David Maclennan - Net Worth and Insider Trading
David Maclennan Net Worth
The estimated net worth of David Maclennan is at least $7 Million dollars as of 2025-04-25. David Maclennan is the Director of Ecolab Inc and owns about 22,976 shares of Ecolab Inc (ECL) stock worth over $5 Million. David Maclennan is the Director of Caterpillar Inc and owns about 5,738 shares of Caterpillar Inc (CAT) stock worth over $2 Million. David Maclennan is also the Director of C.H. Robinson Worldwide Inc and owns about 1,600 shares of C.H. Robinson Worldwide Inc (CHRW) stock worth over $143,600. Details can be seen in David Maclennan's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that David Maclennan has not made any transactions after 2025-02-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of David Maclennan
David Maclennan Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David Maclennan owns 3 companies in total, including Ecolab Inc (ECL) , C.H. Robinson Worldwide Inc (CHRW) , and Caterpillar Inc (CAT) .
Click here to see the complete history of David Maclennan’s form 4 insider trades.
Insider Ownership Summary of David Maclennan
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
ECL | Ecolab Inc | 2025-02-13 | director |
CHRW | C.H. Robinson Worldwide Inc | 2014-05-02 | director |
CAT | Caterpillar Inc | 2024-05-03 | director |
David Maclennan Latest Holdings Summary
David Maclennan currently owns a total of 3 stocks. Among these stocks, David Maclennan owns 22,976 shares of Ecolab Inc (ECL) as of February 13, 2025, with a value of $5 Million and a weighting of 74.2%. David Maclennan owns 5,738 shares of Caterpillar Inc (CAT) as of May 3, 2024, with a value of $2 Million and a weighting of 23.85%. David Maclennan also owns 1,600 shares of C.H. Robinson Worldwide Inc (CHRW) as of May 2, 2014, with a value of $143,600 and a weighting of 1.95%.
Latest Holdings of David Maclennan
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
ECL | Ecolab Inc | 2025-02-13 | 22,976 | 238.14 | 5,471,505 |
CAT | Caterpillar Inc | 2024-05-03 | 5,738 | 306.45 | 1,758,410 |
CHRW | C.H. Robinson Worldwide Inc | 2014-05-02 | 1,600 | 89.75 | 143,600 |
Holding Weightings of David Maclennan
David Maclennan Form 4 Trading Tracker
According to the SEC Form 4 filings, David Maclennan has made a total of 10 transactions in Ecolab Inc (ECL) over the past 5 years, including 10 buys and 0 sells. The most-recent trade in Ecolab Inc is the acquisition of 400 shares on February 13, 2025, which cost David Maclennan around $105,804.
According to the SEC Form 4 filings, David Maclennan has made a total of 6 transactions in Caterpillar Inc (CAT) over the past 5 years, including 6 buys and 0 sells. The most-recent trade in Caterpillar Inc is the acquisition of 500 shares on May 3, 2024, which cost David Maclennan around $168,695.
According to the SEC Form 4 filings, David Maclennan has made a total of 0 transactions in C.H. Robinson Worldwide Inc (CHRW) over the past 5 years. The most-recent trade in C.H. Robinson Worldwide Inc is the acquisition of 400 shares on May 2, 2014, which cost David Maclennan around $23,536.
Insider Trading History of David Maclennan
- 1
David Maclennan Trading Performance
GuruFocus tracks the stock performance after each of David Maclennan's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by David Maclennan is 0.18%. GuruFocus also compares David Maclennan's trading performance to market benchmark return within the same time period. The performance of stocks bought by David Maclennan within 3 months outperforms 6 times out of 24 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how David Maclennan's insider trading performs compared to the benchmark.
Performance of David Maclennan
David Maclennan Ownership Network
Ownership Network List of David Maclennan
Ownership Network Relation of David Maclennan

David Maclennan Owned Company Details
What does Ecolab Inc do?
Who are the key executives at Ecolab Inc?
David Maclennan is the director of Ecolab Inc. Other key executives at Ecolab Inc include Chief Technical Officer & SVP Larry L Berger , SVP & CORPORATE CONTROLLER Jennifer J Bradway , and EVP & CSCO Machiel Duijser .
Ecolab Inc (ECL) Insider Trades Summary
Over the past 18 months, David Maclennan made 4 insider transaction in Ecolab Inc (ECL) with a net purchase of 2,500. Other recent insider transactions involving Ecolab Inc (ECL) include a net sale of 2,006,813 shares made by Gates William H Iii , a net sale of 8,300 shares made by Arthur J Higgins , and a net sale of 22,281 shares made by Laurie M Marsh .
In summary, during the past 3 months, insiders sold 20,939 shares of Ecolab Inc (ECL) in total and bought 400 shares, with a net sale of 20,539 shares. During the past 18 months, 2,102,006 shares of Ecolab Inc (ECL) were sold and 2,500 shares were bought by its insiders, resulting in a net sale of 2,099,506 shares.
Ecolab Inc (ECL)'s detailed insider trading history can be found in Insider Trading Tracker table.
Ecolab Inc Insider Transactions
David Maclennan Mailing Address
Above is the net worth, insider trading, and ownership report for David Maclennan. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David Maclennan's mailing address is: Eden Prairie Mn 55347.