Quick Takeaways
- Bob Rosenthal has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $1,963,017.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Bob Rosenthal
- Location
- Boston, MA
- Summary
- The estimated net worth of Bob Rosenthal is at least $1,963,017 dollars as of 18 Feb 2026. Bob Rosenthal is the Director of BRUKER CORP and owns shares of BRUKER CORP (BRKR) stock worth about $1.88M. Bob Rosenthal is the Director of SAFEGUARD SCIENTIFICS INC and owns shares of SAFEGUARD SCIENTIFICS INC (SFES) stock worth about $84.5K.
- Signature
- /s/ Michael Simone, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Bob Rosenthal 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: BRUKER CORP ($1,878,551).
- 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 Bob Rosenthal
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| BRKR, BRKRP | BRUKER CORP | Director | $1,878,551 | 15 Feb 2026 | ||
| SFES | SAFEGUARD SCIENTIFICS INC | Director | $84,466 | 15 Apr 2022 | ||
| NVIV | INVIVO THERAPEUTICS HOLDINGS CORP. | Director | 17 Nov 2022 |
Insider Transactions Reported by Bob Rosenthal:
| 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.