Officer
WILLIAM KOSTELKA
1 organizations • 11 returns • Latest tax year 2025
Treasurer
Name Match Caveat
This page groups activity by normalized name only. It may combine different people who share the same name.
Organizations
1
Returns
11
Total Compensation
$0
Total Benefits
$0
Organizations
| Organization | EIN | Returns | Latest Year | Latest Title | Compensation |
|---|---|---|---|---|---|
| Starbase of Louisiana Inc | 72-1445494 | 11 | 2025 | Treasurer | $0 |
Returns
| Tax Year | Organization | Type | Title | Hours / Week | Compensation | Benefits | Return |
|---|---|---|---|---|---|---|---|
| 2025 | Starbase of Louisiana Inc | 990 | Treasurer | 0.5 | $0 | $0 | View return |
| 2024 | Starbase of Louisiana Inc | 990 | Treasurer | - | $0 | $0 | View return |
| 2023 | Starbase of Louisiana Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Starbase of Louisiana Inc | 990 | Treasurer | - | $0 | $0 | View return |
| 2021 | Starbase of Louisiana Inc | 990 | Treasurer | - | $0 | $0 | View return |
| 2020 | Starbase of Louisiana Inc | 990 | Treasurer | - | $0 | $0 | View return |
| 2019 | Starbase of Louisiana Inc | 990 | Treasurer | - | $0 | $0 | View return |
| 2018 | Starbase of Louisiana Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2017 | Starbase of Louisiana Inc | 990 | Treasurer | - | $0 | $0 | View return |
| 2016 | Starbase of Louisiana Inc | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2015 | Starbase of Louisiana Inc | 990EZ | Treasurer | 1 | $0 | - | View return |