Quick Takeaways
- John J. Sperzel III has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $77,238.
- Recent insider filing activity is available below.
Insider Trading & Ownership of John J. Sperzel III
- Location
- Brunswick, ME
- Summary
- The estimated net worth of John J. Sperzel III is at least $77,238 dollars as of 02 Jan 2025. John J. Sperzel III is the Chairman, President & CEO, Director of T2 Biosystems, Inc. and owns shares of T2 Biosystems, Inc. stock worth about $77.2K.
- Signature
- /s/ John Sprague, Attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow John J. Sperzel III and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: T2 Biosystems, Inc. ($77,238).
- 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.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of John J. Sperzel III
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| TTOO | T2 Biosystems, Inc. | Chairman, President & CEO, Director | $77,238 | 04 Nov 2024 |
Insider Transactions Reported by John J. Sperzel III:
| 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.