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

Reporting relationship: CFO
Issuer ticker: GTM
Reported as of: 01 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 May 2026, 16:26:56 UTC
Prior SEC filing: 03 Apr 2026
Next SEC filing: 02 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Meredith Weisshaar, as Attorney-in-Fact

Key filing fact

Michael Graham O'Brien filed Form 4 for ZoomInfo Technologies Inc. (GTM) on 05 May 2026.

Key facts

This page summarizes Michael Graham O'Brien's Form 4 filing for ZoomInfo Technologies Inc. (GTM).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 05 May 2026, 16:26.

Change

Previous filing in this sequence was filed on 03 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002034804 Primary reporting owner

O'Brien Michael Graham

Relationship: CFO
Address: C/O ZOOMINFO TECHNOLOGIES INC.,, 330 W COLUMBIA WAY, FLOOR 8, VANCOUVER
Signature: /s/ Meredith Weisshaar, as Attorney-in-Fact
Signature date: 05 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GTM transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,542
Change %: +0.75%
Price
Shares after: 205,796
Date: 01 May 2026
Ownership: Direct
Footnotes: F1

GTM transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,469
Change %: +1.7%
Price
Shares after: 209,265
Date: 01 May 2026
Ownership: Direct
Footnotes: F2

GTM transaction

Common Stock

Tax liability

Transaction value
Shares: -758
Change %: -0.36%
Price: $6.25^*
Shares after: 208,507
Date: 01 May 2026
Ownership: Direct
Footnotes: F3

GTM transaction

Common Stock

Tax liability

Transaction value
Shares: -1,706
Change %: -0.82%
Price: $6.25^*
Shares after: 206,801
Date: 01 May 2026
Ownership: Direct
Footnotes: F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GTM transaction Derivative

HSKB Phantom Units

Options Exercise

Transaction value
Shares: -1,542
Change %: -33%
Price: $0.000000^*
Shares after: 3,083
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,542
Exercise price
Footnotes: F1, F5

GTM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -3,469
Change %: -14%
Price: $0.000000^*
Shares after: 20,813
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,469
Exercise price
Footnotes: F2, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote 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.

Footnote F2

Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

Footnote F3

Reflects shares withheld to cover the Reporting Person's tax liability in connection with the vesting of the HSKB Phantom Units reported herein.

Footnote F4

Reflects shares withheld to cover the Reporting Person's tax liability in connection with the vesting of the restricted stock units reported herein.

Footnote 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.

Footnote 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.