Quick Takeaways
- Christopher J. Twomey has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $455,744.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Christopher J. Twomey
- Location
- San Diego, CA
- Summary
- The estimated net worth of Christopher J. Twomey is at least $455,744 dollars as of 12 Jun 2025. Christopher J. Twomey is the Director of TANDEM DIABETES CARE INC and owns shares of TANDEM DIABETES CARE INC (TNDM) stock worth about $455.7K.
- Signature
- /s/ Jonathan V. Dixon, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Christopher J. Twomey and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: TANDEM DIABETES CARE INC ($455,744).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Christopher J. Twomey
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| TNDM | TANDEM DIABETES CARE INC | Director | $455,744 | 21 May 2025 | ||
| BNGO | Bionano Genomics, Inc. | Director | 11 Jun 2025 |
Insider Transactions Reported by Christopher J. Twomey:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.