Insiders who reported open-market trades in the last 12 months at the companies Michael Graham O'Brien files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
James M. Roth - $654K in GTM purchases and sales in the last 12 months
Ashley McGrane - $237K in GTM purchases and sales in the last 12 months
Domenic Maida - $99K in GTM purchases and sales in the last 12 months
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Michael Graham O'Brien is a corporate insider, tracked as CFO of ZoomInfo Technologies Inc. (GTM). InsiderAlpha holds 21 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michael Graham O'Brien submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Michael Graham O'Brien been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($40K) across all tracked filings.
Michael Graham O'Brien is CFO of ZoomInfo Technologies Inc. (GTM). 21 SEC Form 4 filings on record going back to 2024, most recently on 13 October 2026. Most recent open-market trade: sold $20K of GTM on 13 October 2026. Lifetime open-market sales: $40K.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Michael Graham O'Brien.
InsiderAlpha's records for Michael Graham O'Brien go back to 2024: 21 primary Form 4 filings, an average of 7.0 per year. 2 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
