Star Group, L.p. insider trading
Every open-market purchase and sale by Star Group, L.p.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.
| Date | Insider | Trade | Shares | Price | Value | 1M after | 3M after | 6M after |
|---|
Does following Star Group, L.p.’s insiders pay?
From May 13, 2010 to August 14, 2025, 14 insiders reported 56 open-market purchases and 6 sales not made under a pre-set plan in Star Group, L.p. Twelve months after each purchase was reported, the shares were −1.9% against the S&P 500 on average (median −2.9%), over 28 purchases with a full year of prices; 32% beat the index. After sales, the shares moved −33.6% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on February 17, 2011 into $37,038 by November 2, 2026, +8.7% a year. It held shares 47% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $28,272 (+6.9% a year), and held throughout $74,234 (+13.7%).
| Insider | Role | Purchases | 12 months after their purchases | Beat the S&P 500 | Sales | 12 months after their sales | Latest report |
|---|---|---|---|---|---|---|---|
| Kestrel Energy Partners LLC | 10% owner | 12 | — | — | 0 | — | May 29, 2012 |
| Lubar Sheldon B | Director | 9 | −16.0% (9) | 0% | 0 | — | March 2, 2011 |
| Ambury Richard | Chief Financial Officer | 7 | +6.8% (6) | 67% | 0 | — | May 24, 2022 |
| Goldman Steven Jay | President and CEO | 7 | +6.5% (4) | 75% | 0 | — | August 16, 2018 |
| Bylinsky Gregory | Other | 4 | — | — | 1 | — | December 9, 2011 |
| Bandera Partners LLC | 10% owner | 2 | — | — | 1 | −12.8% (1) | June 3, 2025 |
| Donovan Daniel P. | President and CEO | 3 | +0.4% (2) | 50% | 0 | — | May 18, 2020 |
| Gramm Jefferson | 10% owner | 1 | — | — | 2 | −45.8% (2) | June 20, 2023 |
| Shpiz Andrew | 10% owner | 2 | — | — | 1 | −30.0% (1) | June 25, 2012 |
| Vermylen Paul A Jr | Director | 3 | −2.0% (2) | 0% | 0 | — | May 13, 2020 |
| Woosnam Jeffrey M | President and CEO | 3 | +11.7% (3) | 33% | 0 | — | May 24, 2022 |
| Baxter Scott | Director | 1 | −5.4% (1) | 0% | 1 | — | August 14, 2025 |
| Babcock Henry D | Director | 1 | — | — | 0 | — | February 14, 2012 |
| Hammond Jeffrey S | Chief Operating Officer | 1 | −2.1% (1) | 0% | 0 | — | February 14, 2020 |
When several insiders traded Star Group, L.p.
Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Star Group, L.p. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 4 buying crowds with six months of prices, it averaged +0.1% against the index. One company's history is too short to judge by; the test across every company is the better guide.
| Month | Crowd | 3 months on, vs S&P 500 | 6 months | 12 months |
|---|---|---|---|---|
| May 31, 2022 | 2 buying | −3.8% | −7.6% | +46.2% |
| February 28, 2020 | 4 buying | −13.8% | −11.9% | −17.7% |
| August 31, 2018 | 2 buying | +6.6% | +8.4% | +1.3% |
| May 31, 2016 | 2 buying | +0.3% | +11.6% | +4.0% |