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

1. Name and Address of Reporting Person *

Jackson Jonathan
2. Issuer Name and Ticker or Trading Symbol

Histogen Inc. [ HSTO ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    __X__ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle)

C/O HISTOGEN INC., 10655 SORRENTO VALLEY RD., STE 200
3. Date of Earliest Transaction (MM/DD/YYYY)

5/26/2020
(Street)

SAN DIEGO, CA 92121
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

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

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 5/26/2020  J (1)2356597 A$0.00 2356597 I See footnote (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares

Explanation of Responses:
(1) Shares of common stock of the corporation formerly known as Histogen Inc. ("Histogen") were converted into shares of common stock of the Issuer pursuant to that certain Agreement and Plan of Merger and Reorganization, dated as of January 28, 2020, by and among the Issuer, Chinook Merger Sub, Inc. and Histogen (the "Merger Agreement"). Pursuant to the terms of the Merger Agreement, each share of Histogen common stock was exchanged for 1.4342 shares of the Issuer's common stock (the "Conversion"). Immediately following the merger, the Issuer changed its name to Histogen Inc. All share numbers reflect the one-for-ten reverse stock split (the "Reverse Split") effected by the Issuer immediately prior to the completion of the merger.
(2) Consists of shares held by Lordship Ventures ("Lordship"). Mr. Jackson is the Chairman of Lordship and has beneficial ownership over the securities owned by Lordship.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Jackson Jonathan
C/O HISTOGEN INC.
10655 SORRENTO VALLEY RD., STE 200
SAN DIEGO, CA 92121
XX


Signatures
/s/ Richard W. Pascoe as attorney-in-fact for Jonathan Jackson5/28/2020
**Signature of Reporting PersonDate

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