SLARK MARTIN P (CIK 1012930) reported 12 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy NTRS (62 shares), Buy NTRS (35 shares), Buy NTRS (989 shares), Buy NTRS (65 shares), Sell HUBG (1,695 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 62 | $10,817 |
| 2026-04-23 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 35 | $5,992 |
| 2026-04-23 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 989 | $0 |
| 2026-04-02 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 65 | $9,216 |
| 2026-01-07 | Hub Group, Inc. (HUBG) | Director | Sell | 1,695 | $72,461 |
| 2026-01-07 | Hub Group, Inc. (HUBG) | Director | Buy | 4,679 | $0 |
| 2026-01-05 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 67 | $9,162 |
| 2025-10-02 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 69 | $9,107 |
| 2025-07-02 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 66 | $8,488 |
| 2025-04-24 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 72 | $7,022 |
| 2025-04-24 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 61 | $5,466 |
| 2025-04-24 | NORTHERN TRUST CORP (NTRS) | Director | Buy | 1,902 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02