Form 8-K
Material Company Update
2026-04-24
STT filed 8-K — material company event
STATE STREET CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Latest SEC filings for State Street Corporation (STT) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.
STATE STREET CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
TAHIRI MOSTAPHA, listed as EVP and COO at STATE STREET CORP, reported an open-market sale of 9,611 STT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
RICHARDS MICHAEL L, listed as EVP and Chief Admin Officer at STATE STREET CORP, reported an open-market sale of 3,000 STT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
TAHIRI MOSTAPHA filed a Form 144 with the SEC indicating intent to sell STT (STATE STREET CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
RICHARDS MICHAEL L filed a Form 144 with the SEC indicating intent to sell STT (STATE STREET CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
STATE STREET CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
STATE STREET CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Gordon Susan M. (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
STATE STREET CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
PLANSKY JOHN, listed as Executive Vice President at STATE STREET CORP, reported an open-market sale of 16,100 STT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
THE JOHN & LISA PLANSKY REV TRUST filed a Form 144 with the SEC indicating intent to sell STT (STATE STREET CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Porter Brian J., listed as Director at STATE STREET CORP, reported an open-market purchase of 2,500 STT shares in a Form 4 filing. Insider buying is often treated as a bullish signal because company insiders are committing their own capital.
O HANLEY RONALD P, listed as Director, Chairman, CEO and President at STATE STREET CORP, reported an open-market sale of 29,107 STT shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Shelton Mark (EVP; Gen Counsel and Secretary) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
O HANLEY RONALD P (Director, Chairman, CEO and President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.