InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
1
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Slark Martin P, Director. Insider active across 3 companies, notably Northern Trust CORP. Aggregated, 34 reports have been recorded. Split: 1 buy · 0 sell. Activity tracked since 1 July 2021. The latest transaction was filed on 21 April 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Slark Martin P
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations34 total
989 shares0Common StockSEC:0001012930-26-000006:1
34.89 shares@ US$171.740.0000% mcap5.2% of flowCommon StockSEC:0001012930-26-000006:0
65.17 shares@ US$141.418.0% of flowCommon StockSEC:0001012930-26-000004:0
1,695 shares@ US$42.7522.6% of flowClass A Common StockSEC:0002098401-26-000002:0
67.08 shares@ US$136.596.4% of flowCommon StockSEC:0001012930-26-000002:0
69.41 shares@ US$131.206.8% of flowCommon StockSEC:0001012930-25-000004:0
66.32 shares@ US$127.996.8% of flowCommon StockSEC:0000073124-25-000217:0
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:0000073124-22-000132:0
25 of 34 declarations
About Slark Martin P
SLARK MARTIN P is Administrateur. He has 34 filings in total. Across the 34 recent filings we hold, the modal transaction nature is Attribution, with buy and sell amounts of EUR 0, and the period runs from 2016-01-05 to 2026-04-23. The largest recent filings concern Hub Group, Inc. and Northern Trust CORP.
