MacLennan David
SEC Form 4 insider trading activity
MacLennan David has filed 12 SEC Form 4 filings (18 transaction rows) across 2 companies, including ECL, CAT, with disclosures dating back to 2025. 11 of those filings fall inside the rolling window. Most recent filing: Oct 2, 2026.
On the most recent filing, MacLennan David is listed as Director at ECOLAB INC. Inside the rolling window, MacLennan David reported 5 open-market purchases totaling $1.0M in ECL and CAT and no open-market sales. The largest disclosed transaction in the window is a purchase of 1,000 ECL shares on May 13, 2026, worth $251K.
Companies traded
Other insiders at ECL
Insider Buying
$1.0M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has MacLennan David made?
MacLennan David has filed 12 SEC Form 4 filings (18 transaction rows) across 2 companies, including ECL, CAT since 2025.
Which companies does MacLennan David trade?
MacLennan David has filed SEC Form 4 disclosures for 2 companies, including ECL, CAT.
When was MacLennan David's most recent SEC Form 4 filing?
MacLennan David's most recent SEC Form 4 filing on Tracefour is dated Oct 2, 2026.
What is MacLennan David's total buy and sell value in the current window?
Inside the rolling retention window, MacLennan David bought $1.0M and sold $0 based on SEC Form 4 filings.
What was MacLennan David's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 1,000 ECL shares on 2026-05-13, worth $251K, per SEC Form 4 filings.