Christopher J. Twomey - 18 May 2022 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Role: Director
Signature: s/ Rachel Malina, Attorney-in-Fact for Christopher J. Twomey
Issuer symbol: TNDM
Transactions as of: 18 May 2022
Net transactions value: $0
Form type: 4
Filing time: 19 May 2022, 19:53:20 UTC
Previous filing: 10 May 2022
Next filing: 27 May 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	+2,205	+117%	$0.000000	4,097	18 May 2022	Direct
holding	TNDM	Common Stock						5,112	18 May 2022	See Footnote	F1
holding	TNDM	Common Stock						7,568	18 May 2022	See Footnotes	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	+2,205		$0.000000^*	0	18 May 2022	Common Stock	2,205		Direct	F3, F4, F5

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

Explanation of Responses:

Id	Content
F1	The securities are held by the Chris J. Twomey and Rebecca J. Twomey Family Trust UTD September 20, 2002.
F2	The securities are directly owned 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.
F3	Awarded on May 18, 2021 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the "2013 Plan").
F4	Each restricted stock unit represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.
F5	Shares will vest on the one year anniversary of the grant date, subject to the terms of the 2013 Plan.