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CALUMET INC (CLMT) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:CLMT - US1314281049 - Common Stock

19.77 USD
+0.18 (+0.92%)
Last: 1/7/2026, 8:00:00 PM
19.77 USD
0 (0%)
After Hours: 1/7/2026, 8:00:00 PM
CLMT Ownership Chart.CLMT Ownership Chart: showing Insider, Institutional ownership and shares available to the public.CLMT Ownership.InsiderInstitutionalPublic



Shares Outstanding86.75M
Float67.62M
Float Short Interest Percentage11.64%
Owners (insider)2.98%
Owners (institutional)52.96%
Owners (insider) change-0.16%
Owners (institutional) change0%
CLMT Institutional Ownership HistoryCLMT Institutional Ownership HistoryCLMT Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M 40M
CLMT Historical Insider Transactions ChartCLMT Historical Insider Buy and Sell Transactions ChartCLMT Historical Insider Transactions Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 0 100K -100K 200K -200K 300K
Date Name Type Shares Price Amount
Dec 17, 2025 Fleming Bruce A Other Disposition 50000 0.00 $ 0.00
Dec 4, 2025 Boss John G. Option Excercise 2526 0.00 $ 0.00
Dec 4, 2025 Boss John G. Open Market Sale 1011 0.00 $ 0.00
Dec 4, 2025 Schumacher Amy M Option Excercise 5053 0.00 $ 0.00
Dec 4, 2025 Twitchell Karen A. Option Excercise 2526 0.00 $ 0.00
Dec 4, 2025 Straumins Jennifer Option Excercise 5053 0.00 $ 0.00
Dec 4, 2025 Sajkowski Daniel J Option Excercise 5053 0.00 $ 0.00
Dec 4, 2025 Sajkowski Daniel J Open Market Sale 2022 0.00 $ 0.00
Dec 4, 2025 Raymond Paul C Option Excercise 5053 0.00 $ 0.00
Jun 16, 2025 Morical Gregory J Open Market Sale 25123 16.69 $ 419,302.87
Jun 13, 2025 Straumins Jennifer Open Market Sale 150000 15.85 $ 2,377,000.00
Jun 5, 2025 Straumins Jennifer Open Market Sale 100000 13.17 $ 1,317,000.00
May 13, 2025 Sheets Daniel L Open Market Sale 40000 13.86 $ 554,200.00
Apr 22, 2025 Mawer Stephen P Open Market Sale 3655 9.29 $ 33,954.95
Mar 24, 2025 Mawer Stephen P Open Market Sale 3655 12.88 $ 47,076.40
Mar 11, 2025 Morical Gregory J Option Excercise 55634 0.00 $ 0.00
Mar 11, 2025 Morical Gregory J Option Excercise 24941 0.00 $ 0.00
Mar 11, 2025 Fleming Bruce A Option Excercise 173066 0.00 $ 0.00
Mar 11, 2025 Fleming Bruce A Option Excercise 68195 0.00 $ 0.00
Mar 11, 2025 DONARGO VINCENT Option Excercise 9024 0.00 $ 0.00
Mar 11, 2025 DONARGO VINCENT Option Excercise 4144 0.00 $ 0.00
Mar 11, 2025 Mawer Stephen P Option Excercise 169937 0.00 $ 0.00
Mar 11, 2025 Mawer Stephen P Option Excercise 75873 0.00 $ 0.00
Mar 11, 2025 Obermeier Scott Option Excercise 31606 0.00 $ 0.00
Mar 11, 2025 Obermeier Scott Option Excercise 13993 0.00 $ 0.00
Mar 11, 2025 Borgmann Louis Todd Option Excercise 114120 0.00 $ 0.00
Mar 11, 2025 Borgmann Louis Todd Option Excercise 49967 0.00 $ 0.00
Mar 6, 2025 Mawer Stephen P Open Market Sale 3655 12.64 $ 46,199.20
Mar 4, 2025 Lunin David Open Market Purchase 2500 13.05 $ 32,625.00
Jan 17, 2025 Mawer Stephen P Option Excercise 46572 0.00 $ 0.00
Jan 17, 2025 Mawer Stephen P Open Market Sale 18629 0.00 $ 0.00
Jan 17, 2025 Carter James S Option Excercise 66573 0.00 $ 0.00
Jan 17, 2025 Schumacher Amy M Option Excercise 55950 0.00 $ 0.00