Thomas A. South serves as Executive at NORTHERN TRUST CORP, where they oversee executive responsibilities. Since joining the company, Thomas A. South has executed 37 insider transactions totaling $1.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 17, 2026 involved selling 8,606 shares valued at $1.3M.
Thomas A. South currently holds 98,881 shares of NORTHERN TRUST CORP (NTRS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas A. South has been a net seller of NTRS stock. They have purchased $0 and sold $1.1M worth of shares.
Thomas A. South's most recent insider trade was on Feb 17, 2026, when they sold 8,606 shares at $147.24 per share.
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| $N/A |
| Discretionary |
| Feb 5, 2026 | NTRS | $158.3K | Payment | 1,063 | $148.88 | Discretionary |
| Feb 5, 2026 | NTRS | $0 | Award | 16,850 | $N/A | Discretionary |
| Dec 11, 2025 | NTRS | $0 | Gift | 80 | $N/A | Discretionary |
| Dec 11, 2025 | NTRS | $695.1K | Sale | 5,000 | $139.03 | Discretionary |
| Dec 3, 2025 | NTRS | $137.6K | Payment | 1,048 | $131.32 | Discretionary |
| Sep 9, 2025 | NTRS | $0 | Gift | 155 | $N/A | Discretionary |
| Apr 23, 2024 | NTRS | $0 | Gift | 600 | $N/A | Discretionary |
| Mar 1, 2024 | NTRS | $259.5K | Payment | 3,169 | $81.90 | Discretionary |
| Feb 21, 2024 | NTRS | $0 | Award | 9,047 | $N/A | Discretionary |
| Feb 20, 2024 | NTRS | $548.7K | Payment | 6,901 | $79.51 | Discretionary |
| Feb 20, 2024 | NTRS | $0 | Award | 16,067 | $N/A | Discretionary |
| Mar 1, 2023 | NTRS | $244.3K | Payment | 2,585 | $94.49 | Discretionary |
| Feb 22, 2023 | NTRS | $0 | Award | 8,669 | $N/A | Discretionary |
| Feb 21, 2023 | NTRS | $271.6K | Payment | 2,868 | $94.70 | Discretionary |
| Feb 21, 2023 | NTRS | $0 | Award | 9,629 | $N/A | Discretionary |
| Mar 1, 2022 | NTRS | $240.0K | Payment | 2,199 | $109.14 | Discretionary |
| Feb 23, 2022 | NTRS | $0 | Award | 7,546 | $N/A | Discretionary |
| Jan 18, 2022 | NTRS | $0 | Award | 4,196 | $N/A | Discretionary |
| Jan 18, 2022 | NTRS | $168.8K | Payment | 1,277 | $132.16 | Discretionary |
| Dec 9, 2021 | NTRS | $236.4K | Sale | 2,000 | $118.22 | Discretionary |
| Jul 28, 2021 | NTRS | $0 | Gift | 444 | $N/A | Discretionary |
| Apr 26, 2021 | NTRS | $109.7K | Sale | 1,000 | $109.65 | Discretionary |
| Mar 1, 2021 | NTRS | $124.1K | Payment | 1,261 | $98.43 | Discretionary |
| Feb 22, 2021 | NTRS | $56.1K | Payment | 579 | $96.92 | Discretionary |
| Feb 17, 2021 | NTRS | $0 | Award | 6,554 | $N/A | Discretionary |
| Dec 14, 2020 | NTRS | $0 | Gift | 300 | $N/A | Discretionary |
| Mar 2, 2020 | NTRS | $71.6K | Payment | 826 | $86.63 | Discretionary |
| Feb 21, 2020 | NTRS | $54.8K | Payment | 541 | $101.35 | Discretionary |