FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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. Issuer Name and Ticker or Trading Symbol
TRECORA RESOURCES [TREC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Former 10% owner
(Last)
(First)
(Middle)
450 PARK AVENUE, SUITE 2700, 		 3. Date of Earliest Transaction (Month/Day/Year)
05/27/2022
(Street)

NEW YORK, NY 10022		 4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/27/2022   S   2,674,483 D $ 9.72 200 I See footnotes (1) (2)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) 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		       Former 10% owner
Pangaea Ventures, L.P.
450 PARK AVENUE
SUITE 2700
NEW YORK, NY 10022		       Former 10% owner
Temnein Ventures III, L.P.
450 PARK AVENUE, SUITE 2700
NEW YORK, NY 10022		       Former 10% owner
DeSorcy Peter
450 PARK AVENUE, SUITE 2700
NEW YORK, NY 10022		       Former 10% owner

Signatures

 ORTELIUS ADVISORS, L.P. By: Ortelius Management, LLC, its general partner By: /s/ Peter DeSorcy Name: Peter DeSorcy Title: Managing Member   06/01/2022
**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   06/01/2022
**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 DeSorcy Title: Managing Member   06/01/2022
**Signature of Reporting Person Date
 /s/ Peter DeSorcy   06/01/2022
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) These shares include 2,327,824 shares disposed of by Pangaea Ventures, L.P. ("Pangaea") and 346,659 shares disposed of by Temnein Ventures III, L.P. ("Temnein"). The remaining 200 shares are held by Pangaea.
(2) Ortelius Advisors, L.P. (the "Adviser") is the investment manager of Pangaea and Temnein. Peter DeSorcy is the sole member of the general partner 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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