Insider · CIK 0001012930
Martin P Slark
Files at NTRS (NORTHERN TRUST CORP), HUBG (Hub Group, Inc.). First filing -, latest -.
In brief
Martin P Slark files SEC Form 4 as director at NTRS (NORTHERN TRUST CORP), and also at HUBG (Hub Group, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Martin P Slark has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 15 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +71 | $169.20 | $12k | 22,468 | 11 d ago |
| Jul 1, 2026 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +62 | $175.60 | $11k | 22,397 | Jul 2, 2026 |
| Apr 21, 2026 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +35 | $171.74 | $5,992 | 21,346 | Apr 23, 2026 |
| Apr 21, 2026 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +989 | $0.00 | $0 | 22,335 | Apr 23, 2026 |
| Apr 1, 2026 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +65 | $141.41 | $9,216 | 21,312 | Apr 2, 2026 |
| Jan 2, 2026 | HUBG Hub Group, Inc. | FTax withholding Class A Common Stock | -1,695 | $42.75 | $72k | 238,371 | Jan 7, 2026 |
| Jan 2, 2026 | HUBG Hub Group, Inc. | AGrant or award Class A Common Stock | +4,679 | $0.00 | $0 | 243,050 | Jan 7, 2026 |
| Jan 1, 2026 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +67 | $136.59 | $9,162 | 21,246 | Jan 5, 2026 |
| Oct 1, 2025 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +69 | $131.20 | $9,107 | 21,179 | Oct 2, 2025 |
| Jul 1, 2025 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +66 | $127.99 | $8,488 | 21,110 | Jul 2, 2025 |
| Apr 1, 2025 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +72 | $97.95 | $7,022 | 19,080 | Apr 24, 2025 |
| Apr 22, 2025 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +61 | $89.36 | $5,466 | 19,142 | Apr 24, 2025 |
| Apr 22, 2025 | NTRS NORTHERN TRUST CORP | AGrant or award Common Stock | +1,902 | $0.00 | $0 | 21,044 | Apr 24, 2025 |
| Jan 3, 2025 | HUBG Hub Group, Inc. | FTax withholding Class A Common Stock | -1,592 | $44.17 | $70k | 235,538 | Jan 7, 2025 |
| Jan 3, 2025 | HUBG Hub Group, Inc. | AGrant or award Class A Common Stock | +4,528 | $0.00 | $0 | 240,066 | Jan 7, 2025 |
Questions about Martin P Slark
Answered from the filings on this page, as of the latest one.
Is Martin P Slark buying or selling?
Martin P Slark has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Martin P Slark's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Martin P Slark has 0.
Where does Martin P Slark file Form 4?
Martin P Slark has filed Form 4 at NTRS (NORTHERN TRUST CORP); HUBG (Hub Group, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.