Mostapha Tahiri
EVP and COO · STATE STREET CORP
IndividualSelling only
- 2024
- Aug 18, 2026
- 8
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mostapha Tahiri 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.
- Hanley Ronald P. O. - $8.60M in STT purchases and sales in the last 12 months
- Kathryn M. Horgan - $3.31M in STT purchases and sales in the last 12 months
- W. Bradford Hu - $3.23M in STT purchases and sales in the last 12 months
- John Plansky - $2.00M in STT purchases and sales in the last 12 months
- Michael L. Richards - $1.20M in STT purchases and sales in the last 12 months
- Joerg Ambrosius - $1.12M in STT purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is Mostapha Tahiri?
Mostapha Tahiri is a corporate insider, tracked as EVP and COO of STATE STREET CORP (STT). 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 Mostapha Tahiri submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mostapha Tahiri been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.47M) across all tracked filings.
