SEC Insider Transactions from SLARK MARTIN P.

Last updated: 2026-04-02 23:05 UTC | Total transactions: 28

SLARK MARTIN P has filed 28 insider transactions across 2 companies since January 2023.

Most recent transaction: a grant/award of 65 shares of NORTHERN TRUST CORP ($NTRS) on April 01, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 65 $141.41 26,080.5800 193,481,369 0.25% 0.00%
Jan. 2, 2026 Hub Group, Inc. $HUBG SLARK MARTIN P Not found A Class A Common Stock 4679 $0.00 243,050.0000 60,607,391 1.96% 0.01%
Jan. 2, 2026 Hub Group, Inc. $HUBG SLARK MARTIN P Not found F Class A Common Stock 1695 $42.75 238,371.0000 60,607,391 0.71% 0.00%
Jan. 1, 2026 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 67 $136.59 26,015.4100 193,481,369 0.26% 0.00%
Oct. 1, 2025 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 69 $131.20 25,948.3300 193,481,369 0.27% 0.00%
July 1, 2025 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 66 $127.99 25,878.9200 201,870,105 0.26% 0.00%
April 22, 2025 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 1902 $0.00 25,812.6000 201,870,105 7.95% 0.00%
April 1, 2025 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 72 $97.95 23,849.4300 201,870,105 0.30% 0.00%
April 22, 2025 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 61 $89.36 23,910.6000 201,870,105 0.26% 0.00%
Jan. 3, 2025 Hub Group, Inc. $HUBG SLARK MARTIN P Not found F Class A Common Stock 1592 $44.17 235,538.0000 60,746,745 0.67% 0.00%
Jan. 3, 2025 Hub Group, Inc. $HUBG SLARK MARTIN P Not found A Class A Common Stock 4528 $0.00 240,066.0000 60,746,745 1.92% 0.01%
Jan. 1, 2025 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 68 $102.50 23,777.7400 201,870,105 0.29% 0.00%
Oct. 1, 2024 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 78 $88.72 23,709.7400 203,131,400 0.33% 0.00%
July 1, 2024 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 82 $83.83 23,631.8400 207,563,746 0.35% 0.00%
April 16, 2024 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 1822 $0.00 23,550.1200 207,563,746 8.39% 0.00%
April 16, 2024 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 70 $79.56 21,728.1200 207,563,746 0.32% 0.00%
April 1, 2024 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 61 $88.44 21,658.1700 207,563,746 0.28% 0.00%
Jan. 2, 2024 Hub Group, Inc. $HUBG SLARK MARTIN P Not found A Class A Common Stock 2193 $0.00 118,565.0000 62,200,921 1.88% 0.00%
Jan. 2, 2024 Hub Group, Inc. $HUBG SLARK MARTIN P Not found F Class A Common Stock 932 $91.23 116,372.0000 62,200,921 0.79% 0.00%
Jan. 1, 2024 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 63 $84.38 21,597.5500 207,563,746 0.29% 0.00%
Oct. 1, 2023 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 76 $69.48 21,534.5700 208,867,264 0.35% 0.00%
July 1, 2023 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 70 $74.14 21,458.8900 208,867,264 0.33% 0.00%
April 25, 2023 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 1855 $0.00 21,388.6900 208,867,264 9.50% 0.00%
April 25, 2023 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 51 $78.16 19,533.6900 208,867,264 0.26% 0.00%
April 1, 2023 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 47 $88.13 19,483.0000 208,867,264 0.24% 0.00%
Jan. 2, 2023 Hub Group, Inc. $HUBG SLARK MARTIN P Director F Class A Common Stock 879 $79.49 114,787.0000 0 0.76% 0.00%
Jan. 1, 2023 NORTHERN TRUST CORP $NTRS SLARK MARTIN P Director A Common Stock 46 $88.49 19,436.2000 208,867,264 0.24% 0.00%
Jan. 2, 2023 Hub Group, Inc. $HUBG SLARK MARTIN P Director A Class A Common Stock 2517 $0.00 117,304.0000 0 2.19% 0.00%

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