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[Form 4] GARTNER INC Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Gartner Inc. executive Claire Herkes, EVP, Conferences, received new equity awards. On February 5, 2026, she was granted 2,303 performance-based restricted stock units and 14,022 stock appreciation rights, both at a price of $0 per derivative security.

The RSUs were originally awarded on February 6, 2025 and vest in four substantially equal annual installments starting February 6, 2026, after certification of a performance metric. The stock appreciation rights have an exercise price of $152.03 and become exercisable in four substantially equal annual installments beginning February 5, 2027. All reported derivative holdings are listed as directly owned following these grants.

Positive

  • None.

Negative

  • None.
Insider Herkes Claire
Role EVP, Conferences
Type Security Shares Price Value
Grant/Award Restricted Stock Units 2,303 $0.00 --
Grant/Award Stock Appreciation Rights 14,022 $0.00 --
Holdings After Transaction: Restricted Stock Units — 2,303 shares (Direct); Stock Appreciation Rights — 14,022 shares (Direct)
Footnotes (1)
  1. These performance-based RSUs were awarded on February 6, 2025 and vest in four substantially equal annual installments, commencing on February 6, 2026. This represents the number of RSUs awarded after the performance metric was certified. These SARs become exercisable in four substantially equal annual installments, commencing on February 5, 2027.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Herkes Claire
(Last) (First) (Middle)
56 TOP GALLANT ROAD
(Street)
STAMFORD CT 06902
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
GARTNER INC [ IT ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
EVP, Conferences
3. Date of Earliest Transaction (Month/Day/Year)
02/05/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units $0 02/05/2026 A 2,303(1) (1) (1) Common Stock 2,303 $0 2,303 D
Stock Appreciation Rights $152.03 02/05/2026 A 14,022 02/05/2027(2) 02/05/2033(2) Common Stock 14,022 $0 14,022 D
Explanation of Responses:
1. These performance-based RSUs were awarded on February 6, 2025 and vest in four substantially equal annual installments, commencing on February 6, 2026. This represents the number of RSUs awarded after the performance metric was certified.
2. These SARs become exercisable in four substantially equal annual installments, commencing on February 5, 2027.
/s/ Kevin Tang for Claire Herkes 02/09/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR