FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  RUIZ THOMAS MARK
 2. Date of Event Requiring Statement (Month/Day/Year)
02/12/2019		 3. Issuer Name and Ticker or Trading Symbol
InfuSystem Holdings, Inc [INFU]
(Last)
(First)
(Middle)
31700 RESEARCH PARK DRIVE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP OF SALES AND MARKETING
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MADISON HEIGHTS, MI 48071		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 5,337
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) 07/31/2017 12/08/2024 Common Stock 50,000 $ 2.69 D  
Stock Option (Right to Buy)   (1) 08/18/2026 Common Stock 40,000 $ 2.76 D  
Stock Option (Right to Buy)   (2) 03/15/2027 Common Stock 25,000 $ 2.15 D  
Stock Option (Right to Buy)   (3) 09/06/2022 Common Stock 25,000 $ 1.98 D  
Stock Option (Right to Buy)   (4) 07/19/2023 Common Stock 25,000 $ 3.36 D  
Restricted Stock Units 03/11/2019(6) 03/12/2019(6) Common Stock 2,083 $ (5) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
RUIZ THOMAS MARK
31700 RESEARCH PARK DRIVE
MADISON HEIGHTS, MI 48071		       VP OF SALES AND MARKETING  

Signatures

/s/ Thomas M. Ruiz 02/20/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) The option, representing the right to purchase a total of 40,000 shares, became exercisable in 36 equal monthly installments following the August 18, 2016 date of grant.
(2) The option, representing the right to purchase a total of 25,000 shares, became exercisable in 36 equal monthly installments following the March 16, 2017 date of grant.
(3) Stock option vests 33% per year on anniversary date starting September 7, 2018
(4) Stock option vests 33% per year on anniversary date starting July 19, 2019
(5) Restricted stock units convert into common stock on a one-for-one basis.
(6) The reporting person was awarded restricted stock units on March 11, 2015, which vest in one remaining annual installment on March 11th of 2019. Settlement of the underlying shares of common stock will occur on vesting date, assuming continued employment through the applicable vesting date.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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