Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Martin P. Slark currently holds 22,397.07 shares of NORTHERN TRUST CORP (NTRS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Martin P. Slark has been a net seller of NTRS stock. They have purchased $348.8K and sold $12.5M worth of shares.
Martin P. Slark's most recent insider trade was on Jul 1, 2026, when they sold 61.6 shares at $175.60 per share.
Martin P. Slark serves as Executive at NORTHERN TRUST CORP (NTRS). They have executed 376 insider transactions totaling $12.8M over their tenure at the company.
Martin P. Slark holds the position of Executive at NORTHERN TRUST CORP, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 21 years and currently hold a stake valued at $0.
Martin P. Slark has shown a selling trading pattern, with $348.8K in total purchases and $12.5M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Martin P. Slark was on Jan 2, 2022, when they sold $109.4K worth of HUBG shares. This transaction involved 1,299 shares at $84.24 per share.
Martin P. Slark currently owns 22,397.07 shares of NORTHERN TRUST CORP (NTRS), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Martin P. Slark's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Martin P. Slark has 376 Form 4 filings on record as an insider at NORTHERN TRUST CORP.
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