Northern Trust Corp: chief administrative officer Taylor Alexandria sold 3,823 shares

What happened Taylor Alexandria, chief administrative officer, had 3,823 shares withheld and reported as disposed to satisfy tax withholding upon the vesting of 8,628 previously reported stock units. The filing lists the withheld shares at $165.40 per share for a total of $632,324. The remaining 4,805 shares from that vesting were distributed to the reporting person as shares of common stock.

Key details

• Transaction date: Oct 17, 2026; price: $165.40 per share; total value reported: $632,324.
• Transaction code: F (payment of exercise price or tax liability — shares withheld for taxes).
• Shares withheld/disposed: 3,823. Shares distributed to the reporting person from the same vesting: 4,805 (total vested stock units: 8,628).
• Footnote: the filing notes an additional 15,009 stock units payable automatically on a 1-for-1 basis in shares of common stock (F2).
• Filing date and timeliness: filed Oct 20, 2026 reporting the Oct 17, 2026 transaction; the filing is not marked late.

Why it may matter This filing reports tax withholding on vesting of stock units rather than an open-market sale or a purchase; 3,823 shares were withheld to cover Federal, State and Medicare taxes and 4,805 shares were distributed to the insider. The filing does not show why the insider traded or why the company acted.