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 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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(Print or Type Responses)

1. Name and Address of Reporting Person * MARIO ERNEST   2. Issuer Name and Ticker or Trading Symbol Capnia, Inc. [CAPN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 3 TWIN DOLPHIN DRIVE, SUITE 160 3. Date of Earliest Transaction (Month/Day/Year) 08/21/2015 (Street) REDWOOD CITY, CA 94065 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 08/21/2015   P   16,228 A $ 1.91 (1) 1,553,999 D   Common Stock               10,416 I See Footnote (2) Common Stock               10,416 I See Footnote (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MARIO ERNEST 3 TWIN DOLPHIN DRIVE, SUITE 160 REDWOOD CITY, CA 94065	X	X

Signatures

/s/ David O'Toole, attorney in fact		08/25/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.90 to $1.92, inclusive. The reporting person undertakes to provide to Capnia, any security holder of Capnia, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Footnote 1.
(2)	These shares are held directly by Ernest Mario 2008 Annuity Trust III ("E. Mario 2008 Trust"). Ernest Mario serves as trustee of the E. Mario 2008 Trust and may be deemed to be the beneficial owner of the shares held directly by E. Mario 2008 Trust. Ernest Mario disclaims beneficial ownership of the securities held by E. Mario 2008 Trust, except to the extent of such individual's pecuniary interests in the securities.
(3)	These shares are held directly by Mildred Mario 2008 Annuity Trust III ("M. Mario 2008 Trust"). Ernest Mario and Ernest Mario's spouse, Mildred Mario, serves as trustees of the M. Mario 2008 Trust and may be deemed to be the beneficial owner of the shares held directly by M. Mario 2008 Trust. Ernest Mario disclaims beneficial ownership of the securities held by M. Mario 2008 Trust, except to the extent of such individual's pecuniary interests in the securities.

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