Gulf Coast Ultra Deep Royalty Trust
GULTU- Exchange
- OTC
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001565146
No open-market purchases or sales by Gulf Coast Ultra Deep Royalty Trust insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Holders of 5% or more of GULTU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Gulf Coast Ultra Deep Royalty Trust, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Galluccio Thomas Gregory | 13G | 5.60%12.9M shares | New | Jun 2, 20261 filing | Jun 2, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Gulf Coast Ultra Deep Royalty Trust, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 2, 20267:41 PM ET | Galluccio Thomas Gregory | 13G | 5.60%12.9M shares | New | May 28, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Gulf Coast Ultra Deep Royalty Trust shares.
No Form 144 notices for Gulf Coast Ultra Deep Royalty Trust are on file.