Ownership Submission
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, 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 *
  O'Meara Maeve
2. Date of Event Requiring Statement (Month/Day/Year)
06/08/2018
3. Issuer Name and Ticker or Trading Symbol
CASTLIGHT HEALTH, INC. [CSLT]
(Last)
(First)
(Middle)
C/O CASTLIGHT HEALTH, INC., 150 SPEAR ST., SUITE 400
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP,Product&CustomerExperience
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN FRANCISCO, CA 94105
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)
Class B Common Stock 30,881
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
Employee Stock Option (right to buy)   (1) 09/14/2020 Class A Common Stock (2) (3) 30,000 $ 0.79 D  
Employee Stock Option (right to buy)   (1) 10/11/2021 Class A Common Stock (2) (3) 5,000 $ 0.85 D  
Employee Stock Option (right to buy)   (1) 11/07/2022 Class A Common Stock (2) (3) 9,000 $ 1.09 D  
Employee Stock Option (right to buy)   (1) 02/11/2023 Class A Common Stock (2) (3) 7,500 $ 1.12 D  
Employee Stock Option (right to buy)   (1) 10/24/2023 Class A Common Stock (2) (3) 20,000 $ 2.35 D  
Employee Stock Option (right to buy)   (1) 02/23/2026 Class B Common Stock 4,424 $ 2.99 D  
Employee Stock Option (right to buy)   (4) 02/23/2026 Class B Common Stock 150,576 $ 2.99 D  
Restricted Stock Units   (5)   (5) Class B Common Stock 27,000 $ 0 (6) D  
Restricted Stock Units   (7)   (7) Class B Common Stock 21,375 $ 0 (6) D  
Restricted Stock Units   (8)   (8) Class B Common Stock 2,188 $ 0 (6) D  
Restricted Stock Units   (9)   (9) Class B Common Stock 93,750 $ 0 (6) D  
Restricted Stock Units   (10)   (10) Class B Common Stock 125,000 $ 0 (6) D  
Restricted Stock Units   (11)   (11) Class B Common Stock 34,375 $ 0 (6) D  
Restricted Stock Units   (12)   (12) Class B Common Stock 187,500 $ 0 (6) D  
Restricted Stock Units   (13)   (13) Class B Common Stock 100,000 $ 0 (6) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
O'Meara Maeve
C/O CASTLIGHT HEALTH, INC.
150 SPEAR ST., SUITE 400
SAN FRANCISCO, CA 94105
      EVP,Product&CustomerExperience  

Signatures

/s/ Jennifer Chaloemtiarana, by power of attorney 06/13/2018
**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 stock option has fully vested and is immediately exercisable.
(2) Each share of Class A Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class B Common Stock. In addition, each share of Class A Common Stock will convert automatically into one (1) share of Class B Common Stock upon the transfer, whether or not for value, to any transferee who is not a "Permitted Transferee", as defined in the Issuer's Restated Certificate of Incorporation in effect as of the date hereof. The shares of Class A Common Stock have no expiration date.
(3) Each share of the Issuer's Class A Common Stock will convert automatically into one (1) share of Class B Common Stock upon the earliest to occur of the following: (a) the first date on which the number of shares of Class A Common Stock then outstanding is less than 15,340,384 shares, (b) March 19, 2024, or (c) a time and date approved in writing by holders of at least a majority of the then-outstanding shares of Class A Common Stock. The shares of Class A Common Stock and Class B Common Stock have no expiration date.
(4) The stock option vested and continues to vest in 60 equal monthly installments beginning on March 24, 2016, until such time as the option is 100% vested, subject to the continuing service of the Reporting Person on each vesting date.
(5) 25% of the restricted stock units ("RSUs") vested on February 15, 2016 and the remainder will vest quarterly over three years thereafter in equal installments. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting.
(6) Each RSU represents a contingent right to receive 1 share of the Issuer's Class B common stock upon settlement for no consideration.
(7) The RSUs vest over 5 years as follows: 25% of the restricted stock units ("RSUs") vested on November 16, 2016. Thereafter, the shares vest in 12 quarterly installments each consisting of 5% of the shares subject to the RSU, and 1/12 of the remainder vests monthly thereafter until fully vested. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting.
(8) The RSUs vest over 5 years as follows: 25% of the RSUs vested on February 24, 2017. Thereafter, the shares vest in 12 quarterly installments each consisting of 5% of the shares subject to the RSU, and 1/12 of the remainder vests monthly thereafter until fully vested. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting.
(9) 25% of the RSUs vested on May 16, 2017 and the remainder will vest quarterly over two years thereafter in equal installments. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting.
(10) 100% of the RSUs will vest on May 16, 2020. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting.
(11) The RSUs vest over 5 years as follows: 25% of the RSUs vested on March 7, 2018. Thereafter, the shares vest in 12 quarterly installments each consisting of 5% of the shares subject to the RSU, and 1/12 of the remainder vests monthly thereafter until fully vested. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting.
(12) The RSUs vested and continue to vest in equal quarterly installments over four years, beginning on February 16, 2018. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting
(13) 100% of the RSUs will vest on December 31, 2018. Shares of the Issuer's Class B common stock will be delivered to the Reporting Person following vesting.

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