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Strategic Environmental & Energy Resources, Inc. provides clean-technologies, waste management, and related services in the United States and internationally. It operates through two segments, Environmental Solutions and Solid Waste. The company designs and sells dry scrubber solutions for management of hydrogen sulfide (H2S) in biogas, landfill gas, and petroleum processing operations under the H2SPlus and OdorFilter brands; develops and designs proprietary technologies and systems for conditioning biogas for use as renewable natural gas for a range of applications, such as transportation fuel and natural gas pipeline injection; and develops waste destruction technology using pyrolytic heating process combined with non-thermal plasma assisted oxidation under the CoronaLux brand. It also develops and designs advanced chemical absorbents and catalysts that enhance the capability of biogas produced from landfill, wastewater treatment, and agricultural digester operations, as well as offers soil amendment pellets. The company serves companies in the oil and gas refineries, regional landfills, medical waste destruction operations, agricultural companies, and food and beverage companies, as well as other commercial and industrial customers. Strategic Environmental & Energy Resources, Inc. is headquartered in Broomfield, Colorado.
Market information source · Sep 14, 2026
SEC company identity · Sep 14, 2026
Open-market timeline · full history
8 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Details | |
|---|---|---|---|---|
| Villamagna Fortunato | Sell | $4.7K | SEC | |
| Villamagna Fortunato |
| Sell |
| $3K |
| SEC |
| Villamagna Fortunato | Sell | $1.4K | SEC |
| Villamagna Fortunato | Sell | $1K | SEC |
| Villamagna Fortunato | Sell | $3.8K | SEC |
| Cardillo Michael John | Sell | $110K | SEC |
| Combs Joseph John III | Other | — | SEC |
| Cardillo Michael John | Sell | $100K | SEC |
| Villamagna Fortunato | Other | $1.1M | SEC |
| Cardillo Michael John | Sell | $275K | SEC |
| Jenkin John Paul | Exercise | $142.1K | SEC |
| Jenkin John Paul | Other | $61K | SEC |
| Jenkin John Paul | ExerciseD (derivative) | $90K | SEC |