SLARK MARTIN P 4

What Happened

• Martin P. Slark, a director of Northern Trust Corporation (NTRS), received awards on April 21, 2026 consisting of 34.89 shares at a reported price of $171.74 (valued at about $5,992) and 989 stock units reported at $0.00. The filing reports these as acquisitions via award/grant (transaction code A).

Key Details

• Transaction date: 2026-04-21; filing date: 2026-04-23 (filed within the typical two-business-day window).
• Awarded: 34.89 shares @ $171.74 (value ≈ $5,992) and 989 stock units @ $0.00.
• Shares owned after the transaction: not specified in this filing.
• Footnote: The 989 units represent stock units payable on a 1-for-1 basis in common stock (footnote F1).
• Transaction type/code: A = Award/Grant (not an open-market purchase or sale).

Context

• This was a compensation award rather than a purchase or sale; such grants are common for directors and don’t necessarily signal personal bullishness. The 989 stock units are deferred/contingent units that will convert to shares on a 1-for-1 basis per the footnote when paid.