Summary
Updated Aug 30, 2026
Marion K. Gross files SEC Form 4 reports at ECOLAB INC. (ECL). 6 SEC Form 4 filings on record going back to 2024, most recently on 2 July 2026. Most recent open-market trade: sold $441K of MCD on 5 November 2024. Lifetime open-market sales: $441K.
Recent Transactions
6Every recent SEC Form 4 transaction Marion K. Gross has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Marion K. Gross 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 of ECL open-market activity in the last 12 months
- Nicholas J. Alfano - $2.88M of ECL open-market activity in the last 12 months
- Darrell R. Brown - $2.61M of ECL open-market activity in the last 12 months
- Gregory B. Cook - $2.37M of ECL open-market activity in the last 12 months
- Michel D. Doukeris - $2.00M of ECL open-market activity in the last 12 months
- Scott D. Kirkland - $930K of ECL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Marion K. Gross?
Marion K. Gross is a corporate insider of ECOLAB INC. (ECL). InsiderAlpha holds 6 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 Marion K. Gross submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Marion K. Gross been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($441K) across all tracked filings.
Where can I see all of Marion K. Gross's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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