ARMK
ECL
CSX

John J. Zillmer

Known title: Chief Executive OfficerCIK: 0001188262

John J. Zillmer's purchase track record

John J. Zillmer has only 1 open-market purchase with a full 6 months of price history after it -- too few to call a track record yet.

PurchaseStockAmount3 months6 months
8/7/2025ARMK$250K-4.5%-0.8%

Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.

Associated companies

AI Market Commentary

AI-generatedAll commentary →

Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 5, 2026

Aramark Focuses on Sustainable Arena Experiences for 2026-27. Aramark is highlighting its plans for the upcoming 2026-27 arena season, emphasizing locally inspired fan experiences and efforts to reduce single-use waste like concert beer cups. These initiatives align with broader trends in the food service and entertainment sectors, where sustainability and personalized service are becoming key differentiators. While the stock currently trades near its support level, these operational updates provide context for the company's strategic direction in the live events market.

this person other insiders at ARMK

AI Market Commentary

AI-generatedAll commentary →

Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 17, 2026

RBC and Citi highlight Ecolab's pricing power and specialty chemical strength. Recent analyst notes from RBC Capital Markets and Citi have focused on Ecolab's ability to maintain pricing and organic growth. These firms view the company as a defensive option that may benefit from a weaker dollar. The positive sentiment aligns with the stock trading near its 52-week high, reflecting strong investor interest in its stable earnings profile.

this person other insiders at ECL

AI Market Commentary

AI-generatedAll commentary →

Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 17, 2026

CSX COO Retirement and Q3 Earnings Outlook Drive Investor Focus. CSX is managing a leadership transition after COO Michael Cory retired, with operational oversight shifting to the CEO. This change occurs as the railroad prepares to report third-quarter earnings, focusing investor attention on key metrics and cash flow valuation. The stock's position near its 52-week high has prompted discussions about whether the current price reflects fair value.

this person other insiders at CSX

Transaction History

ARMK▼ Sell$3.7M
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
CSX▼ Sell$465K
ECL▲ Buy$0
ARMK▲ Buy$0
CSX▼ Sell$0
CSX▲ Buy$0
CSX▲ Buy$0
ECL▼ Sell$265K
ECL▲ Buy$265K
ECL▲ Buy$0
ARMK▲ Buy$0
ARMK▼ Sell$203K
ARMK▲ Buy$1.9M
ARMK▼ Sell$245K
ARMK▼ Sell$199K
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
ARMK▲ Buy$250K
ECL▲ Buy$0
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
ECL▲ Buy$248K
ECL▼ Sell$248K
CSX▲ Buy$0
CSX▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
ARMK▲ Buy$1.9M
ARMK▼ Sell$332K
ARMK▼ Sell$424K
ARMK▼ Sell$287K
ARMK▲ Buy$0
ARMK▼ Sell$3.6M
ECL▲ Buy$0
ARMK▲ Buy$0
ARMK▲ Buy$5.0M
ECL▲ Buy$0
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
CSX▲ Buy$0
CSX▲ Buy$0
ECL▼ Sell$252K
ECL▲ Buy$252K
ECL▲ Buy$0
ARMK▲ Buy$0
ARMK▲ Buy$1.9M
ARMK▼ Sell$209K
ARMK▼ Sell$310K
ARMK▼ Sell$210K
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▼ Sell$848K
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
CSX▲ Buy$180K
CSX▲ Buy$250K
ECL▲ Buy$270K
ECL▼ Sell$269K
ECL▲ Buy$0
ARMK▼ Sell$590
ARMK▲ Buy$0
ARMK▼ Sell$211K
ARMK▼ Sell$322K
ARMK▲ Buy$1.9M
ECL▲ Buy$0
ARMK▼ Sell$757K
ARMK▲ Buy$0
ECL▲ Buy$0
CSX▼ Sell$516K
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▲ Buy$0
CSX▲ Buy$245K
CSX▲ Buy$169K
ECL▲ Buy$243K
ECL▼ Sell$243K
ECL▲ Buy$0
ARMK▲ Buy$0
ARMK▼ Sell$184K
ARMK▲ Buy$0
ECL▲ Buy$0
ARMK▼ Sell$3K
ARMK▲ Buy$0
ARMK▼ Sell$689K

We use analytics to understand how market-wall is used. No personal data is sold.