MacLennan David 4

What Happened
David MacLennan, a director of Ecolab Inc. (ECL), made an open-market purchase of 800 shares on May 4, 2026. The shares were acquired at $256.91 each, for a total reported transaction value of $205,530. This was a straight purchase (code P), which is generally interpreted as a direct acquisition rather than a sale or option exercise.

Key Details

• Transaction date: 2026-05-04 (filed on 2026-05-05) — appears to be filed promptly.
• Price: $256.91 per share.
• Shares acquired: 800 shares.
• Total value: $205,530.
• Shares owned after transaction: not specified in the provided filing.
• Footnotes/plan: No 10b5-1 plan, tax withholding, or other special footnotes were noted in the provided transaction details.

Context
Open-market purchases are direct buys on the public market and are often viewed as a more informative signal than routine sales, though they do not by themselves explain the insider’s motivation. This filing reports a modest-sized director purchase rather than an executive or 10% owner transaction.