| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Sep 2021 | 03 Sep 2021 | 001-13387 |
| 3 | Open Document | Open Filing | FORM 3 FOR HAROLD LYONS/AEROCENTURY CORP. | 02 Jan 2020 | 01 Jan 2020 | 001-13387 |