Sec Form 4 Filing - Mario Family Credit LLC Series D @ Liquidia Technologies Inc - 2018-07-30

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 Mario Family Credit LLC Series D 2. Issuer Name and Ticker or Trading Symbol Liquidia Technologies Inc [ LQDA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) P.O. BOX 445, 20 FAIRMOUNT AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 07/30/2018 (Street) CHATHAM, NJ07928 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 07/30/2018 C 107,791 A 107,791 D ( 3 )

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 Warrant to purchase Series D Preferred Stock $ 0.01 07/30/2018 J( 2 ) 313,503 02/17/2017 12/31/2026 Series D Preferred Stock 313,503 ( 2 ) 0 D ( 3 ) Warrant to purchase Common Stock $ 0.01 07/30/2018 J( 2 ) 18,630 02/17/2017 12/31/2026 Common Stock 18,630 ( 2 ) 18,630 D ( 3 ) Series D Preferred Stock ( 1 ) 07/30/2018 C 1,813,840 ( 1 ) ( 1 ) Common Stock 107,791 ( 1 ) 0 D ( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Mario Family Credit LLC Series D P.O. BOX 445 20 FAIRMOUNT AVENUE CHATHAM, NJ07928 X Mario Jeremy P.O. BOX 445 20 FAIRMOUNT AVENUE CHATHAM, NJ07928 X Melmotte LLC P.O. BOX 445 20 FAIRMOUNT AVENUE CHATHAM, NJ07928 X Signatures MARIO FAMILY CREDIT LLC SERIES D By: Melmotte LLC, its Manager By: Jeremy Mario, Managing Member of Melmotte LLC MELMOTTE LLC By: Jeremy Mario, Managing Member By: Jeremy Mario 08/01/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Series D preferred stock had no expiration date and automatically converted into the Issuer's common stock on approximately a 0.0594-for-1 basis immediately prior to the closing of the Issuer's initial public offering. ( 2 )Immediately prior to the closing of the Issuer's initial public offering and without payment of further consideration, the Warrants to purchase Series D Preferred Stock automatically became exercisable to purchase the Issuer's common stock. The transaction is listed solely for the purpose of reporting the change of the title and amount of securities underlying the warrant. ( 3 )This report on Form 4 is jointly filed by Mario Family Credit LLC Series D, Melmotte LLC and Mr. Mario. Melmotte LLC is the manager of Mario Family Credit LLC Series D, and Mr. Mario is the managing member of Melmotte LLC. Each of the reporting persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the reporting persons is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes.

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).

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