Mark David Novara Tandem Diabetes Care Inc (TNDM) insider trading activity

Mark David Novara is EVP & CHIEF COMMERCIAL OFFICER of TANDEM DIABETES CARE INC. Currently has a direct ownership of 35,956 shares of TNDM, which is worth approximately $669,141. The most recent transaction as insider was on Dec 15, 2025, when has been sold 3,843 shares (Common Stock) at a price of $22.11 per share, resulting in proceeds of $84,968. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 36K

11.15% 3M change

84.79% 12M change

Total Value Held $669,141

Mark David Novara Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 15 2025	SELL Payment of exercise price or tax liability	$84,968 $22.11 p/Share	3,843 Reduced 9.66%	35,956 Common Stock
Dec 15 2025	BUY Exercise of conversion of derivative security	-	7,415 Added 15.71%	39,799 Common Stock
Nov 17 2025	SELL Payment of exercise price or tax liability	$744 $18.61 p/Share	40 Reduced 0.12%	32,384 Common Stock
Nov 17 2025	BUY Exercise of conversion of derivative security	-	76 Added 0.23%	32,424 Common Stock
Sep 15 2025	SELL Payment of exercise price or tax liability	$46,739 $12.09 p/Share	3,866 Reduced 10.68%	32,348 Common Stock
Sep 15 2025	BUY Exercise of conversion of derivative security	-	7,415 Added 17.0%	36,214 Common Stock
Aug 15 2025	SELL Payment of exercise price or tax liability	$432 $10.82 p/Share	40 Reduced 0.14%	28,799 Common Stock

Aug 15 2025	BUY Exercise of conversion of derivative security	-	76 Added 0.26%	28,839 Common Stock
Jun 16 2025	SELL Payment of exercise price or tax liability	$79,842 $20.76 p/Share	3,846 Reduced 11.79%	28,763 Common Stock
Jun 16 2025	BUY Exercise of conversion of derivative security	-	7,414 Added 18.52%	32,609 Common Stock
May 15 2025	SELL Payment of exercise price or tax liability	$2,565 $22.7 p/Share	113 Reduced 0.45%	25,195 Common Stock
May 15 2025	BUY Exercise of conversion of derivative security	-	304 Added 1.19%	25,308 Common Stock
May 15 2025	BUY Grant, award, or other acquisition	$16,791 $19.3 p/Share	870 Added 3.36%	25,004 Common Stock
Mar 17 2025	SELL Payment of exercise price or tax liability	$52,506 $19.17 p/Share	2,739 Reduced 10.19%	24,134 Common Stock
Mar 17 2025	BUY Exercise of conversion of derivative security	-	7,415 Added 21.63%	26,873 Common Stock
Dec 16 2024	SELL Payment of exercise price or tax liability	$350,507 $32.66 p/Share	10,732 Reduced 35.55%	19,458 Common Stock
Dec 16 2024	BUY Exercise of conversion of derivative security	-	29,658 Added 49.56%	30,190 Common Stock
Nov 15 2024	BUY Open market or private purchase	$12,363 $23.24 p/Share	532 Added 50.0%	532 Common Stock

MDN

Mark David Novara

EVP & CHIEF COMMERCIAL OFFICER

San Diego, CA

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