The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 23, 2026 | Willkomm Wayne | CEO and President, Director | Buy(P) | 1K | $2.50 | $3K |
| Jun 16, 2026 | Kornelsen Michael | Director | Buy(P) | 100 | $2.50 | $250 |
| Feb 28, 2025 | Siecke Donald E. | Director | Option exercise(M) | 1K | $3.80 | $4K |
| Feb 28, 2025 | Siecke Donald E. | Director | Buy(P) | 16K | $3.80 | $61K |
| Feb 28, 2025 | Siecke Donald E. | Director | Option exercise(M) | 1K | — | $0 |
| Feb 28, 2025 | Kornelsen Michael | Director | Option exercise(M) | 1K | $3.80 | $4K |
| Feb 28, 2025 | Kornelsen Michael | Director | Option exercise(M) | 1K | — | $0 |
| Feb 28, 2025 | Kornelsen Vern D | Chief Financial Officer, Director | Buy(P) | 12K | $3.80 | $47K |
| Feb 28, 2025 | Willkomm Wayne | CEO and President, Director | Option exercise(M) | 38K | $3.80 | $143K |
| Feb 28, 2025 | Willkomm Wayne | CEO and President, Director | Option exercise(M) | 38K | — | $0 |
| Feb 28, 2025 | Heim Michelle | Controller | Sell(S) | 2K | $3.80 | $6K |
| Feb 28, 2025 | Heim Michelle | Controller | Option exercise(M) | 2K | $3.80 | $6K |
| Feb 28, 2025 | Heim Michelle | Controller | Option exercise(M) | 2K | — | $0 |
| Feb 28, 2025 | Kashenberg Adam W. | Director | Sell(P) | 1K | $3.80 | $4K |
| Jul 23, 2024 | Kornelsen Michael | Director | Buy(P) | 2K | $3.80 | $8K |
| Jul 23, 2024 | Siecke Donald E. | Director | Buy(P) | 78K | $3.80 | $297K |
| Jul 23, 2024 | Kornelsen Vern D | Chief Financial Officer, Director | Buy(P) | 46K | $3.80 | $173K |
| Dec 19, 2023 | Willkomm Wayne | CEO and President, Director | Buy(P) | 775 | $2.25 | $2K |
| Dec 15, 2023 | Willkomm Wayne | CEO and President, Director | Buy(P) | 850 | $2.22 | $2K |
| Mar 24, 2023 | Willkomm Wayne | CEO and President, Director | Buy(P) | 400 | $1.77 | $708 |
| Mar 24, 2023 | Willkomm Wayne | CEO and President, Director | Buy(P) | 800 | $1.76 | $1K |
| Mar 13, 2021 | Willkomm Wayne | CEO and President, Director | Grant(A) | 13K | — | $0 |
| Mar 13, 2021 | Heim Michelle | Controller | Grant(A) | 4K | — | $0 |
| Mar 1, 2020 | Kornelsen Michael | Director | Grant(A) | 1K | — | $0 |
| Oct 2, 2019 | Siecke Donald E. | Director | Buy(P) | 9K | $1.57 | $15K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-11. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).