John J. Zillmer

Director, Ecolab.

Companies

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

  • Aramark ARMK1,021,792 shares8$56.8M at $55.60Sep 9, 2026
  • CSX Corporation CSX353,714 shares9$17.0M at $48.00Jun 3, 2026
  • Ecolab ECL49,540 shares10$14.2M at $287.42Sep 30, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

  • Sep 30, 2026Granted 131 shares of Ecolab10
  • Sep 9, 2026Granted 918 shares of Aramark8
  • Jun 30, 2026Granted 130 shares of Ecolab11
  • Jun 3, 2026Sold 10,000 shares at $46.45 of CSX Corporation9
  • Jun 3, 2026Granted 974 shares of Aramark12
  • Mar 31, 2026Granted 138 shares of Ecolab13
  • Mar 4, 2026Granted 1,265 shares of Aramark14
  • Mar 2, 2026Gift 5,850 shares of CSX Corporation15
  • Feb 26, 2026Granted 5,862 shares of CSX Corporation16
  • Feb 26, 2026Granted 4,455 shares of CSX Corporation16
  • Feb 13, 2026Shares withheld for tax 879 shares at $301.02 of Ecolab17
  • Feb 13, 2026Exercised options 2,300 shares at $115.08 of Ecolab17
  • Dec 31, 2025Granted 128 shares of Ecolab18
  • Dec 17, 2025Granted 1,372 shares of Aramark19
  • Dec 2, 2025Shares withheld for tax 5,468 shares at $37.08 of Aramark20
  • Dec 1, 2025Granted 51,241 shares at $37.08 of Aramark21
  • Nov 27, 2025Shares withheld for tax 6,570 shares at $37.30 of Aramark22
  • Nov 17, 2025Shares withheld for tax 5,231 shares at $38.03 of Aramark23
  • Nov 10, 2025Granted 150,742 shares of Aramark24
  • Sep 30, 2025Granted 123 shares of Ecolab25
  • Aug 20, 2025Granted 721 shares of Aramark26
  • Aug 7, 2025Bought 6,387 shares at $39.07 of Aramark27
  • Jun 30, 2025Granted 126 shares of Ecolab28
  • May 28, 2025Granted 719 shares of Aramark29
  • Mar 31, 2025Granted 134 shares of Ecolab30