Michael Graham O'Brien - 01 Feb 2026 Form 4 Insider Report for ZoomInfo Technologies Inc. (GTM)

Role: CFO
Signature: /s/ Meredith Weisshaar, as Attorney-in-Fact
Issuer symbol: GTM
Transactions as of: 01 Feb 2026
Net transactions value: -$15,923
Form type: 4
Filing time: 03 Feb 2026, 16:12:17 UTC
Previous filing: 05 Jan 2026
Next filing: 09 Feb 2026
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	03 Feb 2026	0002034804

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GTM	Common Stock	Options Exercise		+1,542	+1.8%		88,014	01 Feb 2026	Direct	F1
transaction	GTM	Common Stock	Options Exercise		+3,468	+3.9%		91,482	01 Feb 2026	Direct	F2
transaction	GTM	Common Stock	Tax liability	$4,902	-609	-0.67%	$8.05	90,873	01 Feb 2026	Direct	F3
transaction	GTM	Common Stock	Tax liability	$11,020	-1,369	-1.5%	$8.05	89,504	01 Feb 2026	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	-1,542	-25%	$0.000000	4,625	01 Feb 2026	Common Stock	1,542		Direct	F1, F5
transaction	GTM	Restricted Stock Units	Options Exercise	$0	-3,468	-12%	$0.000000	24,282	01 Feb 2026	Common Stock	3,468		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.