Edgar Filing: TANDEM DIABETES CARE INC

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

OMB APPROVAL

OMB Number:

3235-0104

Expires:

January 31, 2005

Estimated average burden hours per response...

0.5

(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Â TWOMEY CHRISTOPHER J

2. Date of Event Requiring Statement (Month/Day/Year)
11/13/2013

3. Issuer Name and Ticker or Trading Symbol
TANDEM DIABETES CARE INC [TNDM]

(Last)

(First)

(Middle)

C/O TANDEM DIABETES CARE, INC.,,Â 11045 ROSELLE STREET

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

__X__ Director	_____ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

SAN DIEGO,Â CAÂ 92121

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)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Series B Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	6,208	$ 0	I	See footnote ⁽³⁾
Series C Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	4,724	$ 0	I	See footnote ⁽³⁾
Series C Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	7,086	$ 0	I	See footnote ⁽⁴⁾
Series D Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	14,566	$ 0	I	See footnote ⁽³⁾
Series D Preferred Stock	Â ⁽¹⁾	Â ⁽²⁾	Common Stock	10,486	$ 0	I	See footnote ⁽⁴⁾
Preferred Stock Warrant	Â ⁽⁵⁾	08/31/2021	Series D Preferred Stock ⁽⁶⁾	3,181 ⁽⁶⁾	$ 4.4 ⁽⁶⁾	I	See footnote ⁽³⁾
Preferred Stock Warrant	Â ⁽⁵⁾	08/31/2021	Series D Preferred Stock ⁽⁷⁾	2,272 ⁽⁷⁾	$ 4.4 ⁽⁷⁾	I	See footnote ⁽⁴⁾
Preferred Stock Warrant	Â ⁽⁵⁾	07/03/2022	Series D Preferred Stock ⁽⁸⁾	3,181 ⁽⁸⁾	$ 4.4 ⁽⁸⁾	I	See footnote ⁽³⁾
Preferred Stock Warrant	Â ⁽⁵⁾	07/03/2022	Series D Preferred Stock ⁽⁹⁾	2,272 ⁽⁹⁾	$ 4.4 ⁽⁹⁾	I	See footnote ⁽⁴⁾
Preferred Stock Warrant	Â ⁽⁵⁾	08/21/2022	Series D Preferred Stock ⁽¹⁰⁾	830 ⁽¹⁰⁾	$ 4.4 ⁽¹⁰⁾	I	See footnote ⁽³⁾
Stock Option ⁽¹¹⁾	Â ⁽¹²⁾	Â ⁽¹³⁾	Common Stock	20,888	$ 6.77	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
TWOMEY CHRISTOPHER J C/O TANDEM DIABETES CARE, INC., 11045 ROSELLE STREET SAN DIEGO,Â CAÂ 92121	Â X	Â	Â	Â

Signatures

/s/ David B. Berger, Attorney-in-Fact for Christopher J. Twomey		11/13/2013
^**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 securities are immediately convertible.
(2)	The expiration date is not relevant to the conversion of these securities.
(3)	The securities are held by the Chris J. Twomey and Rebecca J. Twomey Family Trust UTD September 20, 2002.
(4)	The securities are directly owed by Twomey Family Investments, LLC. The Reporting Person is co-manager of Twomey Family Investments, LLC and shares voting and investment power over the securities held by Twomey Family Investments, LLC and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Twomey Family Investments, LLC, except to the extent of his proportionate pecuniary interest therein.
(5)	The warrants are immediately exercisable.
(6)	Upon the consummation of the Issuer's initial public offering, these warrants will automatically become exercisable for 1,898 shares of the Issuer's common stock at an exercise price of $7.37 per share.
(7)	Upon the consummation of the Issuer's initial public offering, these warrants will automatically become exercisable for 1,355 shares of the Issuer's common stock at an exercise price of $7.37 per share.
(8)	Upon the consummation of the Issuer's initial public offering, these warrants will automatically become exercisable for 1,898 shares of the Issuer's common stock at an exercise price of $7.37 per share.
(9)	Upon the consummation of the Issuer's initial public offering, these warrants will automatically become exercisable for 1,355 shares of the Issuer's common stock at an exercise price of $7.37 per share.
(10)	Upon the consummation of the Issuer's initial public offering, these warrants will automatically become exercisable for 495 shares of the Issuer's common stock at an exercise price of $7.37 per share.
(11)	Granted pursuant to the Issuer's Tandem Diabetes Care, Inc. 2006 Stock Incentive Plan.
(12)	The date of grant of the option was 8/6/2013. All shares subject to the option will vest as to 25% on 8/6/2014 and in 36 equal monthly installments thereafter.
(13)	The expiration date for these options is 10 years from the date of grant.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.