Tandem Diabetes Care, Inc. (TNDM)
Largest Insider Buys in Sector
TNDM Stock Price History Chart
TNDM Stock Performance
About Tandem Diabetes Care, Inc.
Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States and internationally. The company's flagship product is the t:slim X2 insulin delivery system, a pump platform that comprises t:slim X2 pump, its 300-unit disposable insulin cartridge, and an infusion set. It also provides t:slim X2 insulin with Basal-IQ and control IQ technology; t:slim X2 with G5 Integration; and Tandem Device Updater, a tool that allows users to update …
Insider Activity of Tandem Diabetes Care, Inc.
Over the last 12 months, insiders at Tandem Diabetes Care, Inc. have bought $107,141 and sold $1.5M worth of Tandem Diabetes Care, Inc. stock.
On average, over the past 5 years, insiders at Tandem Diabetes Care, Inc. have bought $339,772 and sold $79.49M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Allen Dick (director) — $94,778. Novara Mark David (EVP & CHIEF COMMERCIAL OFFICER) — $12,364.
The last purchase of 532 shares for transaction amount of $12,364 was made by Novara Mark David (EVP & CHIEF COMMERCIAL OFFICER) on 2024‑11‑15.
List of Insider Buy and Sell Transactions, Tandem Diabetes Care, Inc.
| 2024-11-21 | Sale | director | 30,000 0.0465% | $31.38 | $941,400 | -1.99% | ||
| 2024-11-20 | Sale | director | 10,000 0.0151% | $30.00 | $300,000 | +1.96% | ||
| 2024-11-15 | EVP & CHIEF COMMERCIAL OFFICER | 532 0.0007% | $23.24 | $12,364 | +11.36% | |||
| 2024-05-30 | Sale | director | 5,000 0.0075% | $51.68 | $258,400 | -21.80% | ||
| 2023-11-27 | director | 5,000 0.0074% | $18.96 | $94,778 | +74.58% | |||
| 2023-11-08 | EVP & CHIEF FINANCIAL OFFICER | 6,200 0.0094% | $15.39 | $95,395 | +117.52% | |||
| 2023-11-08 | Chief Legal Officer | 1,935 0.003% | $15.44 | $29,884 | +117.52% | |||
| 2023-09-15 | director | 1,000 0.0015% | $21.45 | $21,450 | +34.16% | |||
| 2023-05-18 | director | 10,000 0.0154% | $29.47 | $294,687 | -10.25% | |||
| 2023-05-17 | director | 3,000 0.0046% | $30.16 | $90,492 | -12.56% | |||
| 2023-05-12 | EVP & CHIEF FINANCIAL OFFICER | 3,015 0.0046% | $32.77 | $98,805 | -19.36% | |||
| 2023-03-03 | Sale | EVP & Chief Operating Officer | 10,000 0.0153% | $41.19 | $411,884 | -36.12% | ||
| 2022-12-16 | Sale | EVP & Chief Operating Officer | 10,000 0.0151% | $40.25 | $402,500 | -29.29% | ||
| 2022-06-08 | Sale | EVP & Chief Operating Officer | 3,097 0.0048% | $65.00 | $201,305 | -35.37% | ||
| 2022-05-17 | Sale | 10,762 0.0209% | $92.91 | $999,897 | -40.74% | |||
| 2022-05-09 | PRESIDENT & CEO | 2,500 0.0039% | $69.90 | $174,750 | -35.25% | |||
| 2022-05-06 | EVP & CHIEF FINANCIAL OFFICER | 1,000 0.0016% | $76.63 | $76,628 | -40.68% | |||
| 2022-05-06 | 400 0.0006% | $75.21 | $30,084 | -40.68% | ||||
| 2022-05-05 | Sale | 158 0.0003% | $111.73 | $17,653 | -43.75% | |||
| 2022-05-02 | Sale | 2,033 0.0031% | $96.55 | $196,285 | -53.21% |
Insider Historical Profitability
| BLICKENSTAFF KIM D | director | 165190 0.2515% | $30.76 | 3 | 33 | +440.37% |
| Novara Mark David | EVP & CHIEF COMMERCIAL OFFICER | 532 0.0008% | $30.76 | 1 | 0 | |
| Allen Dick | director | 0 0% | $30.76 | 6 | 9 | +388.75% |
| HLM VENTURE PARTNERS II, L.P. | 10 percent owner | 200000 0.3045% | $30.76 | 1 | 0 | |
| GREENE HOWARD E JR | director | 30000 0.0457% | $30.76 | 1 | 4 | +1234.89% |
Institutional Investor Ownership
| BlackRock | $326.92M | 14.29 | 9.23M | -0.14% | -$466,420.52 | 0.01 | |
| The Vanguard Group | $249.73M | 10.92 | 7.05M | +0.44% | +$1.09M | 0.01 | |
| Capital World Investors | $129.79M | 5.68 | 3.67M | -42.59% | -$96.27M | 0.02 | |
| Marshall Wace | $110.49M | 4.83 | 3.12M | +786.68% | +$98.03M | 0.11 | |
| Arrowmark Colorado Holdings Llc | $103.9M | 4.54 | 2.93M | -0.03% | -$29,177.84 | 0.26 |