Herkes Claire 4

4 · GARTNER INC · Filed Feb 10, 2026

AI-generated summary of this filing

Updated Feb 10, 2026

Gartner (IT) EVP Claire Herkes Receives RSU Vesting (Shares Withheld)

What Happened

Claire Herkes, EVP Conferences at Gartner (IT), received vested RSU shares as two scheduled 2026 installments. On Feb 6, 2026 she acquired 576 shares (performance-based RSU installment) and on Feb 8, 2026 she acquired 850 shares (time-based RSU installment), for a total of 1,426 shares issued to her.
To satisfy tax withholding, 214 shares (Feb 6) and 277 shares (Feb 8) were withheld and disposed at an imputed price of $156.33 per share, resulting in withholding proceeds of $33,455 and $43,303 respectively (total ≈ $76,758). Net increase to Herkes’s holding from these vestings: +935 shares.

Key Details

Transaction dates and actions:
- 2026-02-06: Conversion of performance-based RSU (576 shares acquired); 214 shares withheld for taxes (disposed) at $156.33.
- 2026-02-08: Conversion of time-based RSU (850 shares acquired); 277 shares withheld for taxes (disposed) at $156.33.
Transaction codes: M = exercise/conversion of derivative (RSU conversion); F = shares withheld for tax withholding.
Footnotes:
- F1: 576 shares = 2026 installment of performance-based RSUs awarded 2/6/2025, vesting in four annual installments starting 2/6/2026.
- F3: 850 shares = 2026 installment of RSUs awarded 2/8/2025, vesting in four annual installments starting 2/8/2025.
- F2: 491 shares withheld to cover income/payroll taxes.
Shares owned after transaction: Not specified in this Form 4.
Filing timeliness: Report filed 2026-02-10 for transactions on 2/6 and 2/8 — appears to be a timely Form 4 filing.

Context

These transactions are not open-market purchases or sales for investment — they are issuances upon RSU vesting with a portion withheld to satisfy tax obligations (common “sell-to-cover” practice). Such withholding is routine and does not necessarily indicate a buy or sell signal by the insider.

Form 4

Period: 2026-02-06

EVP, Conferences

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-02-06+576→ 4,650 total
Tax Payment
Common Stock
[F2]
2026-02-06$156.33/sh−214$33,455→ 4,436 total
Exercise/Conversion
Common Stock
[F3]
2026-02-08+850→ 5,286 total
Tax Payment
Common Stock
[F2]
2026-02-08$156.33/sh−277$43,303→ 5,009 total
Exercise/Conversion
Restricted Stock Units
[F1]
2026-02-06−576→ 1,727 total
Exercise: $0.00→ Common Stock (576 underlying)
Exercise/Conversion
Restricted Stock Units
[F3]
2026-02-08−850→ 1,700 total
Exercise: $0.00→ Common Stock (850 underlying)

Footnotes (3)

[F1]Represents shares acquired upon the release of the performance-based RSUs awarded on February 6, 2025 and certified in February 2026. These performance-based RSUs convert into common stock on a one-for-one basis and vest in four substantially equal annual installments commencing on February 6, 2026. This represents the 2026 installment.
[F2]Represents shares withheld for the payment of applicable income and payroll withholding taxes.
[F3]Represents shares acquired upon the release of RSUs, which convert into common stock on a one-for-one basis. These RSUs vest in four substantially equal annual installments commencing on February 8, 2025. This represents the 2026 installment.

Signature

/s/ Kevin Tang for Claire Herkes|2026-02-10

1 file