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Insider Trading

Last Updated: 3 hours ago

John J Zillmer has an estimated net worth of at least $35.1 million*, as of today. They own 670,086 shares of ARMK stock. They have sold 96,000 shares of ARMK stock since 2021, for an estimated $-249,569.

John J Zillmer $ARMK SEC Form 4 Insider Trading

John J Zillmer has filed a total of 1 insider trades in $ARMK since 2021. Their most recent trade was a purchase of 6,387 shares, made on Aug 07, 2025. Their largest trade was a purchase of 6,387 shares, made on Aug 07, 2025. We estimate that they now own 670,086 shares of $ARMK, worth an estimated $35.3 million.



Insider Trading at $ARMK

There have been a total of 9 insider trades reported at $ARMK since 2021, with 6,387 shares purchased and 112,083 shares sold. The most active insider traders in $ARMK stock have been Lauren A Harrington, Lauren A Harrington, and John J Zillmer. The most recent trade was a sale of 8,852 shares reported by Lauren A Harrington (EVP and General Counsel), made on May 18, 2026.



History of Insider Stock Trades by John J Zillmer

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
ARMK logo ARMK Purchase 6,387 Aug 07, 2025 Aug. 7, 2025, 4:08 p.m.
CSX logo CSX Sale 16,000 Jun 06, 2022 June 8, 2022, 4:12 p.m.
CSX logo CSX Sale 80,000 Jul 26, 2021 July 27, 2021, 8 p.m.




$ARMK Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.