Clean Harbors (NYSE: CLH) chair reports 1,265-share tax withholding event
Rhea-AI Filing Summary
On July 17, 2026, Clean Harbors Inc. executive chair and CTO Alan S. McKim reported a tax-withholding disposition of 1,265 shares of common stock at $310.58 per share, used to satisfy tax liabilities on vesting awards under Rule 16b3. After this withholding, he holds 30,154 shares directly and indirectly holds 2,065,368 shares in the McKim 2007 Trust, 67,093 shares in the McKim 2025 Annuity Trust, and 100,000 shares in the McKim 2026 Annuity Trust.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Seller: 1,265 shares
Net Sell
4 txns
Insider
MCKIM ALAN S
Role
EXEC CHAIR, CTO.
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Tax Withholding | Common Stock F1 | 1,265 | $310.58 | $393K |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 30,154 shares (Direct);
Common Stock — 100,000 shares (Indirect, McKim 2026 Annuity Trust);
Common Stock — 67,093 shares (Indirect, McKim 2025 Annuity Trust);
Common Stock — 2,065,368 shares (Indirect, McKim 2007 Trust)
Footnotes (1)
- F1. Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3
Key Figures
Shares withheld for taxes: 1,265 shares
Withholding price per share: $310.58 per share
Direct holdings after transaction: 30,154 shares
+3 more
6 metrics
Shares withheld for taxes
1,265 shares
Tax-withholding disposition on July 17, 2026
Withholding price per share
$310.58 per share
Value used for tax-withholding transaction
Direct holdings after transaction
30,154 shares
Common stock directly held after July 17, 2026 withholding
McKim 2007 Trust holdings
2,065,368 shares
Indirect ownership via McKim 2007 Trust
McKim 2025 Annuity Trust holdings
67,093 shares
Indirect ownership via McKim 2025 Annuity Trust
McKim 2026 Annuity Trust holdings
100,000 shares
Indirect ownership via McKim 2026 Annuity Trust
Key Terms
tax-withholding disposition, Rule 16b3, indirect ownership, Annuity Trust
4 terms
tax-withholding disposition financial
"reported a tax-withholding disposition of 1,265 shares of common stock"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
Rule 16b3 regulatory
"tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3"
indirect ownership financial
"total_shares_following_transaction held as indirect ownership via trusts"
Annuity Trust financial
"nature_of_ownership listed as McKim 2025 Annuity Trust and McKim 2026 Annuity Trust"
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What insider transaction did Alan S. McKim report for CLH?
Alan S. McKim reported a tax-withholding disposition of 1,265 shares of Clean Harbors common stock on July 17, 2026. The shares were withheld to cover tax liabilities related to vesting equity awards under Rule 16b3, not sold in an open-market trade.
What indirect CLH holdings does Alan S. McKim report through trusts?
McKim reports indirect ownership of 2,065,368 shares via the McKim 2007 Trust, 67,093 shares via the McKim 2025 Annuity Trust, and 100,000 shares via the McKim 2026 Annuity Trust. These positions are classified as indirect ownership entries on the Form 4.
Was the CLH insider transaction made under a Rule 10b5-1 trading plan?
No. The Form 4’s Rule 10b5-1 checkbox is not marked, and the filing lists the event as a tax-withholding disposition. The transaction reflects shares withheld for taxes on vesting, not trades executed under a preset trading plan.