David B. Berger - 27 Aug 2021 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Role: EVP, Chief Business/Compliance
Signature: David B. Berger
Issuer symbol: TNDM
Transactions as of: 27 Aug 2021
Net transactions value: -$22,283
Form type: 4
Filing time: 31 Aug 2021, 16:23:05 UTC
Previous filing: 18 Aug 2021
Next filing: 17 Sep 2021
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	+407	+10%	$0.000000	4,449	27 Aug 2021	Direct
transaction	TNDM	Common Stock	Tax liability	$22,283	-202	-4.5%	$110.31	4,247	27 Aug 2021	Direct	F1
holding	TNDM	Common Stock						242	27 Aug 2021	Berger Family Trust	F2

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	+407	+10%	$0.000000	4,471	27 Aug 2021	Common Stock	407		Direct	F3, F4, F5

* 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	The securities are held by the Berger Family Trust dated April 16, 2008.
F3	Granted pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan (the 2013 Plan).
F4	Each restricted stock unit ("RSU") represents a contingent right to receive one share of Tandem common stock.
F5	RSU vested 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.