ZoomInfo Technologies Inc. — Director's Dealing 2025

Nov 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ZoomInfo Technologies Inc. (GTM)
CIK: 0001794515
Period of Report: 2025-11-01

Reporting Person: O'Brien Michael Graham (CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-01	Common Stock	M	1541	—	Acquired	77759	Direct
2025-11-01	Common Stock	M	3469	—	Acquired	81228	Direct
2025-11-01	Common Stock	F	527	$11.22	Disposed	80701	Direct
2025-11-01	Common Stock	F	1185	$11.22	Disposed	79516	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-01	HSKB Phantom Units	$	M	1541	Disposed		Common Stock (1541)	Direct
2025-11-01	Restricted Stock Units	$	M	3469	Disposed		Common Stock (3469)	Direct

Footnotes

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.