Employee Count History - Black Rock Petroleum Company
Historical employee count data from SEC filings.
Workforce Trend Analysis
Employee Count History
SEC Filing History
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| Filing Date | Period | Employee Count | Form Type | YoY Change |
|---|---|---|---|---|
| Nov 12, 2025 | Apr 30, 2023 | 0 | 10-K | 0.00% |
| Feb 27, 2023 | Apr 30, 2022 | 0 | 10-K | 0.00% |
| Aug 31, 2022 | Apr 30, 2021 | 0 | 10-K | 0.00% |
| Oct 30, 2020 | Apr 30, 2020 | 0 | 10-K | 0.00% |
| May 5, 2020 | Apr 30, 2019 | 0 | 10-K | 0.00% |
| Feb 28, 2020 | Apr 30, 2018 | 0 | 10-K | 0.00% |
Aug 14, 2017 | Apr 30, 2017 | — | — | — |
Jan 26, 2017 | Apr 30, 2016 | — | — | — |
Aug 10, 2015 | Aug 7, 2015 | — | — | — |
Aug 21, 2014 | Apr 30, 2014 | — | — | — |