TWOMEY CHRISTOPHER J

TNDM

TWOMEY CHRISTOPHER J serves as director at Tandem Diabetes Care, Inc. (TNDM). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

7 trades

$2.72M

Net Position

Net Seller

$2.72M

Companies Traded

TNDM

Active Period

Apr 2021 – Oct 2026

7 total trades

Most Recent

Sell TNDM

Oct 29, 2026 · $32.6K

TWOMEY CHRISTOPHER J's Insider Trading at Tandem Diabetes Care, Inc. (TNDM)

Buys

0 · $0.00

Sells

7 · $2.72M

Total Shares Bought

Total Shares Sold

27,217

TNDM Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 29, 2026	Sell	1,700	$19.15	$32.6K	24,434
May 10, 2022	Sell	248	$111.73	$27.7K	7,568
Sep 9, 2021	Sell	304	$123.00	$37.4K	7,532
Sep 3, 2021	Sell	8,696	$115.00	$1.00M	7,836
Jul 30, 2021	Sell	8,000	$105.00	$840.0K	15,032
May 20, 2021	Sell	269	$89.03	$23.9K	20,032
Apr 23, 2021	Sell	8,000	$95.01	$760.1K	25,901