NORTHERN TRUST CORP (NTRS) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-28 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: NORTHERN TRUST CORP (NTRS) CIK: 0000073124 --- Reporting Owner --- Name: Fox David W Jr CIK: 0002039870 Role: Officer (EVP & Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-04-28 | Code: S (Open market sale) Shares: -19,987 | Price: $166.16 Total Value: $3,321,039.92 Shares Owned After: 18,588 | Ownership: I (Indirect) | Nature: By Trust Footnotes: [F1] Shares are held in a trust established for the benefit of the reporting person, of which the reporting person is the trustee and has investment control. [Transaction #2] Security: Common Stock Date: 2026-04-29 | Code: S (Open market sale) Shares: -13 | Price: $165.74 Total Value: $2,154.62 Shares Owned After: 18,575 | Ownership: I (Indirect) | Nature: By Trust Footnotes: [F1] Shares are held in a trust established for the benefit of the reporting person, of which the reporting person is the trustee and has investment control. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) Footnotes: [F2] Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock. [Holding #2] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] Shares are held in a trust established for the benefit of reporting person and his descendants, of which the reporting person is the trustee and has investment control. [Holding #3] Security: Common Stock Ownership: I (Indirect) Footnotes: [F1] Shares are held in a trust established for the benefit of the reporting person, of which the reporting person is the trustee and has investment control. --- Footnotes (Complete Index) --- F1: Shares are held in a trust established for the benefit of the reporting person, of which the reporting person is the trustee and has investment control. F2: Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock. F3: Shares are held in a trust established for the benefit of reporting person and his descendants, of which the reporting person is the trustee and has investment control. --- Signature --- /s/ David A. Serna, Attorney-in-Fact for David W. Fox, Jr. (2026-04-29)