Figures computed from official regulatory filings — .
Ask the machine
Search and compare insider transactions, companies and their statistics in plain language. Your question becomes a query over available data, not a conversation or investment advice.
Data for Heron Lake BioEnergy, LLC only. No web search. Global per-insider statistics are excluded.
An executed search uses one credit, even with no results. Errors and unsupported questions use no credits.
Business description unavailable in our sources.
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
13 buysbar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Granite Falls Energy, LLC | Buy | $46.6K | conv 38First in 12mo |
| SEC |
| Project Viking, LLC | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Project Viking, LLC | Other | $102K | SEC |
| Ferguson Robert J | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ferguson Robert J | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Kunerth Michael | Other | $9.9K | SEC |
| Woestehoff David J | Other | $501K | SEC |
| Woestehoff David J | Other | $150K | SEC |
| Woestehoff David J | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Woestehoff David J | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Woestehoff David J | Other | $150K | SEC |
| Woestehoff David J | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Schmitz Doug | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| McKeown Milton J | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Kunerth Michael | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ferguson Robert J | Other | $51K | SEC |
| Kunerth Michael | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Kunerth Michael | Other | $126K | SEC |
| McKeown Milton J | Other | $10.5K | SEC |
| Schmitz Doug | Other | $250.5K | SEC |
| Schmitz Doug | Other | $250.5K | SEC |
| Kunerth Michael | Other | $126K | SEC |
| Schmitz Doug | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ferguson Robert J | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Fagen Roland Jtrack record | Buy | $4.5M | conv 69ClusterFirst in 12mo | SEC |