SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Allen Dick
(Last) (First) (Middle)
C/O TANDEM DIABETES CARE, INC.,
11075 ROSELLE STREET
(Street)
SAN DIEGO CA 92121
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
TANDEM DIABETES CARE INC [ TNDM ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
11/09/2020
4. If Amendment, Date of 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
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 11/09/2020 M(1) 1,700 A $101.3 31,700 I See Footnote(2)
Common Stock 11/09/2020 M(1) 15,000 A $33.12 46,700 I See Footnote(2)
Common Stock 11/09/2020 M(1) 3,732 A $64.66 50,432 I See Footnote(2)
Common Stock 11/09/2020 S 5,259 D $106.9772(3) 45,173 I See Footnote(2)
Common Stock 11/09/2020 S 10,695 D $107.6053(4) 34,478 I See Footnote(2)
Common Stock 11/09/2020 S 4,478 D $108.5293(5) 30,000 I See Footnote(2)
Common Stock 11/09/2020 G(6) 2,500 D $111.325(7) 27,500 I See Footnote(2)
Common Stock 11/09/2020 G(8) 2,500 D $111.325(7) 25,000 I See Footnote(2)
Common Stock 1,000 I See Footnotes(9)
Common Stock 1,000 I See Footnote(s)(10)
Common Stock 7,526 I See Footnotes)(11)
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 Securities Underlying Derivative Security (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: 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 $64.66 11/09/2020 M 3,732 (12) (13) Common Stock 3,732 $0 0 D
Stock Option $33.12 11/09/2020 M 15,000 (14) (13) Common Stock 15,000 $0 10,000 D
Stock Option $101.3 11/09/2020 M 1,700 (15) (13) Common Stock 1,700 $0 0 D
Explanation of Responses:
1. Represents shares of common stock received upon exercise of a stock option award.
2. The securities are held by the Allen Family Trust dated October 12, 1981.
3. The price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $106.12 to $107.11. 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 price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $107.13 to $108.05. 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.
5. The price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $108.20 to $109.00. 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.
6. The shares were given as a bona fide gift to The Gammon Family Trust, 2000.
7. The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.
8. The shares were given as a bona fide gift to Brett R. Allen and Portia N. Langworthy, JTTEN
9. The securities are held by the Gammon Children's 2000 Trust FBO Hannah Lee Gammon. The Reporting Person is co-trustee of the Gammon Children's 2000 Trust FBO Hannah Lee Gammon and has shared voting and investment power over the securities held by the Gammon Children's 2000 Trust FBO Hannah Lee Gammon and may be deemed to have indirect beneficial ownership of such securities. The Reporting Person disclaims beneficial ownership of such securities held by the Gammon Children's 2000 Trust FBO Hannah Lee Gammon.
10. The securities are held by the Gammon Children's 2000 Trust FBO Jake Allen Gammon. The Reporting Person is co-trustee of the Gammon Children's 2000 Trust FBO Jake Allen Gammon and has shared voting and investment power over the securities held by the Gammon Children's 2000 Trust FBO Jake Allen Gammon and may be deemed to have indirect beneficial ownership of such securities. The Reporting Person disclaims beneficial ownership of such securities held by the Gammon Children's 2000 Trust FBO Jake Allen Gammon.
11. The securities are held by Allen Cornerstone Ventures L.P. The Reporting Person is the managing partner of Allen Cornerstone Ventures L.P. and may be deemed to have indirect beneficial ownership of such securities. The Reporting Person disclaims beneficial ownership of such securities held by Allen Cornerstone Ventures L.P., except to the extent of his proportionate pecuniary interest therein.
12. Shares vested in twelve (12) equal monthly installments from June 18, 2019.
13. The expiration date for these options is 10 years from the date of grant.
14. Shares vested in twelve (12) equal monthly installments from November 15, 2018.
15. Shares vested in twelve (12) equal monthly installments from November 16, 2015.
Remarks:
s/ David B. Berger, Attorney-in-Fact for Dick P. Allen 11/12/2020
** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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