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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1438133	Tandem Diabetes Care Inc	TNDM	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1422126	B David Berger	C/O Tandem Diabetes Care, Inc. 11075 Roselle Street San Diego CA 92121	Evp, Bus Ops & Compliance	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2021-11-29	406	$0.00	4,653	No	4	M	Direct
Common Stock	Disposition	2021-11-29	202	$129.66	4,451	No	4	F	Direct
Common Stock	Acquisiton	2021-12-01	1,000	$18.86	5,451	No	4	M	Direct
Common Stock	Disposition	2021-12-01	900	$128.31	4,551	No	4	S	Direct
Common Stock	Disposition	2021-12-01	100	$129.61	4,451	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	F	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Restricted Stock Unit	Acquisiton	2021-11-29	406	$0.00	406	$0.00
Common Stock	Stock Option	Acquisiton	2021-12-01	1,000	$18.86	1,000	$18.86

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
4,065			No	4	M	Direct
63,000			No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	242	Indirect	Berger Family Trust

Footnotes

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.
Represents shares of common stock received upon exercise of a stock option award.
The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 11, 2021.
The price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $127.97 to $128.75. 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.
The securities are held by the Berger Family Trust dated April 16, 2008.
Granted pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan (the 2013 Plan).
Each RSU represents a contingent right to receive one share of common stock of the Company.
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.
The options vested as to fifty (50%) of the underlying shares on 6/14/2019, and the remaining shares vested in twelve (12) equal monthly installments thereafter, subject to the terms of the 2013 Plan.
The expiration date for these options is 10 years from the date of grant.