The sale is small and routine for a director exercising and selling options. No material insider signal. Monitor for any larger insider sales or changes in insider sentiment in future filings.
Price Chart
Executive Summary
Director Christopher Twomey filed a Form 144 notice of intent to sell 1,700 shares of Tandem Diabetes Care, with an approximate market value of $32,130. The shares were acquired through the exercise of stock options on the same day. This is a small, routine sale relative to the company's $1.2B market cap and carries limited signal.
Key Facts
- Director Christopher Twomey filed Form 144 to sell 1,700 shares of Tandem Diabetes Care.
- The approximate market value of the proposed sale is $32,130.
- The shares were acquired via exercise of stock options on October 27, 2026.
- The sale is small relative to the company's $1.2B market cap (0.00014% of shares outstanding).
Financial Impact
Proceeds of approximately $32,130 from sale of 1,700 shares; immaterial relative to company's $1.2B market cap.
Risk Factors
- Form 144 is only an intent to sell; the sale may not be executed.
- Small sale size limits signal value; no broader read-through for the stock.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-010437 |
| Document: 0001950047-26-010437-index.html | 0001950047-26-010437 |
| Document: 0001950047-26-010437.txt | 0001950047-26-010437 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 5d ago | 144 | $19.68 | awaiting T+20 | awaiting T+20 | $19.11 (−2.90%) |
Jun 11, 2026 20w ago | Institutional Cluster | $15.80 $15.37 | ▼ −2.72% | ▼ −4.61% | $19.11 (+20.95%) |
May 15, 2026 24w ago | 8-K | $12.82 $16.76 | ▲ +30.73% | ▲ +28.61% | $19.11 (+49.06%) |
Apr 7, 2026 29w ago | DEFA14A | $19.35 $19.42 | ▲ +0.36% | ▼ −8.18% | $19.11 (−1.24%) |
US Market Status
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