Calumet, Inc. /DE (CLMT) Insider Ownership

Historic Insider Ownership Trends

Calumet's top three insider shareholders as of March 23, 2026 are Group Heritage (TenPercentOwner, 12.59Mn shares), Jennifer Straumins (Director, 943.44K shares), Bruce A Fleming (Evp Montana Renewables, 549.96K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Group Heritage 12,587,209 0 12 Jul, 2024
Jennifer Straumins 943,438 0 05 Dec, 2025
Bruce A Fleming Evp Montana Renewables 549,963 0 10 Mar, 2026
James S Carter 394,632 0 21 Jan, 2025
Stephen P Mawer 303,310 0 10 Mar, 2026
Louis Todd Borgmann Chief Executive Officer 263,742 0 10 Mar, 2026
Amy M Schumacher 251,093 0 05 Dec, 2025
Scott Obermeier Evp Specialties 237,656 0 10 Mar, 2026
Daniel J Sajkowski 167,268 0 05 Dec, 2025
Gregory J Morical Svp, General Counsel 47,811 0 10 Mar, 2026
John G. Boss 28,793 0 05 Dec, 2025
Daniel L Sheets 26,824 0 15 May, 2025
Paul C Raymond 24,733 0 05 Dec, 2025
Vincent Donargo Chief Accounting Officer 14,005 0 13 Mar, 2025
Karen A. Twitchell 6,322 0 05 Dec, 2025
David Lunin Evp Cfo 2,500 0 05 Mar, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
09 Mar, 2026 Bruce A Fleming Common Stock, par value $0.01 per share A 20,621 $0.00 558,119 D M
09 Mar, 2026 Louis Todd Borgmann Common Stock, par value $0.01 per share A 49,974 $0.00 285,540 D M
09 Mar, 2026 Stephen P Mawer Common Stock, par value $0.01 per share A 27,806 $0.00 315,899 D M
09 Mar, 2026 Scott Obermeier Common Stock, par value $0.01 per share A 24,090 $0.00 248,240 D M
09 Mar, 2026 Gregory J Morical Common Stock, par value $0.01 per share A 15,348 $0.00 54,763 D M
09 Mar, 2026 Louis Todd Borgmann Common Stock, par value $0.01 per share D 21,798 $0.00 263,742 D F
09 Mar, 2026 Scott Obermeier Common Stock, par value $0.01 per share D 10,584 $0.00 237,656 D F
09 Mar, 2026 Stephen P Mawer Common Stock, par value $0.01 per share D 12,589 $0.00 303,310 D F
09 Mar, 2026 Bruce A Fleming Common Stock, par value $0.01 per share D 8,156 $0.00 549,963 D F
09 Mar, 2026 Gregory J Morical Common Stock, par value $0.01 per share D 6,952 $0.00 47,811 D F
09 Mar, 2026 Bruce A Fleming Restricted Stock Unit D 20,621 $0.00 0 D M
09 Mar, 2026 Scott Obermeier Restricted Stock Unit D 24,090 $0.00 0 D M
09 Mar, 2026 Gregory J Morical Restricted Stock Unit D 15,348 $0.00 0 D M
09 Mar, 2026 Stephen P Mawer Restricted Stock Unit D 27,806 $0.00 0 D M
09 Mar, 2026 Louis Todd Borgmann Restricted Stock Unit D 49,974 $0.00 0 D M
24 Feb, 2026 John Robert Krutz Restricted Stock Unit A 2,365 $0.00 2,365 D A
24 Feb, 2026 Bruce A Fleming Restricted Stock Units A 10,850 $0.00 10,850 D A
24 Feb, 2026 John G. Boss Restricted Stock Unit A 256 $0.00 256 D A
24 Feb, 2026 Amy M Schumacher Restricted Stock Unit A 782 $0.00 782 D A
24 Feb, 2026 Scott Obermeier Restricted Stock Units A 9,654 $0.00 9,654 D A