King Margeaux 4

What Happened
Margeaux King, Executive Vice President — Human Resources at Ecolab, had 1,662 restricted stock units (RSUs vest) convert into 1,662 shares of Ecolab common stock on 2026-02-25. The RSUs convert on a one-for-one basis and carried no exercise price (reported as $0). Based on the reported withholding price of $306.04, the vested shares had an implied market value of about $508,638. Of those shares, 527.166 were withheld to cover minimum statutory tax obligations, generating $161,334 in withholding. Net shares delivered to King from this vesting were approximately 1,134.834 shares.

Key Details

• Transaction date: 2026-02-25; Form 4 filed 2026-02-26 (timely filing).
• Vesting/conversion: 1,662 RSUs -> 1,662 common shares (derivative code M; $0 exercise price).
• Tax withholding: 527.166 shares withheld (disposition code F) at $306.04 for $161,334 (footnote F1).
• Vesting context: This represents the first of three scheduled vestings from a grant of 4,988 RSUs dated 2025-02-25 (footnote F3). RSUs convert 1:1 to common stock (footnote F2).
• Shares owned after the transaction: not specified in the supplied filing details; net shares issued from this vesting ≈ 1,134.834.

Context
This was a routine vesting of RSUs, not a market purchase or open-market sale. The reporting shows a common “cashless” outcome where a portion of the vested shares are withheld to satisfy tax obligations — a standard administrative step (code F). Such vestings are compensation events and do not by themselves indicate the insider is buying or selling stock to express a market view.