Calumet, Inc. /DE (CLMT) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 13, 2026 reveals that Calumet's three principal insider shareholders consist of TenPercentOwner Group Heritage (12.59Mn shares), Director Jennifer Straumins (943.44K shares), Evp Montana Renewables Bruce A Fleming (537.50K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Group Heritage 12,587,209 12 Jul, 2024
Jennifer Straumins 943,438 05 Dec, 2025
Bruce A Fleming Evp Montana Renewables 537,498 19 Dec, 2025
James S Carter 394,632 21 Jan, 2025
Stephen P Mawer 283,652 24 Apr, 2025
Amy M Schumacher 251,093 05 Dec, 2025
Louis Todd Borgmann Chief Executive Officer 235,566 13 Mar, 2025
Scott Obermeier Evp Specialties 224,150 13 Mar, 2025
Daniel J Sajkowski 167,268 05 Dec, 2025
Gregory J Morical Svp And General Counsel 39,415 16 Jun, 2025
John G. Boss 28,793 05 Dec, 2025
Daniel L Sheets 26,824 15 May, 2025
Paul C Raymond 24,733 05 Dec, 2025
Vincent Donargo Chief Accounting Officer 14,005 13 Mar, 2025
Karen A. Twitchell 6,322 05 Dec, 2025
David Lunin Evp Cfo 2,500 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
17 Dec, 2025 Bruce A Fleming Common Stock, par value $0.01 per share D 50,000 $0.00 537,498 D G
04 Dec, 2025 Paul C Raymond Common Stock, par value $0.01 per share A 5,053 $0.00 24,733 D M
04 Dec, 2025 Jennifer Straumins Common Stock, par value $0.01 per share A 5,053 $0.00 943,438 D M
04 Dec, 2025 Karen A. Twitchell Common Stock, par value $0.01 per share A 2,526 $0.00 6,322 D M
04 Dec, 2025 Daniel J Sajkowski Common Stock, par value $0.01 per share A 5,053 $0.00 169,290 D M
04 Dec, 2025 Daniel J Sajkowski Common Stock, par value $0.01 per share D 2,022 $0.00 167,268 D S
04 Dec, 2025 Amy M Schumacher Common Stock, par value $0.01 per share A 5,053 $0.00 251,093 D M
04 Dec, 2025 John G. Boss Common Stock, par value $0.01 per share A 2,526 $0.00 29,804 D M
04 Dec, 2025 John G. Boss Common Stock, par value $0.01 per share D 1,011 $0.00 28,793 D S
16 Jun, 2025 Jennifer Straumins Common Stock, par value $0.01 per share D 100,000 $16.23 934,589 D S
16 Jun, 2025 Gregory J Morical - - 39,415 D
16 Jun, 2025 Gregory J Morical Common Stock, par value $0.01 per share D 25,123 $16.69 39,415 D S
13 Jun, 2025 Jennifer Straumins Common Stock, par value $0.01 per share D 50,000 $15.08 1,034,589 D S
05 Jun, 2025 Jennifer Straumins Common Stock, par value $0.01 per share D 100,000 $13.17 1,084,589 D S
14 May, 2025 Daniel L Sheets - - 26,824 D
14 May, 2025 Daniel L Sheets Common Stock, par value $0.01 per share D 10,000 $13.79 26,824 D S
13 May, 2025 Daniel L Sheets Common Stock, par value $0.01 per share D 10,000 $13.81 46,824 D S
13 May, 2025 Daniel L Sheets - - 56,824 D
13 May, 2025 Daniel L Sheets - - 46,824 D
13 May, 2025 Daniel L Sheets - - 36,824 D