Carl F Lambertus Trust
Invitation OnlyTulsa, Oklahoma · EIN 26-6335786 · Private foundation
Grants paid (2025)$287K
Organizations funded1
Typical grant$287,222
Total assets$1.4M
Half of its grants to organizations were between $287,222 and $287,222.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
Where it gives
100% of grants went outside Oklahoma.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Watch Tower Bible and Tract Society of | Wallkill, NY | Support | $287,222 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $287,222 | 1 |
| 2024 | Unknown | 0 |
| 2023 | Unknown | 0 |
| 2022 | $118,323 | 1 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 14, 2026 - IRS e-file batch, object ID 202631349349101533
- IRS Tax Exempt Organization Search for EIN 26-6335786
- Profile updated Nov 7, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.