William Porteous
Director · Spire Global, Inc.
Individual
- 2024
- Oct 6, 2026
- 8
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William Porteous 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.
- Peter Platzer - $3.83M in SPIR purchases and sales in the last 12 months
- Theresa Condor - $2.31M in SPIR purchases and sales in the last 12 months
- Perez Celia Pelez - $315K in SPIR purchases and sales in the last 12 months
- Alison K. Engel - $303K in SPIR purchases and sales in the last 12 months
- Stephen Messer - $253K in SPIR purchases and sales in the last 12 months
- Johann Gabriel Oehme - $210K in SPIR purchases and sales in the last 12 months
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Frequently asked questions
Who is William Porteous?
William Porteous is a corporate insider, tracked as Director of Spire Global, Inc. (SPIR). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William Porteous submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
