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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1438133	Tandem Diabetes Care Inc	TNDM	Surgical & Medical Instruments & Apparatus (3841)	204327508

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1582779	Dick Allen	12400 High Bluff Drive San Diego CA 92130		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2023-11-27	5,000	$18.96	19,962	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	21,892	Indirect	See Footnote
Common Stock	5,000	Indirect	See Footnote
Common Stock	1,000	Indirect	See Footnote

Footnotes

The securities are held by the Allen Family Trust dated October 12, 1981.
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.
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.