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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Ortelius Advisors, L.P.
 2. Date of Event Requiring Statement (Month/Day/Year)
06/09/2021		 3. Issuer Name and Ticker or Trading Symbol
TRECORA RESOURCES [TREC]
(Last)
(First)
(Middle)
450 PARK AVENUE, SUITE 2700, 		 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 Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10022		 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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)
Common Stock 2,328,024 (1)
I
See footnotes (3)
Common Stock 163,868 (2)
I
See footnotes (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Ortelius Advisors, L.P.
450 PARK AVENUE, SUITE 2700
NEW YORK, NY 10022		     X    
Pangaea Ventures, L.P.
C/O ORTELIUS ADVISORS, L.P.
450 PARK AVENUE, SUITE 2700
NEW YORK, NY 10022		     X    
Temnein Ventures III, L.P.
C/O ORTELIUS ADVISORS, L.P.
450 PARK AVENUE, SUITE 2700
NEW YORK, NY 10022		     X    
Desorcy Peter
450 PARK AVENUE, SUITE 2700
NEW YORK, NY 10022		     X    

Signatures

ORTELIUS ADVISORS, L.P. By: Ortelius Management, LLC, its general partner By: /s/ Peter DeSorcy Name: Peter DeSorcy Title: Managing Member 06/11/2021
**Signature of Reporting Person Date
PANGAEA VENTURES, L.P. By: Ortelius Advisors GP I, LLC, its general partner By: /s/ Peter DeSorcy Name: Peter DeSorcy Title: Managing Member 06/11/2021
**Signature of Reporting Person Date
TEMNEIN VENTURES III, L.P. By: Temnein Advisors GP III, LLC, its general partner By: /s/ Peter DeSorcy Name: Peter DeSorcyTitle: Managing Member 06/11/2021
**Signature of Reporting Person Date
/s/ Peter DeSorcy 06/11/2021
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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).
(1) These shares are beneficially owned by Pangaea Ventures, L.P. ("Pangaea").
(2) These shares are beneficially owned by Temnein Ventures III, L.P. ("Temnein").
(3) Ortelius Advisors, L.P. (the "Adviser") is the investment manager of Pangaea and Temnein. Peter DeSorcy is the Managing Member of the general partner of the Adviser, which is the Managing Member of the Adviser, and Mr. DeSorcy has a controlling interest in the Adviser. The Adviser and Mr. DeSorcy disclaim beneficial ownership of any of the shares of common stock owned by Pangaea and Temnein, except to the extent of their pecuniary interest therein.

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