David MacLennan bought $251K of Ecolab (ECL)
Executed May 13, disclosed May 14, 1 day later.
Over the 21 trading sessions from the disclosed entry session (May 14), the stock returned +6.2% (delay-adjusted); from the execution session (May 13), +5.1%. Derived: entry at the session's open, exit at the close 20 sessions later.
David MacLennan (Director) filed 5 Form 4 reports in the trailing twelve months (5 purchases, 0 sales), most often in Ecolab Inc. (ECL). Across 5 priced purchase filings, the average 21-session return was +3.2% from execution and +3.8% from disclosure (delay-adjusted; derived). The largest single filing was $251K of ECL (1,000 sh × $250.65, as filed), executed May 13.
Basic Materials · Ecolab Inc. provides water, hygiene, and infection prevention solutions and services in the United States and internationally
More Basic Materials filings→ Insider filings, newest first→ View the original filing at www.sec.gov→800 sh × $256.91
Exec May 4
Filed May 5 · 5:27 PM ET ECLPURCHASE Ecolab Inc. $193K
750 sh × $257.60
Exec Dec 8 2025
Filed Dec 8 2025 · 4:25 PM ET ECLPURCHASE Ecolab Inc. $167K
600 sh × $278.51
Exec Aug 13 2025
Filed Aug 15 2025 · 4:43 PM ET ECLPURCHASE Ecolab Inc. $126K
500 sh × $251.75
Exec May 7 2025
Filed May 9 2025 · 5:30 PM ET ECLPURCHASE Ecolab Inc. $106K
400 sh × $264.51
Exec Feb 13 2025
Filed Feb 18 2025 · 5:30 PM ET