Sec Form 4 Filing - Dilorio Richard @ InfuSystem Holdings, Inc - 2017-11-15

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Dilorio Richard 2. Issuer Name and Ticker or Trading Symbol InfuSystem Holdings, Inc [ INFU] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) C/O INFUSYSTEM HOLDINGS, INC., 31700 RESEARCH PARK DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 11/15/2017 (Street) MADISON HEIGHTS, MI48071 4. If Amendment, Date Original Filed (MM/DD/YY) 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 Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 59,659 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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) $ 2.69 ( 1 ) 07/14/2024 Common Stock 50,000 50,000 D Stock Option (right to buy) $ 2.6 ( 2 ) 03/11/2025 Common Stock 25,000 25,000 D Stock Option (right to buy) $ 2.76 ( 3 ) 08/16/2026 Common Stock 40,000 40,000 D Stock Option (right to buy) $ 2.15 ( 4 ) 03/16/2027 Common Stock 25,000 25,000 D Stock Option (right to buy) $ 1.98 ( 5 ) 09/07/2022 Common Stock 25,000 25,000 D Stock Appreciation Rights $ 2 11/15/2017 A 200,000 ( 6 ) 03/31/2019 Common Stock 200,000 $ 0 200,000 D Stock Option (right to buy) $ 2 11/15/2017 A 200,000 ( 7 ) 11/15/2022 Common Stock 200,000 $ 0 200,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Dilorio Richard C/O INFUSYSTEM HOLDINGS, INC. 31700 RESEARCH PARK DRIVE MADISON HEIGHTS, MI48071 X Chief Executive Officer Signatures /s/Trent N. Smith, Attorney-in-Fact for Richard Dilorio 12/12/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The option, representing the right to purchase a total of 50,000 shares of InfuSystem Holdings, Inc. common stock, vests in thirty-six monthly installments beginning August 14, 2014. ( 2 )The option, representing the right to purchase a total of 25,000 shares of InfuSystem Holdings, Inc. common stock, vests in forty-eight monthly installments beginning April 11, 2015. ( 3 )The option, representing the right to purchase a total of 40,000 shares of InfuSystem Holdings, Inc. common stock, vests in thirty-six monthly installments beginning September 16, 2016. ( 4 )The option, representing the right to purchase a total of 25,000 shares of InfuSystems Holdings, Inc. common stock, vests in thirty-six monthly installments beginning April 16, 2017. ( 5 )The option, representing the right to purchase a total of 25,000 shares of InfuSystem Holdings, Inc. common stock, vests annually over three years beginning September 7, 2018. ( 6 )The stock appreciation rights shall vest and become exercisable beginning on December 31, 2018, based on certain company financial criteria. ( 7 )The option, representing the right to purchase a total of 200,000 shares of InfuSystem Holdings, Inc. common stock, vests over four-year period on a monthly basis beginning December 15, 2017.

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).

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