Figures computed from official regulatory filings — .
Ownershipinsiders 0% · institutions 0%
In USD · as of Oct 5, 2026
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American Power Group Corporation designs, manufactures, sells, and installs dual-fuel conversion systems in the United States. Its products are used in the over-the-road fleets, return-to-base fleets, oil and gas, stationary power generation, emergency backup generators, data centers, and distributed power generation. The company was formerly known as GreenMan Technologies, Inc. and changed its name to American Power Group Corporation in August 2012. American Power Group Corporation was founded in 1992 and is based in Algona, Iowa. American Power Group Corporation operates as a subsidiary of Arrow, LLC.
Market information source · Oct 5, 2026
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
50 buys15 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Ho Gregory P. | Sell | n/a (No price was disclosed in the filing) | SEC | ||
| Ho Gregory P. |
| SellD (derivative) |
| n/a (No price was disclosed in the filing) |
| SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | Sell | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | Sell | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | Sell | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | Sell | n/a (No price was disclosed in the filing) | SEC |
| Ho Gregory P. | SellD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| MCDERMOTT CHARLES J | AwardD (derivative) | $33K | SEC |