Michael Graham O'Brien - Oct 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
Oct 1, 2025
Transactions value $
-$125,923
Form type
4
Date filed
10/3/2025, 04:06 PM
Previous filing
Sep 3, 2025
Next filing
Nov 4, 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 2025-10-03 0002034804

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GTM Common Stock Options Exercise +1.56K +2.88% 55.5K Oct 1, 2025 Direct F1
transaction GTM Common Stock Options Exercise +223 +0.4% 55.7K Oct 1, 2025 Direct F1
transaction GTM Common Stock Options Exercise +764 +1.37% 56.5K Oct 1, 2025 Direct F1
transaction GTM Common Stock Options Exercise +31.3K +55.3% 87.8K Oct 1, 2025 Direct F1
transaction GTM Common Stock Tax liability -$126K -11.5K -13.15% $10.91 76.2K Oct 1, 2025 Direct F2

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 Restricted Stock Units Options Exercise $0 -1.56K -16.67% $0.00 7.77K Oct 1, 2025 Common Stock 1.56K Direct F1, F3
transaction GTM Restricted Stock Units Options Exercise $0 -223 -14.27% $0.00 1.34K Oct 1, 2025 Common Stock 223 Direct F1, F4
transaction GTM Restricted Stock Units Options Exercise $0 -764 -11.1% $0.00 6.12K Oct 1, 2025 Common Stock 764 Direct F1, F5
transaction GTM Restricted Stock Units Options Exercise $0 -31.3K -25% $0.00 93.8K Oct 1, 2025 Common Stock 31.3K Direct F1, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.
F2 Reflects shares withheld to cover the Reporting Person's tax liability in connection with the vesting of the restricted stock units reported herein.
F3 The Reporting Person received an original grant of restricted stock units on December 30, 2022, which vest in equal quarterly installments during the 27 months following October 1, 2024.
F4 The Reporting Person received an original grant of restricted stock units on March 23, 2023, which vest in equal quarterly installments during the 30 months following October 1, 2024.
F5 The Reporting Person received an original grant of restricted stock units on October 25, 2023, which vest in equal quarterly installments during the 36 months following October 1, 2024.
F6 The Reporting Person received an original grant of restricted stock units on September 10, 2024, which vest as follows: (a) 25% on October 1, 2025; and (b) the remainder of the award in equal quarterly installments during the 36 months following October 1, 2025.