InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
3
T+90 hit rate
33%
T+90 mean return
-1.7%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Spar Debora L, Director. Director active across 2 companies, notably Thermo Fisher Scientific INC.. Aggregated, 11 disclosures have been logged. Breakdown: 0 buy · 3 sells. Total volume traded: €292k. Activity tracked since 19 May 2021. The latest transaction was disclosed on 21 May 2025 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Declarations11 total
565 shares0Common StockSEC:0000097745-25-000058:0
339 shares0Common StockSEC:0001127602-24-016373:0
164 shares@ US$546.9728.5% of flowCommon StockSEC:0001127602-24-005038:0
392 shares0Common StockSEC:0001127602-23-016994:0
200 shares@ US$561.3936.0% of flowCommon StockSEC:0001127602-22-027665:0
369 shares0Common StockSEC:0001127602-22-015289:0
200 shares@ US$544.3580.0001% mcap100.0% of flowCommon StockSEC:0001127602-22-013268:0
50,000 sharesCommon StockSEC:0001094891-21-000236
50,000 sharesCommon StockSEC:0001094891-21-000236:0
438 shares0Common StockSEC:0001127602-21-017554
438 shares0Common StockSEC:0001127602-21-017554:0
11 of 11 declarations
About Spar Debora L
Debora L. Spar is a Board Member at Thermo Fisher Scientific Inc. and Northern Star Acquisition Corp. In these roles, she contributes to the governance of the companies and to strategic decision-making.
