Quick Takeaways
- Debora L. Spar has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $947,015.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Debora L. Spar
- Location
- New York, NY
- Summary
- The estimated net worth of Debora L. Spar is at least $947,015 dollars as of 22 May 2025. Debora L. Spar is the Director of THERMO FISHER SCIENTIFIC INC. and owns shares of THERMO FISHER SCIENTIFIC INC. (TMO) stock worth about $902.5K. Debora L. Spar is the Former Director of Northern Star Acquisition Corp. and owns shares of Bark, Inc. (BARK) stock worth about $44.5K.
- Signature
- /s/ Melodie T. Morin, Attorney-in-Fact for Debora L. Spar
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Debora L. Spar 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: THERMO FISHER SCIENTIFIC INC. ($902,515).
- 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 Debora L. Spar
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| TMO | THERMO FISHER SCIENTIFIC INC. | Director | $902,515 | 21 May 2025 | ||
| BARK, BARKW | Northern Star Acquisition Corp. | Former Director | $44,500 | 01 Jun 2021 |
Insider Transactions Reported by Debora L. Spar:
| 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.