SEC Form 3

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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1. Name and Address of Reporting Person* Longitude Capital Partners II, LLC (Last) (First) (Middle) 800 EL CAMINO REAL, SUITE 220 (Street) MENLO PARK CA 94025 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/19/2017	3. Issuer Name and Ticker or Trading Symbol Kala Pharmaceuticals, Inc. [ KALA ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

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)

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: 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
Series C Preferred Stock	(1)	(1)	Common Stock	2,055,946	(1)	I	By: Longitude Venture Partners II, L.P.(2)

1. Name and Address of Reporting Person* Longitude Capital Partners II, LLC (Last) (First) (Middle) 800 EL CAMINO REAL, SUITE 220 (Street) MENLO PARK CA 94025 (City) (State) (Zip)

1. Name and Address of Reporting Person* Longitude Venture Partners II, L.P. (Last) (First) (Middle) 800 EL CAMINO REAL, SUITE 220 (Street) MENLO PARK CA 94025 (City) (State) (Zip)

1. Name and Address of Reporting Person* Tammenoms Bakker Juliet (Last) (First) (Middle) 800 EL CAMINO REAL, SUITE 220 (Street) MENLO PARK CA 94025 (City) (State) (Zip)

1. Name and Address of Reporting Person* ENRIGHT PATRICK G (Last) (First) (Middle) 800 EL CAMINO REAL, SUITE 220 (Street) MENLO PARK CA 94025 (City) (State) (Zip)

Explanation of Responses:

1. The Series C Convertible Preferred Stock is convertible into Common Stock on a 5.2083-for-one basis into the number of shares of Common Stock shown in column 3 at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares have no expiration date.

2. This report is filed jointly by Longitude Capital Partners II, LLC ("Longitude Capital II"), Longitude Venture Partners II, L.P. ("Longitude Venture II"), Patrick G. Enright ("Mr. Enright") and Juliet Tammenoms Bakker ("Ms. Bakker"), all of whom share beneficial ownership of more than 10% of the capital stock of the Issuer. Longitude Capital II is the general partner of Longitude Venture II and may be deemed to share voting and investment power over the shares held by Longitude Venture II. Mr. Enright and Ms. Bakker are the managing members of Longitude Capital II and may be deemed to share voting and investment power over the shares held by Longitude Venture II. Each of Longitude Capital II, Mr. Enright and Ms. Bakker disclaims beneficial ownership of such shares except to the extent of its, his or her pecuniary interest therein.

	/s/ Patrick Enright	07/19/2017
	/s/ Patrick Enright	07/19/2017
	/s/ Patrick Enright	07/19/2017
	/s/ Juliet Tammenoms Bakker	07/19/2017
	** Signature of Reporting Person	Date
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 5 (b)(v).
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