Tandem Diabetes Care, Inc.
US ˙ NasdaqGM ˙ US8753722037

SecurityTNDM / Tandem Diabetes Care, Inc.
InsiderRick Carpenter
This page shows the track record and history of Carpenter Rick insider trades in Tandem Diabetes Care, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Rick Carpenter in TNDM / Tandem Diabetes Care, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

TNDM / Tandem Diabetes Care, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Rick Carpenter in TNDM / Tandem Diabetes Care, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

TNDM / Tandem Diabetes Care, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-16 2025-09-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 12.0900 -207 -3 22,566
2025-09-16 2025-09-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 22,773
2025-08-19 2025-08-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 10.8200 -457 -5 22,367
2025-08-19 2025-08-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 898 22,824
2025-08-19 2025-08-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 10.8200 -730 -8 21,926
2025-08-19 2025-08-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 1,437 22,656
2025-06-18 2025-06-16 4 Carpenter Rick TNDM Common Stock F - Taxes D 20.7600 -207 -4 21,219
2025-06-18 2025-06-16 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 21,426
2025-05-19 2025-05-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 22.7000 -1,285 -29 21,020
2025-05-19 2025-05-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 3,589 22,305
2025-05-19 2025-05-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 22.7000 -515 -12 18,716
2025-05-19 2025-05-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 1,437 19,231
2025-05-19 2025-05-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 22.7000 -214 -5 17,794
2025-05-19 2025-05-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 596 18,008
2025-05-19 2025-05-15 4 Carpenter Rick TNDM Common Stock A - Award D 15.6400 1,020 16 17,412
2025-03-19 2025-03-17 4 Carpenter Rick TNDM Common Stock F - Taxes D 19.1700 -146 -3 16,392
2025-03-19 2025-03-17 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 16,538
2025-02-20 2025-02-18 4 Carpenter Rick TNDM Common Stock F - Taxes D 33.4700 -591 -20 16,132
2025-02-20 2025-02-18 4 Carpenter Rick TNDM Common Stock M - Exercise D 1,438 16,723
2025-02-20 2025-02-18 4 Carpenter Rick TNDM Common Stock F - Taxes D 33.4700 -245 -8 15,285
2025-02-20 2025-02-18 4 Carpenter Rick TNDM Common Stock M - Exercise D 595 15,530
2024-12-18 2024-12-16 4 Carpenter Rick TNDM Common Stock F - Taxes D 32.6600 -145 -5 14,935
2024-12-18 2024-12-16 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 15,080
2024-11-19 2024-11-15 4 Carpenter Rick TNDM Common Stock A - Award D 15.6400 563 9 14,674
2024-11-19 2024-11-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 27.3400 -513 -14 14,111
2024-11-19 2024-11-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 1,437 14,624
2024-11-19 2024-11-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 27.3400 -213 -6 13,187
2024-11-19 2024-11-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 596 13,400
2024-09-18 2024-09-16 4 Carpenter Rick TNDM Common Stock F - Taxes D 43.9700 -145 -6 12,804
2024-09-18 2024-09-16 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 12,949
2024-08-19 2024-08-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 43.8200 -513 -22 12,543
2024-08-19 2024-08-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 1,437 13,056
2024-08-19 2024-08-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 43.8200 -213 -9 11,619
2024-08-19 2024-08-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 596 11,832
2024-06-20 2024-06-17 4 Carpenter Rick TNDM Common Stock F - Taxes D 45.3300 -145 -7 11,236
2024-06-20 2024-06-17 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 11,381
2024-05-17 2024-05-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 47.3700 -2,051 -97 10,975
2024-05-17 2024-05-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 5,748 13,026
2024-05-17 2024-05-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 47.3700 -213 -10 7,278
2024-05-17 2024-05-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 595 7,491
2024-05-17 2024-05-15 4 Carpenter Rick TNDM Common Stock A - Award D 15.6400 796 12 6,896
2024-03-19 2024-03-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 28.6200 -145 -4 6,100
2024-03-19 2024-03-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 405 6,245
2024-02-20 2024-02-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 24.2900 -245 -6 5,840
2024-02-20 2024-02-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 596 6,085
2023-12-19 2023-12-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 28.6300 -141 -4 5,489
2023-12-19 2023-12-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 5,630
2023-11-17 2023-11-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 18.2000 -207 -4 5,224
2023-11-17 2023-11-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 596 5,431
2023-11-17 2023-11-15 4 Carpenter Rick TNDM Common Stock A - Award D 15.4700 241 4 4,835
2023-09-19 2023-09-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 21.7500 -141 -3 4,594
2023-09-19 2023-09-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 4,735
2023-08-17 2023-08-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 28.8800 -206 -6 4,329
2023-08-17 2023-08-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 595 4,535
2023-06-16 2023-06-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 27.2100 -141 -4 3,940
2023-06-16 2023-06-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 4,081
2023-05-17 2023-05-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 32.1300 -825 -27 3,675
2023-05-17 2023-05-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 2,383 4,500
2023-05-17 2023-05-15 4 Carpenter Rick TNDM Common Stock A - Award D 27.3200 454 12 2,117
2023-03-17 2023-03-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 42.1400 -138 -6 1,663
2023-03-17 2023-03-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 406 1,801
2022-12-19 2022-12-15 4 Carpenter Rick TNDM Common Stock F - Taxes D 40.4200 -562 -23 1,395
2022-12-19 2022-12-15 4 Carpenter Rick TNDM Common Stock M - Exercise D 1,624 1,957
2022-11-17 2022-11-15 4 Carpenter Rick TNDM Common Stock A - Award D 35.9300 333 12 333
2022-05-27 2022-05-25 4 Carpenter Rick TNDM Restricted Stock Unit A - Award D 7,148 7,148
2022-01-27 2021-12-15 4 Carpenter Rick TNDM Restricted Stock Unit A - Award D 6,495 6,495
2021-11-24 3 Carpenter Rick TNDM Common Stock D 0
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)