Michael Graham O'Brien - Dec 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
Dec 1, 2025
Transactions value $
-$3,581
Form type
4
Date filed
12/3/2025, 04:11 PM
Previous filing
Nov 4, 2025
SEC
View on sec.gov

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 2025-12-03 0002034804

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GTM Common Stock Options Exercise +507 +0.64% 80K Dec 1, 2025 Direct F1
transaction GTM Common Stock Options Exercise +214 +0.27% 80.2K Dec 1, 2025 Direct F2
transaction GTM Common Stock Options Exercise +328 +0.41% 80.6K Dec 1, 2025 Direct F2
transaction GTM Common Stock Tax liability -$1.73K -174 -0.22% $9.92 80.4K Dec 1, 2025 Direct F3
transaction GTM Common Stock Tax liability -$1.86K -187 -0.23% $9.92 80.2K Dec 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 -507 -100% $0.00 0 Dec 1, 2025 Common Stock 507 Direct F1, F5
transaction GTM Restricted Stock Units Options Exercise $0 -214 -25.03% $0.00 641 Dec 1, 2025 Common Stock 214 Direct F2, F6
transaction GTM Restricted Stock Units Options Exercise $0 -328 -20% $0.00 1.31K Dec 1, 2025 Common Stock 328 Direct F2, F7
* 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, 2021, which vest in equal quarterly installments during the 12 months following December 1, 2024.
F6 The Reporting Person received an original grant of restricted stock units on September 1, 2022, which vest in equal quarterly installments during the 21 months following December 1, 2024.
F7 The Reporting Person received an original grant of restricted stock units on December 1, 2022, which vest in equal quarterly installments during the 24 months following December 1, 2024.