Insiders who reported open-market trades in the last 12 months at the companies John J. Zillmer 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.
Christophe Beck - $16.83M in ECL purchases and sales in the last 12 months
Marc A. Bruno - $4.31M in ARMK purchases and sales in the last 12 months
Nicholas J. Alfano - $2.88M in ECL purchases and sales in the last 12 months
Darrell R. Brown - $2.61M in ECL purchases and sales in the last 12 months
Gregory B. Cook - $2.37M in ECL purchases and sales in the last 12 months
Michel D. Doukeris - $2.00M in ECL purchases and sales in the last 12 months
More insiders (A-Z)
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John J. Zillmer is a corporate insider, tracked as Chief Executive Officer, Director of Aramark (ARMK). InsiderAlpha holds 30 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 John J. Zillmer submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Has John J. Zillmer been buying or selling stock?
Recorded transactions: 1 open-market purchase ($250K) and 1 open-market sale ($464K) across all tracked filings.
John J. Zillmer is Chief Executive Officer, Director of Aramark (ARMK). 30 SEC Form 4 filings on record going back to 2024, most recently on 6 October 2026. Most recent open-market trade: sold $464K of CSX on 4 June 2026. Lifetime open-market purchases: $250K. Lifetime open-market sales: $464K.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by John J. Zillmer.
InsiderAlpha's records for John J. Zillmer go back to 2024: 30 primary Form 4 filings, an average of 10.0 per year. The typical open-market purchase is $250K (1 buy totaling $250K). The largest single buy on record is $250K of ARMK in 2025. Sales side: 1 recorded sale totaling $464K, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
