Sec Form 4 Filing - Vosseller Leigh @ TANDEM DIABETES CARE INC - 2019-05-16

Insider filing report for Changes in Beneficial Ownership
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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
Vosseller Leigh
2. Issuer Name and Ticker or Trading Symbol
TANDEM DIABETES CARE INC [ TNDM]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
EVP and CFO
(Last) (First) (Middle)
C/O TANDEM DIABETES CARE, INC., 11075 ROSELLE STREET
3. Date of Earliest Transaction (MM/DD/YY)
05/16/2019
(Street)
SAN DIEGO, CA92121
4. If Amendment, Date Original Filed (MM/DD/YY)
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 (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 05/16/2019 M 10,000 ( 1 ) A $ 2.59 12,009 D
Common Stock 05/16/2019 S( 2 ) 10,000 D $ 70.45 ( 3 ) 2,009 D
Common Stock 05/15/2019 A 1,256 ( 4 ) A $ 16.93 3,265 D
Common Stock 145 I Leigh A Vosseller Trust ( 5 )
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
Stock Option $ 2.59 05/16/2019 M 10,000 ( 6 ) ( 7 ) Common Stock 10,000 $ 0 60,000 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Vosseller Leigh
C/O TANDEM DIABETES CARE, INC.
11075 ROSELLE STREET
SAN DIEGO, CA92121
EVP and CFO
Signatures
David B. Berger, Attorney-in-Fact for Leigh A. Vosseller 05/17/2019
Signature of Reporting Person Date
Explanation of Responses:
( 1 )Represents shares of common stock received upon exercise of a stock option award.
( 2 )The shares were sold, pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2019.
( 3 )The price reported is the weighted average price. The shares were sold in multiple transactions at prices ranging from $70.35 to $70.60. The Reporting Person undertakes to provide the Securities and Exchange Commission (the "SEC"), the issuer, and any security holder full information regarding the number of shares and the prices at which the shares were sold.
( 4 )The reporting person is voluntarily reporting the acquisition of shares of common stock pursuant to the Tandem Diabetes Care, Inc. 2013 Employee Stock Purchase Plan ("ESPP"), for the ESPP purchase period of November 16, 2018 through May 15, 2019. This transaction is also exempt under Rule 16b-3(c).
( 5 )The securities are held by the Leigh A. Vosseller Trust dated January 17, 2010, of which Leigh Vosseller is the Trustee.
( 6 )Fifty percent (50%) of the underlying shares subject to the option vested on 12/1/2018, and the remaining shares shall vest in twelve (12) equal monthly installments thereafter.
( 7 )The expiration date for these options is 10 years from the date of grant.

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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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