# EDGAR Filing Document

**Accession Number:** 0001201333
**File Stem:** 0001213900-23-006434
**Filing Date:** 2023-1
**Character Count:** 7479
**Document Hash:** 82ef918b13134ddf51c1bc3147eb0b77
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-23-006434.hdr.sgml**: 20230131

**ACCESSION NUMBER**: 0001213900-23-006434

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230127

**FILED AS OF DATE**: 20230131

**DATE AS OF CHANGE**: 20230131

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SUBIN NEIL S
- **CENTRAL INDEX KEY:** 0001201333

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36386
- **FILM NUMBER:** 23572951

**MAIL ADDRESS:**
- **STREET 1:** 2336 S.E. OCEAN BOULEVARD, #400
- **CITY:** STUART
- **STATE:** FL
- **ZIP:** 34996
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Gulf Coast Ultra Deep Royalty Trust
- **CENTRAL INDEX KEY:** 0001565146
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **IRS NUMBER:** 000000000

**BUSINESS ADDRESS:**
- **STREET 1:** 601 TRAVIS STREET
- **STREET 2:** 16TH FLOOR
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** 512-236-6599

**MAIL ADDRESS:**
- **STREET 1:** 601 TRAVIS STREET
- **STREET 2:** 16TH FLOOR
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SUBIN NEIL S<br><sub>(Last) (First) (Middle)</sub><br>2336 SE OCEAN BLVD, SUITE 400<br><sub>(Street)</sub><br>STUART, FL 34996<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Gulf Coast Ultra Deep Royalty Trust [ GULTU ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-01-27 |  | S |  | 101 | D | $0.0500 | 191275<sup>(1)(2)</sup> | I | By Co-Trustee GST Lloyd A.Crider |
| Common Stock | 2023-01-27 |  | S |  | 311 | D | $0.0500 | 590892<sup>(1)(2)</sup> | I | By Miller Family Education and Medical Trust |
| Common Stock | 2023-01-27 |  | S |  | 71 | D | $0.0500 | 134204<sup>(1)(2)</sup> | I | By Trustee GST Catherine C. Miller |
| Common Stock | 2023-01-27 |  | S |  | 904 | D | $0.0500 | 1716375<sup>(1)(2)</sup> | I | By LIM III Estate LLC |
| Common Stock | 2023-01-27 |  | S |  | 1429 | D | $0.0500 | 2711445<sup>(1)(2)</sup> | I | By LIMFAM LLC |
| Common Stock | 2023-01-27 |  | S |  | 101 | D | $0.0500 | 191454<sup>(1)(2)</sup> | I | By Milfam I L.P. |
| Common Stock | 2023-01-27 |  | S |  | 13436 | D | $0.0500 | 25498192<sup>(1)(2)</sup> | I | By Milfam II L.P. |
| Common Stock | 2023-01-27 |  | S |  | 623 | D | $0.0500 | 1181780<sup>(1)(2)</sup> | I | By MBM - Trust A-4 |
| Common Stock | 2023-01-27 |  | S |  | 89 | D | $0.0500 | 168811<sup>(1)(2)</sup> | I | By Milfam LLC |
| Common Stock | 2023-01-27 |  | S |  | 311 | D | $0.0500 | 590891<sup>(1)(2)</sup> | I | By Susan F. Miller Spousal Trust A-4 |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Except for possessing voting and dispositive power, the reporting person disclaims any other beneficial ownership of, and specifically any pecuniary interest in, the securities reported herein. This filing is not, and shall not be deemed, an admission (and the reporting person expressly disclaims) that the reporting person is, for purposes of Rule 16a-1(a)(2) under Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the beneficial owner of any equity securities covered by this filing.

(2) Mr. Neil Subin is the President and Manager of MILFAM LLC, which serves as manager, general partner, or investment advisor of a number of entities formerly managed or advised by the late Lloyd I. Miller, III. Mr. Subin also serves as trustee of a number of Miller family trusts. There has been no acquisition transaction by the reporting person with respect to the securities reported herein within the meaning of Section 16 of the Exchange Act.

**Signature:** /s/ Neil S. Subin  
**Date:** 2023-01-31

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**