Key facts
- This page summarizes Michael Graham O'Brien's Form 4 filing for ZoomInfo Technologies Inc. (GTM).
- 10 reported transactions and 4 derivative rows are listed below.
- Accepted by SEC: 04 Aug 2026, 16:09.
Michael Graham O'Brien - 01 Aug 2026 Form 4 Insider Report for ZoomInfo Technologies Inc. (GTM)
- SEC form
- 4
- Accepted by SEC
- 04 Aug 2026, 16:09:45 UTC
- Prior SEC filing
- 06 Jul 2026
- Next SEC filing
- 07 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Meredith Weisshaar, as Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Michael Graham O'Brien filed Form 4 for ZoomInfo Technologies Inc. (GTM) on 04 Aug 2026.
Change
- Previous filing in this sequence was filed on 06 Jul 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 04 Aug 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
- +1,541
- Change %
- +0.64%
- Price
- Shares after
- 242,525
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F1
GTM
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +3,469
- Change %
- +1.4%
- Price
- Shares after
- 245,994
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F2
GTM
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +29,400
- Change %
- +12%
- Price
- Shares after
- 275,394
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F2
GTM
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +91,384
- Change %
- +33%
- Price
- Shares after
- 366,778
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F2
GTM
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -758
- Change %
- -0.21%
- Price
- $3.30*
- Shares after
- 366,020
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F3
GTM
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -61,073
- Change %
- -17%
- Price
- $3.30*
- Shares after
- 304,947
- Date
- 01 Aug 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
- -1,541
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 1,542
- Date
- 01 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,541
- Exercise price
- Footnotes
- F1, F5
GTM
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -3,469
- Change %
- -17%
- Price
- $0.000000*
- Shares after
- 17,344
- Date
- 01 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,469
- Exercise price
- Footnotes
- F2, F6
GTM
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -29,400
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 01 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 29,400
- Exercise price
- Footnotes
- F2, F7
GTM
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -91,384
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 185,540
- Date
- 01 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 91,384
- Exercise price
- Footnotes
- F2, F8
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 8 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.
Footnote F7
The Reporting Person received an original grant of restricted stock units on September 10, 2024, which vest in its entirety on the date that is 12 months from the date on which a permanent Chief Financial Officer is employed by the Issuer.
Footnote F8
The Reporting Person received an original grant of restricted stock units on July 31, 2025, which vests as follows: (a) 33% on August 1, 2026; and (b) the remainder of the award in equal quarterly installments during the 24 months following August 1, 2026.