Calumet, Inc. (CLMT) has 20 known insider and institutional holders on record. The largest holder is Straumins Jennifer with 1,034,589 shares. Other notable holders include Go Timothy and Sajkowski Daniel J.
Over the last 12 months, insiders have made 84 transactions in CLMT stock — 47 buys (valued at $1.8K) and 15 sells (valued at $5.58M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
CLMT Insider Ownership
Top Holder
Straumins Jennifer
1,034,589 shares
Buys (12 mo)
47
$1.8K value
Sells (12 mo)
15
$5.58M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Straumins Jennifer |
Director |
1,034,589 |
2025-06-16 |
|
| 2 |
Go Timothy |
Chief Executive Officer |
232,620 |
2020-03-17 |
|
| 3 |
Sajkowski Daniel J |
Director |
81,958 |
2026-04-02 |
|
| 4 |
William A Anderson |
EVP - Sales |
70,036 |
2019-03-25 |
|
| 5 |
Griffin David West |
EVP and CFO |
65,390 |
2019-04-03 |
|
| 6 |
Bohnert Christopher H |
Chief Accounting Officer |
50,676 |
2019-05-01 |
|
| 7 |
Jennings H. Keith |
Chief Financial Officer |
30,776 |
2020-03-17 |
|
| 8 |
Donargo Vincent |
Chief Accounting Officer |
16,632 |
2025-02-27 |
|
| 9 |
Grube Ferdinand William |
Executive Vice Chairman of Bod |
10,800 |
2020-03-11 |
|
| 10 |
Lawn Marc |
EVP - Sustainable Products |
7,821 |
2023-03-03 |
|
| 11 |
Obermeier Scott |
EVP - Specialties |
7,738 |
2026-02-26 |
|
| 12 |
Lunin David |
EVP - CFO |
7,080 |
2026-02-26 |
|
| 13 |
Narwold Karen G |
Director |
7,067 |
2025-06-13 |
|
| 14 |
Twitchell Karen A. |
Director |
7,067 |
2025-06-13 |
|
| 15 |
Quintana Julio M |
Director |
7,067 |
2025-06-13 |
|
| 16 |
Fleming Bruce A |
EVP - Montana Renewables |
4,349 |
2026-04-02 |
|
| 17 |
Sheets Daniel L |
Director |
3,796 |
2025-06-11 |
|
| 18 |
Carter James S |
Director |
3,796 |
2025-06-11 |
|
| 19 |
Borgmann Louis Todd |
Chief Executive Officer |
2,391 |
2026-04-02 |
|
| 20 |
Willman Ryan |
Chief Accounting Officer |
1,500 |
2024-03-08 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Krutz John Robert |
Chief Accounting Officer |
RSU Award |
310 |
- |
- |
| 2026-03-31 |
Morical Gregory J |
SVP, General Counsel |
RSU Award |
334 |
- |
- |
| 2026-03-31 |
Borgmann Louis Todd |
Chief Executive Officer |
RSU Award |
2,391 |
- |
- |
| 2026-03-31 |
Fleming Bruce A |
EVP - Montana Renewables |
RSU Award |
4,349 |
- |
- |
| 2026-04-01 |
Sajkowski Daniel J |
Director |
Informative Sell |
3,310 |
$34.46 |
$114.06K |
| 2026-03-09 |
Morical Gregory J |
SVP, General Counsel |
Option Exercise (Sell) |
15,348 |
- |
- |
| 2026-03-09 |
Borgmann Louis Todd |
Chief Executive Officer |
Option Exercise (Sell) |
49,974 |
- |
- |
| 2026-03-09 |
Obermeier Scott |
EVP - Specialties |
Option Exercise (Sell) |
24,090 |
- |
- |
| 2026-03-09 |
Fleming Bruce A |
EVP - Montana Renewables |
Option Exercise (Sell) |
20,621 |
- |
- |
| 2026-03-09 |
Mawer Stephen P |
Director |
Option Exercise (Sell) |
27,806 |
- |
- |
| 2026-02-24 |
Krutz John Robert |
Chief Accounting Officer |
RSU Award |
2,365 |
- |
- |
| 2026-02-24 |
Morical Gregory J |
SVP, General Counsel |
RSU Award |
4,432 |
- |
- |
| 2026-02-24 |
Lunin David |
EVP - CFO |
RSU Award |
7,080 |
- |
- |
| 2026-02-24 |
Borgmann Louis Todd |
Chief Executive Officer |
RSU Award |
64,102 |
- |
- |
| 2026-02-24 |
Obermeier Scott |
EVP - Specialties |
RSU Award |
7,738 |
- |
- |
| 2026-02-24 |
Boss John G. |
Director |
RSU Award |
85 |
- |
- |
| 2026-02-24 |
Fleming Bruce A |
EVP - Montana Renewables |
RSU Award |
7,700 |
- |
- |
| 2026-02-24 |
Mawer Stephen P |
Director |
RSU Award |
391 |
- |
- |
| 2026-02-24 |
Schumacher Amy M |
Director |
RSU Award |
260 |
- |
- |
| 2025-12-04 |
Sajkowski Daniel J |
Director |
Informative Sell |
2,022 |
- |
- |
| 2025-07-01 |
Sajkowski Daniel J |
Director |
Informative Sell |
2,000 |
$15.77 |
$31.54K |
| 2025-06-24 |
Sajkowski Daniel J |
Director |
Informative Sell |
1,518 |
- |
- |
| 2025-06-02 |
Sajkowski Daniel J |
Director |
Informative Sell |
20,000 |
$13.40 |
$268K |
| 2025-05-01 |
Sajkowski Daniel J |
Director |
Informative Sell |
20,000 |
$10.66 |
$213.2K |
| 2025-04-01 |
Sajkowski Daniel J |
Director |
Informative Sell |
20,000 |
$12.55 |
$251K |
