CLMT insider trading — Calumet, Inc.
Over the last 90 days, insiders at Calumet, Inc. (CLMT) made 0 open-market purchases worth $0 and 1 open-market sale worth $0, making them evenly split. The largest sale was by Mawer Stephen P (Director), who sold 24,555 shares for $0 on Sep 25, 2026.
Updated Oct 16, 2026.
Recent CLMT insider transactions
Every Form 4 filed by Calumet, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 25, 2026 | Borgmann Louis Todd | CHIEF EXECUTIVE OFFICER | M · Option exercise | Direct | 107,428 | — | — | Form 4 |
| Sep 25, 2026 | Borgmann Louis Todd | CHIEF EXECUTIVE OFFICER | F · Tax withholding | Direct | 46,901 | — | — | Form 4 |
| Sep 25, 2026 | Fleming Bruce A | EVP - MONTANA RENEWABLES | M · Option exercise | Direct | 107,428 | — | — | Form 4 |
| Sep 25, 2026 | Fleming Bruce A | EVP - MONTANA RENEWABLES | F · Tax withholding | Direct | 42,190 | — | — | Form 4 |
| Sep 25, 2026 | Morical Gregory J | SVP, GENERAL COUNSEL | M · Option exercise | Direct | 30,694 | — | — | Form 4 |
| Sep 25, 2026 | Morical Gregory J | SVP, GENERAL COUNSEL | F · Tax withholding | Direct | 13,560 | — | — | Form 4 |
| Sep 25, 2026 | Mawer Stephen P | Director | M · Option exercise | Direct | 61,387 | — | — | Form 4 |
| Sep 25, 2026 | Mawer Stephen P | Director | S · Sale | Direct | 24,555 | — | — | Form 4 |
CLMT insider trading FAQ
Are insiders buying CLMT stock?
Not on the open market. In the last 90 days, Calumet, Inc. insiders made no open-market purchases, and 1 open-market sale totaling $0. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading CLMT?
Recent sellers: Mawer Stephen P.
Where does CLMT insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.