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

Role: CFO
Signature: /s/ Meredith Weisshaar, as Attorney-in-Fact
Issuer symbol: ZI
Transactions as of: 01 Oct 2025
Net transactions value: -$125,923
Form type: 4
Filing time: 03 Oct 2025, 16:06:53 UTC
Previous filing: 03 Sep 2025
Next filing: 04 Nov 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	03 Oct 2025	0002034804

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GTM	Common Stock	Options Exercise		+1,555	+2.9%		55,523	01 Oct 2025	Direct	F1
transaction	GTM	Common Stock	Options Exercise		+223	+0.4%		55,746	01 Oct 2025	Direct	F1
transaction	GTM	Common Stock	Options Exercise		+764	+1.4%		56,510	01 Oct 2025	Direct	F1
transaction	GTM	Common Stock	Options Exercise		+31,250	+55%		87,760	01 Oct 2025	Direct	F1
transaction	GTM	Common Stock	Tax liability	$125,923	-11,542	-13%	$10.91	76,218	01 Oct 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	-1,555	-17%	$0.000000	7,774	01 Oct 2025	Common Stock	1,555		Direct	F1, F3
transaction	GTM	Restricted Stock Units	Options Exercise	$0	-223	-14%	$0.000000	1,340	01 Oct 2025	Common Stock	223		Direct	F1, F4
transaction	GTM	Restricted Stock Units	Options Exercise	$0	-764	-11%	$0.000000	6,116	01 Oct 2025	Common Stock	764		Direct	F1, F5
transaction	GTM	Restricted Stock Units	Options Exercise	$0	-31,250	-25%	$0.000000	93,750	01 Oct 2025	Common Stock	31,250		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.