Michael Graham O'Brien - 01 May 2025 Form 4 Insider Report for ZoomInfo Technologies Inc. (ZI)

Role: Interim CFO
Signature: /s/ Meredith Weisshaar, as Attorney- in-Fact
Issuer symbol: ZI
Transactions as of: 01 May 2025
Transactions value $: -$14,295
Form type: 4
Date filed: 05 May 2025, 16:01
Previous filing: 03 Apr 2025
Next filing: 19 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
O'Brien Michael Graham	Interim CFO	C/O ZOOMINFO TECHNOLOGIES INC., 805 BROADWAY ST, SUITE 900, VANCOUVER	/s/ Meredith Weisshaar, as Attorney- in-Fact	2025-05-05	0002034804

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ZI	Common Stock	Options Exercise		+1.54K	+3.51%		45.4K	01 May 2025	Direct	F1
transaction	ZI	Common Stock	Options Exercise		+3.47K	+7.64%		48.9K	01 May 2025	Direct	F2
transaction	ZI	Common Stock	Tax liability	-$4.4K	-514	-1.05%	$8.56	48.4K	01 May 2025	Direct	F3
transaction	ZI	Common Stock	Tax liability	-$9.9K	-1.16K	-2.39%	$8.56	47.2K	01 May 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	ZI	HSKB Phantom Units	Options Exercise	$0	-1.54K	-14.29%	$0.00	9.25K	01 May 2025	Common Stock	1.54K		Direct	F1, F5
transaction	ZI	Restricted Stock Units	Options Exercise	$0	-3.47K	-9.09%	$0.00	34.7K	01 May 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 Phantom Units of HSKB Funds II, LLC ("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.