Star Group, L.P. (SGU) has 20 known insider and institutional holders on record. The largest holder is Kestrel Energy Partners LLC with 12,761,350 shares. Other notable holders include Hartree Partners, LP and Bandera Partners LLC.
Over the last 12 months, insiders have made 10 transactions in SGU stock — 2 buys (valued at $178.11K) and 1 sells (valued at $8.43M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
SGU Insider Ownership
Top Holder
Kestrel Energy Partners LLC
12,761,350 shares
Buys (12 mo)
2
$178.11K value
Sells (12 mo)
1
$8.43M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Kestrel Energy Partners Llc |
Director |
12,761,350 |
2012-05-30 |
|
| 2 |
Hartree Partners, Lp |
10 Percent Owner |
3,400,907 |
2025-09-04 |
|
| 3 |
Bandera Partners Llc |
10 Percent Owner, Other: See Footnote 1 |
2,745,360 |
2025-06-03 |
|
| 4 |
Lubar Sheldon B |
Director |
1,254,662 |
2017-02-21 |
|
| 5 |
Yorktown Energy Partners Vi Lp |
10 Percent Owner |
427,734 |
2018-02-12 |
|
| 6 |
Yorktown Vi Associates Llc |
10 Percent Owner |
427,734 |
2018-02-12 |
|
| 7 |
Lawrence Bryan H |
Director |
427,734 |
2021-12-30 |
|
| 8 |
Sevin Irik |
Director |
271,476 |
2005-09-14 |
|
| 9 |
Vermylen Paul A Jr |
Director |
218,515 |
2023-12-01 |
|
| 10 |
Edelman Thomas J |
Director |
104,664 |
2004-01-21 |
|
| 11 |
Biddelman Paul |
Director |
68,480 |
2005-06-29 |
|
| 12 |
Ambury Richard |
Chief Financial Officer |
43,390 |
2022-05-24 |
|
| 13 |
Goldman Steven Jay |
President and CEO |
38,500 |
2018-08-16 |
|
| 14 |
Nicoletti William P |
Director |
35,506 |
2011-03-08 |
|
| 15 |
Donovan Daniel P. |
Director |
24,003 |
2020-05-18 |
|
| 16 |
Donovan Dan |
President and CEO |
23,000 |
2012-02-28 |
|
| 17 |
Baxter Scott |
Director |
15,000 |
2025-08-14 |
|
| 18 |
Woosnam Jeffrey M |
President and CEO |
15,000 |
2022-05-24 |
|
| 19 |
Babcock Henry D |
Officer |
10,000 |
2020-10-22 |
|
| 20 |
Cavanaugh Joseph |
Director |
10,000 |
2008-05-14 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-11-05 |
Hammond Jeffrey S |
Chief Operating Officer |
Informative Buy |
105 |
$11.99 |
$1.26K |
| 2025-09-30 |
Hammond Jeffrey S |
Officer |
Unknown |
- |
- |
- |
| 2024-09-30 |
Hammond Jeffrey S |
Officer |
Unknown |
- |
- |
- |
| 2023-09-30 |
Hammond Jeffrey S |
Officer |
Unknown |
- |
- |
- |
| 2022-09-30 |
Hammond Jeffrey S |
Officer |
Unknown |
- |
- |
- |
| 2021-09-30 |
Hammond Jeffrey S |
Officer |
Unknown |
- |
- |
- |
| 2020-09-30 |
Hammond Jeffrey S |
Officer |
Unknown |
- |
- |
- |
| 2025-08-06 |
Hartree Partners, Lp |
10 Percent Owner |
Unknown |
- |
- |
- |
| 2025-08-13 |
Baxter Scott |
Director |
Informative Buy |
15,000 |
$11.79 |
$176.85K |
| 2025-05-30 |
Bandera Partners Llc |
10 Percent Owner, Other: See Footnote 1 |
Informative Sell |
700,000 |
$12.04 |
$8.43M |
