Statement of Changes in Beneficial Ownership (4)

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 * Steinmetz Nicole Franziska	2. Issuer Name and Ticker or Trading Symbol Mosaic ImmunoEngineering Inc. [ CPMV ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    __X__ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Acting CSO
(Last)          (First)          (Middle) 1537 SOUTH NOVATO BLVD., #5	3. Date of Earliest Transaction (MM/DD/YYYY) 1/29/2021
(Street) NOVATO, CA 94947 (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	1/29/2021		C		1641252	A	(1)	1641252	D
Common Stock	1/29/2021		C		570870	A	(1)	570870	I	By spouse.

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 Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. 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 Date		7. 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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Convertible Voting Preferred Stock	(1)(2)	1/29/2021		C			161000	(1)	(2)	Common Stock	1641252	(1)	0	D
Series A Convertible Voting Preferred Stock	(1)(2)	1/29/2021		C			56000	(1)	(2)	Common Stock	570870	(1)	0	I	By spouse

Explanation of Responses:
(1)	Each share of the Series A Convertible Voting Preferred Stock automatically converted for no additional consideration into 10.194106 shares of common stock on January 29, 2021, the date that both of the following criteria were met: (i) upon the Registrant having a sufficient number of authorized and unissued shares of common stock so as to permit the conversion of all outstanding shares of the Series A Convertible Voting Preferred Stock into common stock, which occurred on December 2, 2020 in conjunction with the reverse stock split; and (ii) the effectiveness of any registration statement registering the resale of the underlying shares of common stock of the Registrant, which occurred on January 29, 2021.
(2)	The Series A Convertible Voting Preferred Stock has no expiration date.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Steinmetz Nicole Franziska 1537 SOUTH NOVATO BLVD., #5 NOVATO, CA 94947	X	X	Acting CSO

Signatures
/s/ Paul Lytle, as attorney-in-fact for Nicole Steinmetz		1/29/2021
**Signature of Reporting Person		Date