with respect to the securities held by each of BML and ORML. Mr. Pagliuca disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.

SEC source: 0001127602-22-016702 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,029 shares

Expires not disclosed

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.

F2 · derivative.exercise_date: This award vested in its entirety on June 3, 2022.

F2 · derivative.expiration_date: This award vested in its entirety on June 3, 2022.

SEC source: 0001127602-22-016702 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,363

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: 0001127602-22-016702 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 893

Underlying: Common Stock · 893 shares

Expires not disclosed

F1 · derivative.exercise_date: One hundred percent (100%) of the RSUs shall vest on June 2, 2023, subject to Grantee's continued service as a director through such date.

F1 · derivative.expiration_date: One hundred percent (100%) of the RSUs shall vest on June 2, 2023, subject to Grantee's continued service as a director through such date.

SEC source: 0001127602-22-011587 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 50 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-011587 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,718

Underlying: Common Stock · 50 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-011587 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,334

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-22-000975 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 47 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-000975 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,715

Underlying: Common Stock · 47 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-22-000975 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,284

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0001127602-21-026696 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 49 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-21-026696 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,717

Underlying: Common Stock · 49 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-21-026696 · form4.xml · nonDerivative · entry 1

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,237

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

SEC source: 0000899243-21-034619 · doc4.xml · nonDerivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,195

F1 · shares: These shares represent a restricted stock unit award granted to the reporting person. The award will vest in three equal annual installments beginning on the one year anniversary of the date of grant.

SEC source: 0001127602-21-021611 · form4.xml · derivative · entry 3

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 60 shares

Expires not disclosed

F1 · kind: This reporting person has elected to receive an immediate distribution of the CSE shares.

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

SEC source: 0001127602-21-021611 · form4.xml · derivative · entry 2

PAGLIUCA STEPHEN G · CIK 0001240386 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,728

Underlying: Common Stock · 60 shares

Expires not disclosed

F2 · derivative.exercise_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.

F2 · derivative.expiration_date: These are Common Stock Equivalents ("CSE") received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2014 Long-Term Incentive Plan ("2014 LTIP"). The CSEs convert into Gartner Common Stock on the date the outside director's continuous status as a director terminates, or as otherwise provided in the 2014 LTIP.