Michael Graham O'Brien - Nov 1, 2025 Form 4 Insider Report for ZoomInfo Technologies Inc. (GTM)

Role
CFO
Signature
/s/ Meredith Weisshaar, as Attorney-in-Fact
Stock symbol
GTM
Transactions as of
Nov 1, 2025
Transactions value $
-$19,209
Form type
4
Date filed
11/4/2025, 04:48 PM
Previous filing
Oct 3, 2025
Next filing
Dec 3, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
O'Brien Michael Graham CFO C/O ZOOMINFO TECHNOLOGIES INC.,, 330 W COLUMBIA WAY, FLOOR 8, VANCOUVER /s/ Meredith Weisshaar, as Attorney-in-Fact 2025-11-04 0002034804

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GTM Common Stock Options Exercise +1.54K +2.02% 77.8K Nov 1, 2025 Direct F1
transaction GTM Common Stock Options Exercise +3.47K +4.46% 81.2K Nov 1, 2025 Direct F2
transaction GTM Common Stock Tax liability -$5.91K -527 -0.65% $11.22 80.7K Nov 1, 2025 Direct F3
transaction GTM Common Stock Tax liability -$13.3K -1.19K -1.47% $11.22 79.5K Nov 1, 2025 Direct F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GTM HSKB Phantom Units Options Exercise $0 -1.54K -19.99% $0.00 6.17K Nov 1, 2025 Common Stock 1.54K Direct F1, F5
transaction GTM Restricted Stock Units Options Exercise $0 -3.47K -11.11% $0.00 27.8K Nov 1, 2025 Common Stock 3.47K Direct F2, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects Phantom Units of HSKB Funds II, LLC ("HSKB Phantom Units") that upon vesting settled into shares of Common Stock on a one-for-one basis.
F2 Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.
F3 Reflects shares withheld to cover the Reporting Person's tax liability in connection with the vesting of the HSKB Phantom Units reported herein.
F4 Reflects shares withheld to cover the Reporting Person's tax liability in connection with the vesting of the restricted stock units reported herein.
F5 The Reporting Person received an original grant of HSKB Phantom Units on December 1, 2023, which vest in equal quarterly installments during the 24 months following November 1, 2024.
F6 The Reporting Person received an original grant of restricted stock units on December 29, 2023, which vest in equal quarterly installments during the 36 months following November 1, 2024.