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Filing Details

Accession Number:
0001085146-18-000743
Form Type:
13G Filing
Publication Date:
2018-02-14 09:58:16
Filed By:
Brenham Capital Management
Company:
Sentinel Energy Services Inc.
Filing Date:
2018-02-14
SEC Url:
13G Filing
Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Brenham Capital Management 0 2,050,000 0 2,050,000 2,050,000 5.9%
Brenham Management 0 2,050,000 0 2,050,000 2,050,000 5.9%
Brenham Master Fund 0 2,050,000 0 2,050,000 2,050,000 5.9%
John Labanowski 0 2,050,000 0 2,050,000 2,050,000 5.9%
Filing
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
SENTINEL ENERGY SERVICES INC.
(Name of Issuer)
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-third of one warrant
(Title of Class of Securities)
G8062D128
(CUSIP Number)
December 31, 2017
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
[   ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[   ] Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see Instructions).
CUSIP No.: G8062D128
       
1
NAME OF REPORTING PERSON
Brenham Management, LLC
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [   ]
(b) [X]
3 SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
2,050,000
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
2,050,000
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,050,000
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
[   ]
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.9% (see Item 4b)
12
TYPE OF REPORTING PERSON
OO
CUSIP No.: G8062D128
       
1
NAME OF REPORTING PERSON
John Labanowski
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [   ]
(b) [X]
3 SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
2,050,000
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
2,050,000
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,050,000
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
[   ]
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.9% (see Item 4b)
12
TYPE OF REPORTING PERSON
IN, HC
CUSIP No.: G8062D128
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Brenham Management, LLC
By:
/s/ John Labanowski
Name:
John Labanowski
Title:
Manager