Thomas A South
CIK 1751051 · Executive Vice President · last filed 2026-05-26
Thomas A South is an Executive Vice President who has filed 37 SEC Form 4 insider transactions across 2 companies since 2019. The most recent filing, for NTRSO, was dated May 26, 2026. Across all open-market trades the lifetime net is −$2.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.8M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.84M
2
37
-$2.10M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| NTRSO | Executive Vice President | 99,001 | $18.56 | $1.84M | -$2.00M | 34 | 2026-05-26 |
| NORTHERN TRUST CORP (NTRSP) Delisted | Executive Vice President | 18,289 | — | — | -$98.5K | 3 | 2019-09-16 |
Recent Filings
37 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-26 | NTRSO | Gift (G) | −320 | $0 | EDGAR |
| 2026-05-04 | NTRSO | Gift (G) | −1,300 | $0 | EDGAR |
| 2026-03-04 | NTRSO | Tax (F) | −2,544 | -$364.2K | EDGAR |
| 2026-02-19 | NTRSO | Mixed | +11,286 | -$1.27M | EDGAR |
| 2026-02-09 | NTRSO | Mixed | +15,787 | -$158.3K | EDGAR |
| 2025-12-15 | NTRSO | Mixed | −5,080 | -$695.1K | EDGAR |
| 2025-12-05 | NTRSO | Tax (F) | −1,048 | -$137.6K | EDGAR |
| 2025-09-09 | NTRSO | Gift (G) | −155 | $0 | EDGAR |
| 2025-05-23 | NTRSO | Gift (G) | −500 | $0 | EDGAR |
| 2025-03-04 | NTRSO | Tax (F) | −3,203 | -$353.2K | EDGAR |