The buying and selling of stock by a company’s insider give investors a sense that the stock will rise or fall in the future. Tandem Diabetes Care Inc shares valued at $102,318 were purchased by Sheridan John F on Aug 11 ’25. At $10.23 per share, Sheridan John F acquired 10,000 shares. The insider’s holdings grew to 106,327 shares worth approximately $1.39 million following the completion of this transaction.
Also, Vosseller Leigh purchased 13,720 shares, netting a total of over 149,404 in proceeds. Following the buying of shares at $10.89 each, the insider now holds 25,580 shares.
Before that, Kyrillos Jean-Claude had added 10,538 shares to its account. In a trade valued at $190,966, the EVP & Chief Operating Officer bought Tandem Diabetes Care Inc shares for $18.12 each. Upon closing the transaction, the insider’s holdings increased to 10,538 shares, worth approximately $0.14 million.
As published in their initiating research note from Oppenheimer on September 08, 2025, Tandem Diabetes Care Inc [TNDM] has been an Outperform and the price target has been revised to $22. Analysts at Citigroup upgraded the stock from ‘”a Sell”‘ to ‘”a Neutral”‘ outlook in a report released in mid August. As of August 07, 2025, Piper Sandler has decreased its “an Overweight” rating to a “Neutral” for TNDM. Earlier on July 09, 2025, Citigroup downgraded its rating. Their new recommendation was “a Sell” for TNDM stock which previously was a “a Neutral”.
Analyzing TNDM Stock Performance
On last trading session, Tandem Diabetes Care Inc [NASDAQ: TNDM] rose 5.64% to $13.11. The stock’s lowest price that day was $12.38, but it reached a high of $13.2 in the same session. During the last five days, there has been a surge of approximately 9.62%. Over the course of the year, Tandem Diabetes Care Inc shares have dropped approximately -69.09%. Shares of the company reached a 52-week high of $38.28 on 01/06/25 and a 52-week low of $9.98 on 08/07/25.
Support And Resistance Levels for Tandem Diabetes Care Inc (TNDM)
According to the 24-hour chart, there is a support level at 12.59, which, if violated, would cause prices to drop to 12.08. In the upper region, resistance lies at 13.41. The next price resistance is at 13.72. RSI (Relative Strength Index) is 55.73 on the 14-day chart, showing neutral technical sentiment.
Is Tandem Diabetes Care Inc subject to short interest?
Stocks of Tandem Diabetes Care Inc saw a sharp rise in short interest on 2025-09-15 jumping by 2.16 million shares to 7.93 million. Data from Yahoo Finance shows that the short interest on 2025-08-15 was 5.77 million shares. A jump of 27.28% in short interest reflects a negative sentiment towards the stock. Despite the fact that short shares comprise just 4.28 of the overall float, the days-to-cover ratio (short ratio) jumped to 4.28.
Which companies own the most shares of Tandem Diabetes Care Inc (TNDM)?
In terms of Tandem Diabetes Care Inc share price expectations, FactSet research, analysts set an average price target of 22 in the next 12 months, up nearly 77.28% from the previous closing price of $12.41. Analysts anticipate Tandem Diabetes Care Inc stock to reach 24 by 2025, with the lowest price target being 14. In spite of this, 10 analysts ranked Tandem Diabetes Care Inc stock as Buy at the end of 2025. On June 16, 2025, Truist assigned a price target of “a Hold” to the stock and initiated coverage with a $24.
