Sentinel Energy Services (STNL) Form 3 Initial statement of insider ownership

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

CSL Sentinel Holdings, LLC

(Last) (First) (Middle)

1000 LOUISIANA STREET, SUITE 3850

(Street)

HOUSTON TX 77002

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/02/2017

3. Issuer Name and Ticker or Trading Symbol
Sentinel Energy Services Inc. [ STNL ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Ordinary Shares	(1)	(1)	Class A Ordinary Shares	8,587,500(2)	(1)	I	See Footnote(3)

1. Name and Address of Reporting Person^*

CSL Sentinel Holdings, LLC

(Last) (First) (Middle)

1000 LOUISIANA STREET, SUITE 3850

(Street)

HOUSTON TX 77002

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Sentinel Management Holdings, LLC

(Last) (First) (Middle)

1000 LOUISIANA STREET, SUITE 3850

(Street)

HOUSTON TX 77002

(City) (State) (Zip)

Explanation of Responses:

1. At the time of our initial business combination, the Class B Ordinary Shares will convert into Class A Ordinary Shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights. The Class B Ordinary Shares have no expiration date.

2. Includes 1,125,000 Class B Ordinary Shares that are subject to forfeiture if the underwriters in the Issuer's initial public offering of units do not exercise their over-allotment option.

3. Sentinel Management Holdings, LLC is the record holder of the shares reported herein. CSL Sentinel Holdings, LLC is the managing member of Sentinel Management Holdings, LLC. CSL Sentinel Holdings, LLC may therefore be deemed to have voting and dispositive power over the shares held by Sentinel Management Holdings, LLC and may also be deemed to be the indirect beneficial owner of such shares. CSL Sentinel Holdings, LLC disclaims beneficial ownership of these shares in excess of its pecuniary interest therein.

	/s/ Kent Jamison, authorized person for CSL Sentinel Holdings, LLC	11/08/2017
	/s/ Kent Jamison, authorized person for Sentinel Management Holdings, LLC	11/08/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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