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 *

Chappell Dale		 2. Issuer Name and Ticker or Trading Symbol

HUMANIGEN, INC [ HGEN ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

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

C/O OPUS EQUUM INC., PO BOX 788		 3. Date of Earliest Transaction (MM/DD/YYYY)

3/2/2022
(Street)

DOLORES, CO 81323
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

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

___ Form filed by One Reporting Person
_ X _ 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

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
Call Option (Right to Buy) (1)$2.5 3/2/2022  P   680    3/2/2022 5/20/2022 Common Stock, $0.001 par value 68000 $0.596 680 I (2)By Black Horse Capital LP 
Call Option (Right to Buy) (1)$5 3/2/2022  P   11    3/2/2022 5/20/2022 Common Stock, $0.001 par value 1100 $0.3255 11 I (2)By Black Horse Capital LP 
Call Option (Right to Buy) (1)$2.5 3/3/2022  P   5    3/3/2022 5/20/2022 Common Stock, $0.001 par value 500 $0.7 685 I (2)By Black Horse Capital LP 
Call Option (Right to Buy) (1)$5 3/3/2022  P   173    3/3/2022 5/20/2022 Common Stock, $0.001 par value 17300 $0.35 184 I (2)By Black Horse Capital LP 
Call Option (Right to Buy) (1)$2.5 3/4/2022  P   127    3/4/2022 5/20/2022 Common Stock, $0.001 par value 12700 $0.8972 812 I (2)By Black Horse Capital LP 
Call Option (Right to Buy) (1)$2.5 3/2/2022  P   1360    3/2/2022 5/20/2022 Common Stock, $0.001 par value 136000 $0.596 1360 I (3)By Black Horse Capital Master Fund Ltd. 
Call Option (Right to Buy) (1)$5 3/2/2022  P   22    3/2/2022 5/20/2022 Common Stock, $0.001 par value 2200 $0.3255 22 I (3)By Black Horse Capital Master Fund Ltd. 
Call Option (Right to Buy) (1)$2.5 3/3/2022  P   10    3/3/2022 5/20/2022 Common Stock, $0.001 par value 1000 $0.7 1370 I (3)By Black Horse Capital Master Fund Ltd. 
Call Option (Right to Buy) (1)$5 3/3/2022  P   346    3/3/2022 5/20/2022 Common Stock, $0.001 par value 34600 $0.35 368 I (3)By Black Horse Capital Master Fund Ltd. 
Call Option (Right to Buy) (1)$2.5 3/4/2022  P   255    3/4/2022 5/20/2022 Common Stock, $0.001 par value 25500 $0.8972 1625 I (3)By Black Horse Capital Master Fund Ltd. 
Call Option (Right to Buy) (1)$2.5 3/2/2022  P   4762    3/2/2022 5/20/2022 Common Stock, $0.001 par value 476200 $0.596 4762 I (4)By Cheval Holdings, Ltd. 
Call Option (Right to Buy) (1)$5 3/2/2022  P   77    3/2/2022 5/20/2022 Common Stock, $0.001 par value 7700 $0.3255 77 I (4)By Cheval Holdings, Ltd. 
Call Option (Right to Buy) (1)$2.5 3/3/2022  P   36    3/3/2022 5/20/2022 Common Stock, $0.001 par value 3600 $0.7 4798 I (4)By Cheval Holdings, Ltd. 
Call Option (Right to Buy) (1)$5 3/3/2022  P   1213    3/3/2022 5/20/2022 Common Stock, $0.001 par value 121300 $0.35 1290 I (4)By Cheval Holdings, Ltd. 
Call Option (Right to Buy) (1)$2.5 3/4/2022  P   891    3/4/2022 5/20/2022 Common Stock, $0.001 par value 89100 $0.8972 5689 I (4)By Cheval Holdings, Ltd. 
Explanation of Responses:
(1) This Form 4 is filed jointly by Black Horse Capital LP (the "Domestic Fund"), Black Horse Capital Master Fund Ltd. (the "Offshore Fund"), Cheval Holdings, Ltd. ("Cheval"), Black Horse Capital Management LLC ("BH Management") and Dale Chappell (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that may be deemed to collectively beneficially own more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. The filing of this Form 4 shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer he or it does not directly own.
(2) Securities owned directly by the Domestic Fund. BH Management, as the managing general partner of the Domestic Fund, may be deemed to beneficially own the securities owned directly by the Domestic Fund. Dale Chappell, as the managing member of BH Management, may be deemed to beneficially own the securities owned directly by the Domestic Fund.
(3) Securities owned directly by the Offshore Fund. Dale Chappell, as the controlling person of the Offshore Fund, may be deemed to beneficially own the securities owned directly by the Offshore Fund.
(4) Securities owned directly by Cheval. Each of BH Management, by virtue of having been granted by the Board of Directors of Cheval the power to manage the securities of the Issuer owned by Cheval, and Dale Chappell, as the managing member of BH Management, may be deemed to beneficially own the securities owned directly by Cheval.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Chappell Dale
C/O OPUS EQUUM INC.
PO BOX 788
DOLORES, CO 81323		XXChief Scientific Officer
BLACK HORSE CAPITAL LP
C/O OPUS EQUUM INC.
PO BOX 788
DOLORES, CO 81323
X

Black Horse Capital Master Fund Ltd.
C/O OPUS EQUUM, INC.
P.O. BOX 788
DOLORES, CO 81323
X

BLACK HORSE CAPITAL MANAGEMENT LLC
C/O OPUS EQUUM INC.
PO BOX 788
DOLORES, CO 81323
X

Cheval Holdings, Ltd.
P.O. BOX 309G, UGLAND HOUSE
GEORGETOWN
GRAND CAYMAN, E9 KY1-1104
X
Signatures
BLACK HORSE CAPITAL LP By: Black Horse Capital Management LLC, its Managing General Partner By: /s/ Dale Chappell Name: Dale Chappell Title: Manager3/4/2022
**Signature of Reporting PersonDate

BLACK HORSE CAPITAL MASTER FUND LTD. By: /s/ Dale Chappell Name: Dale Chappell Title: Director3/4/2022
**Signature of Reporting PersonDate

BLACK HORSE CAPITAL MANAGEMENT LLC By: /s/ Dale Chappell Name: Dale Chappell Title: Manager3/4/2022
**Signature of Reporting PersonDate

CHEVAL HOLDINGS, LTD. By: /s/ Dale Chappell Name: Dale Chappell Title: Director3/4/2022
**Signature of Reporting PersonDate

/s/ Dale Chappell DALE CHAPPELL3/4/2022
**Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*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).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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