
Debora L. Spar
Director · THERMO FISHER SCIENTIFIC INC.
- 2026
- May 22, 2026
- 1
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Debora L. Spar files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Michel Lagarde - $51.31M in TMO purchases and sales in the last 12 months
- Marc N. Casper - $45.26M in TMO purchases and sales in the last 12 months
- Michael D. Shafer - $22.54M in TMO purchases and sales in the last 12 months
- Lisa P. Britt - $16.87M in TMO purchases and sales in the last 12 months
- Frederick M. Lowery - $8.15M in TMO purchases and sales in the last 12 months
- Gianluca Pettiti - $5.12M in TMO purchases and sales in the last 12 months
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Frequently asked questions
Who is Debora L. Spar?
Debora L. Spar is a corporate insider, tracked as Director of THERMO FISHER SCIENTIFIC INC. (TMO). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Debora L. Spar last file a Form 4?
The only primary Form 4 on record is dated 22 May 2026.