MBII Marrone Bio Innovations Inc

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 * Pitts Keith	2. Issuer Name and Ticker or Trading Symbol MARRONE BIO INNOVATIONS INC [ MBII ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) SVP & Chief Sust. Officer
(Last)          (First)          (Middle) C/O MARRONE BIO INNOVATIONS, INC., 7780-420 BRIER CREEK PARKWAY	3. Date of Earliest Transaction (MM/DD/YYYY) 2/7/2022
(Street) RALEIGH, NC 27617-7882 (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	2/7/2022		A		108312 (1)	A	$0.6321	113069	D

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
Stock Option (Right to Buy)	$0.6321	2/7/2022		A		252727		3/7/2022 (2)	2/6/2025 (2)	Common Stock	252727	$0.00	252727	D

Explanation of Responses:
(1)	On February 7, the reporting person was granted 108,312 restricted stock units, which represent a contingent right to receive one share of Issuer's common stock. The restricted stock units vest pursuant to the Vesting Schedule (as defined in footnote (2)) and are delivered to the reporting person upon vesting.
(2)	The awards vest in equal monthly installments over three years, subject to the recipient's continued employment by the Issuer through the applicable vesting date, provided that, in lieu of the terms of any change in control agreement in place between the Issuer and the reporting person, in the event that the reporting person resigns for Good Reason (as defined in the recipient's change in control agreement) or is terminated without Cause (as defined in recipient's change in control agreement) within twelve months of a Change in Control (as defined in recipient's change in control agreement), 50% of the unvested portion of the awards will become immediately vested (the "Vesting Schedule").

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Pitts Keith C/O MARRONE BIO INNOVATIONS, INC. 7780-420 BRIER CREEK PARKWAY RALEIGH, NC 27617-7882			SVP & Chief Sust. Officer

Signatures
/s/ Linda V. Moore, as attorney in fact		2/9/2022
**Signature of Reporting Person		Date