INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
Corporate insider
OG

O'Brien Michael Graham

CFOCIK 0002034804

EDGAR filingsOpen in network
Disclosed transactions60
Buys / sells0 / 2
Max Insider Score27
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,542 sh
Nov 1, 2026Nov 3, 2026
traded Nov 1, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    ZoomInfo Technologies Inc.CFO · Dec 3, 2025
5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M
—
3,469 sh
Nov 1, 2026
Nov 3, 2026
traded Nov 1, 2026
+2d
SEC FORM 4

Evidence

13
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
3,469 sh
Nov 1, 2026Nov 3, 2026
traded Nov 1, 2026
+2dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
23.2K sh
Nov 1, 2026Nov 3, 2026
traded Nov 1, 2026
+2dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,542 sh
Nov 1, 2026Nov 3, 2026
traded Nov 1, 2026
+2dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$3,305
758 sh
Nov 1, 2026Nov 3, 2026
traded Nov 1, 2026
+2dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
23.2K sh
Nov 1, 2026Nov 3, 2026
traded Nov 1, 2026
+2dSEC FORM 4

Evidence

8
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$57K
13.1K sh
Nov 1, 2026Nov 3, 2026
traded Nov 1, 2026
+2dSEC FORM 4

Evidence

11
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Open-market sale · 10b5-1 plan
SELL$20K
5,000 sh
Oct 9, 2026Oct 13, 2026
traded Oct 9, 2026
+4dSEC FORM 4

Evidence

13
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,119 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,555 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
765 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

13
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
765 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,119 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,555 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
223 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,813 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

17
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
223 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,813 sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

13
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
49.2K sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
49.2K sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

12
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$124K
32.8K sh
Oct 1, 2026Oct 5, 2026
traded Oct 1, 2026
+4dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
214 sh
Sep 1, 2026Sep 3, 2026
traded Sep 1, 2026
+2dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$1,136
268 sh
Sep 1, 2026Sep 3, 2026
traded Sep 1, 2026
+2dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
328 sh
Sep 1, 2026Sep 3, 2026
traded Sep 1, 2026
+2dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
214 sh
Sep 1, 2026Sep 3, 2026
traded Sep 1, 2026
+2dSEC FORM 4

Evidence

5
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
328 sh
Sep 1, 2026Sep 3, 2026
traded Sep 1, 2026
+2dSEC FORM 4

Evidence

10
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Open-market sale · 10b5-1 plan
SELL$20K
5,000 sh
Aug 6, 2026Aug 7, 2026
traded Aug 6, 2026
+1dSEC FORM 4

Evidence

15
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,812 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

15
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,555 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

15
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
223 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

15
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
764 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

15
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,118 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

23
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
49.2K sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

22
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$96K
32.8K sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

27
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,555 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

23
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
223 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

23
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
764 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

19
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,812 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

19
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,118 sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

19
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
49.2K sh
Jul 1, 2026Jul 6, 2026
traded Jul 1, 2026
+5dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Grant or award
A—
393.8K sh
May 29, 2026Jun 2, 2026
traded May 29, 2026
+4dSEC FORM 4

Evidence

21
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
328 sh
Jun 1, 2026Jun 2, 2026
traded Jun 1, 2026
+1dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
214 sh
Jun 1, 2026Jun 2, 2026
traded Jun 1, 2026
+1dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
328 sh
Jun 1, 2026Jun 2, 2026
traded Jun 1, 2026
+1dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
214 sh
Jun 1, 2026Jun 2, 2026
traded Jun 1, 2026
+1dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$892
268 sh
Jun 1, 2026Jun 2, 2026
traded Jun 1, 2026
+1dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$4,738
758 sh
May 1, 2026May 5, 2026
traded May 1, 2026
+4dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
3,469 sh
May 1, 2026May 5, 2026
traded May 1, 2026
+4dSEC FORM 4

Evidence

17
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
3,469 sh
May 1, 2026May 5, 2026
traded May 1, 2026
+4dSEC FORM 4

Evidence

21
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,542 sh
May 1, 2026May 5, 2026
traded May 1, 2026
+4dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Tax withholding
F$11K
1,706 sh
May 1, 2026May 5, 2026
traded May 1, 2026
+4dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,542 sh
May 1, 2026May 5, 2026
traded May 1, 2026
+4dSEC FORM 4

Evidence

17
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
765 sh
Apr 1, 2026Apr 3, 2026
traded Apr 1, 2026
+2dSEC FORM 4

Evidence

13
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
7,813 sh
Apr 1, 2026Apr 3, 2026
traded Apr 1, 2026
+2dSEC FORM 4

Evidence

21
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
28.1K sh
Apr 1, 2026Apr 3, 2026
traded Apr 1, 2026
+2dSEC FORM 4

Evidence

13
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
28.1K sh
Apr 1, 2026Apr 3, 2026
traded Apr 1, 2026
+2dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
1,554 sh
Apr 1, 2026Apr 3, 2026
traded Apr 1, 2026
+2dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
224 sh
Apr 1, 2026Apr 3, 2026
traded Apr 1, 2026
+2dSEC FORM 4

Evidence

9
OG
O'Brien Michael GrahamCFO
GTMZoomInfo Technologies Inc.
Option exercise
M—
765 sh
Apr 1, 2026Apr 3, 2026
traded Apr 1, 2026
+2dSEC FORM 4

Evidence