InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
1
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-14.9%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by SLARK MARTIN P, Director. Insider active across 3 companies, notably Northern Trust CORP. Aggregated, 31 reports have been recorded. Split: 1 buy · 0 sell. Activity tracked since 1 July 2021. The latest transaction was filed on 1 April 2025 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations31 total
71.69 shares@ US$97.957.0% of flowCommon StockSEC:0000073124-25-000167:0
1,592 shares@ US$44.1732.5% of flowClass A Common StockSEC:0000950170-25-002697:0
68 shares@ US$102.507.2% of flowCommon StockSEC:0000073124-25-000010:0
77.9 shares@ US$88.726.7% of flowCommon StockSEC:0000073124-24-000233:0
81.72 shares@ US$83.836.8% of flowCommon StockSEC:0000073124-24-000194:0
69.95 shares@ US$79.565.6% of flowCommon StockSEC:0000073124-24-000145:0
60.62 shares@ US$88.445.4% of flowCommon StockSEC:0000073124-24-000113:0
932 shares@ US$91.2336.5% of flowClass A Common StockSEC:0000950170-24-001961:0
62.98 shares@ US$84.385.2% of flowCommon StockSEC:0000073124-24-000008:0
75.68 shares@ US$69.485.3% of flowCommon StockSEC:0000073124-23-000173:0
70.2 shares@ US$74.145.1% of flowCommon StockSEC:0000073124-23-000151:0
50.69 shares@ US$78.163.9% of flowCommon StockSEC:0000073124-23-000124:0
46.8 shares@ US$88.134.1% of flowCommon StockSEC:0000073124-23-000090:0
46.22 shares@ US$88.494.1% of flowCommon StockSEC:0000073124-23-000012:0
879 shares@ US$79.4931.0% of flowClass A Common StockSEC:0001567619-23-000362:0
47.38 shares@ US$85.564.4% of flowCommon StockSEC:0000073124-22-000195:0
38.44 shares@ US$97.723.8% of flowCommon StockSEC:0000073124-22-000172:0
30.2 shares@ US$107.930.0000% mcap13.0% of flowCommon StockSEC:0000073124-22-000133:0
30.2 shares@ US$107.930.0000% mcap13.0% of flowCommon StockSEC:0000073124-22-000132:0
25.13 shares@ US$115.550.0000% mcap11.1% of flowCommon StockSEC:0000073124-22-000107:0
2,375 shares0Class A Common StockSEC:0001567619-22-000427
2,375 shares0Class A Common StockSEC:0001567619-22-000427:0
24.14 shares@ US$119.612.7% of flowCommon StockSEC:0000073124-22-000012
24.14 shares@ US$119.610.0000% mcap10.8% of flowCommon StockSEC:0000073124-22-000012:0
26.27 shares@ US$109.230.0000% mcap10.5% of flowCommon StockSEC:0000073124-21-000263:0
25 of 31 declarations
About SLARK MARTIN P
Martin P. Slark is a Board Member at Northern Trust Corp and Hub Group, Inc. He brings valuable expertise to the board, contributing to the strategic direction of the companies. Slark is involved in policy formulation and decision-making that supports growth objectives. His commitment to innovation and operational excellence is essential for the success of the organizations.
