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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 0 )
MATRIX SERVICE COMPANY
(Name of Issuer)
Common
(Title of Class of Securities)
576853105
(CUSIP Number)
December 31, 2022
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[X] Rule 13d-1(b)
[] 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 the Notes).
CUSIP No. 576853105
1
(a) Names of Reporting Persons.
First Wilshire Securities Management, Inc.
(b) Tax ID
95-2844956
2 Check the Appropriate Box if a Member of a Group (See Instructions)
(a) []
(b) []
3 SEC Use Only . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Citizenship or Place of Organization
California
Number of Shares Beneficially Owned by Each Reporting Person With
5. Sole Voting Power
455,982
6. Shared Voting Power
0
7. Sole Dispositive Power
2,171,934
8. Shared Dispositive Power
0
9. Aggregate Amount Beneficially Owned by Each Reporting Person
2,171,934
10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
11. Percent of Class Represented by Amount in Row (9)
8.0%
12. Type of Reporting Person (See Instructions)
Item 1.
(a) Name of Issuer
MATRIX SERVICE COMPANY
(b) Address of Issuer's Principal Executive Offices
15 East 5th Street, Suite 1100
Tulsa, Oklahoma 74103
Item 2.
(a) Name of Person Filing
First Wilshire Securities Management, Inc.
(b) Address of Principal Business Office or, if none, Residence
1214 East Green Street, Suite 104, Pasadena, California 91106
(c) Citizenship
California
(d) Title of Class of Securities
Common
(e) CUSIP Number
576853105
Item 3. If this statement is filed pursuant to 240.13d-1(b) or 240.13d-2(b)
or (c), check whether the person filing is a:
(a) [ ] Broker or dealer registered under section 15 of the Act
(15 U.S.C. 78c)
(b) [ ] Bank as defined in section 3(a)(6) of the Act
(15 U.S.C. 78c).
(c) [ ] Insurance company as defined in section 3(a)(19) of the Act
(15 U.S.C. 78c).
(d) [ ] Investment company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C 80a-8).
(e) [X] An investment adviser in accordance with
240.13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance
with 240.13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person in accordance
with 240.13d-1(b)(1)(ii)(G);
(h) [ ] A savings associations as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) [ ] A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment Company Act
of 1940 (15 U.S.C. 80a-3);
(j) [ ] A non-U.S. institution in accordance with
240.13d-1(b)(1)(ii)(J);.
(k) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(K).If filing
as a non-U.S. institution in accordance with 240.13d-1(b)(ii)(J), please
specify the type of institution:
Item 4. Ownership.
Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned: 2,171,934
(b) Percent of class: 8.0%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote
455,982
(ii) Shared power to vote or to direct the vote
0
(iii) Sole power to dispose or to direct the disposition of
2,171,934
(iv) Shared power to dispose or to direct the disposition of
0
Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following.[ ].
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Item 7. Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By Parent Holding Company or Control Person.
Item 8. Identification and Classification of Members of the Group
Item 9. Notice of Dissolution of Group
Item 10. Certification
By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired and are held in ordinary course
of business and were not acquired and are not held for the purpose of or with
the effect of changing or influencing the control of the issuer of the
securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.
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.
February 14, 2022
Date
/S/ Howard Lu
Signature
Howard Lu
Chief Executive Officer
Name/Title