# EDGAR Filing Document

**Accession Number:** 0001721546
**File Stem:** 0001213900-23-025121
**Filing Date:** 2023-3
**Character Count:** 7744
**Document Hash:** ae0dfaafed9bac3d392d1511e09a4bdd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-23-025121.hdr.sgml**: 20230331

**ACCESSION NUMBER**: 0001213900-23-025121

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221213

**FILED AS OF DATE**: 20230331

**DATE AS OF CHANGE**: 20230331

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Sentinel Management Holdings, LLC
- **CENTRAL INDEX KEY:** 0001721546
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38271
- **FILM NUMBER:** 23784884

**BUSINESS ADDRESS:**
- **STREET 1:** 1000 LOUISIANA STREET
- **STREET 2:** SUITE 3850
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** (281) 407-0686

**MAIL ADDRESS:**
- **STREET 1:** 1000 LOUISIANA STREET
- **STREET 2:** SUITE 3850
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CSL Sentinel Holdings, LLC
- **CENTRAL INDEX KEY:** 0001722076
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38271
- **FILM NUMBER:** 23784885

**BUSINESS ADDRESS:**
- **STREET 1:** 1000 LOUISIANA STREET
- **STREET 2:** SUITE 3850
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** (281) 407-0686

**MAIL ADDRESS:**
- **STREET 1:** 1000 LOUISIANA STREET
- **STREET 2:** SUITE 3850
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Sentinel Energy Services Inc.
- **CENTRAL INDEX KEY:** 0001709768
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **IRS NUMBER:** 981370747
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 700 LOUISIANA STREET
- **STREET 2:** SUITE 2700
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** (281) 407-0686

**MAIL ADDRESS:**
- **STREET 1:** 700 LOUISIANA STREET
- **STREET 2:** SUITE 2700
- **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>CSL Sentinel Holdings, LLC<br><sub>(Last) (First) (Middle)</sub><br>2500 SUMMER STREET SUITE 1100<br><sub>(Street)</sub><br>HOUSTON, TX 77007<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2022-12-13 | **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>Sentinel Energy Services Inc. [ STNL ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Sentinel Management Holdings, LLC<br><sub>(Last) (First) (Middle)</sub><br>2500 SUMMER STREET SUITE 1100<br><sub>(Street)</sub><br>HOUSTON, TX 77007<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2022-12-13 | **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>Sentinel Energy Services Inc. [ STNL ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] 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 |
| Class A Common Stock | 2022-12-13 |  | P |  | 6000 | A | $10 | 565911 | I | See footnote<sup>(1)</sup> |

---

## 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) The reported securities are owned directly by Sentinel Management Holdings, LLC (the "Sponsor"). CSL Sentinel Holdings, LLC ("CSL Sentinel") is the managing member of the Sponsor. CSL Sentinel may therefore be deemed to have voting and dispositive power over the securities held by the Sponsor and may also be deemed to be the indirect beneficial owner of such securities. CSL Sentinel disclaims beneficial of these securities in excess of its pecuniary interest therein.

**Signature:** /s/ Kent Jamison, attorney-in-fact  
**Date:** 2023-03-31

### 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.**