Susan Morrison - 29 Nov 2021 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Role: EVP & Chief Admin. Officer
Signature: s/ David B. Berger, Attorney-in-Fact for Susan M. Morrison
Issuer symbol: TNDM
Transactions as of: 29 Nov 2021
Net transactions value: -$23,079
Form type: 4
Filing time: 01 Dec 2021, 18:37:34 UTC
Previous filing: 17 Nov 2021
Next filing: 02 Mar 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TNDM	Common Stock	Options Exercise	$0	+406	+5%	$0.000000	8,488	29 Nov 2021	Direct
transaction	TNDM	Common Stock	Tax liability	$23,079	-178	-2.1%	$129.66	8,310	29 Nov 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TNDM	Restricted Stock Unit	Options Exercise	$0	+406	+11%	$0.000000	4,065	29 Nov 2021	Common Stock	406		Direct	F2, F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.
F2	Granted pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan (the 2013 Plan).
F3	Each RSU represents a contingent right to receive one share of common stock of the Company.
F4	RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/27/2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.