Thomas A. South

CIK: 0001751051

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (19.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (19.0%)

Compensation grants

Other (G, F, J, C, D, …)13 (61.9%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NTRS

NORTHERN TRUST CORP

Officer

Discretionary Trading P&L

Holdings

Transaction History (21 total)

NTRS
NORTHERN TRUST CORP
Aug 24, 2026
Sale(S)
Direct
1.8K shares at avg. $184.90$333K
NTRS
NORTHERN TRUST CORP
May 22, 2026
Gift(G)
Direct
320 shares-
NTRS
NORTHERN TRUST CORP
May 4, 2026
Gift(G)
Direct
1.3K shares-
NTRS
NORTHERN TRUST CORP
Mar 1, 2026
Tax Payment(F)
Direct
2.5K shares at avg. $143.15$364K
NTRS
NORTHERN TRUST CORP
Feb 17, 2026
Tax Payment(F)
Direct
8.6K shares at avg. $147.24$1.3M
NTRS
NORTHERN TRUST CORP
Feb 17, 2026
Award(A)
Direct
19.9K shares-
NTRS
NORTHERN TRUST CORP
Feb 5, 2026
Award(A)
Direct
16.9K shares-
NTRS
NORTHERN TRUST CORP
Feb 5, 2026
Tax Payment(F)
Direct
1.1K shares at avg. $148.88$158K
NTRS
NORTHERN TRUST CORP
Dec 11, 2025
Gift(G)
Direct
80 shares-
NTRS
NORTHERN TRUST CORP
Dec 11, 2025
Sale(S)
Direct
5K shares at avg. $139.03$695K
NTRS
NORTHERN TRUST CORP
Dec 3, 2025
Tax Payment(F)
Direct
1K shares at avg. $131.32$138K
NTRS
NORTHERN TRUST CORP
Sep 9, 2025
Gift(G)
Direct
155 shares-
NTRS
NORTHERN TRUST CORP
May 22, 2025
Gift(G)
Direct
500 shares-
NTRS
NORTHERN TRUST CORP
Mar 1, 2025
Tax Payment(F)
Direct
3.2K shares at avg. $110.27$353K
NTRS
NORTHERN TRUST CORP
Feb 19, 2025
Sale(S)
Direct
3.8K shares at avg. $113.00$430K
NTRS
NORTHERN TRUST CORP
Feb 18, 2025
Tax Payment(F)
Direct
7.3K shares at avg. $112.69$828K
NTRS
NORTHERN TRUST CORP
Feb 18, 2025
Award(A)
Direct
18.2K shares-
NTRS
NORTHERN TRUST CORP
Feb 5, 2025
Award(A)
Direct
25.9K shares-
NTRS
NORTHERN TRUST CORP
Dec 3, 2024
Tax Payment(F)
Direct
851 shares at avg. $110.31$94K
NTRS
NORTHERN TRUST CORP
Nov 7, 2024
Sale(S)
Direct
5K shares at avg. $105.80$529K
NTRS
NORTHERN TRUST CORP
Oct 28, 2024
Gift(G)
Direct
500 shares-

		Type	Shares	Price		Ownership
Aug 24, 2026	NTRS NORTHERN TRUST CORP	Sale(S)	1,800	$184.90	$332,820	Direct
May 22, 2026	NTRS NORTHERN TRUST CORP	Gift(G)	320	-	$0	Direct
May 4, 2026	NTRS NORTHERN TRUST CORP	Gift(G)	1,300	-	$0	Direct
Mar 1, 2026	NTRS NORTHERN TRUST CORP	Tax Payment(F)	2,544	$143.15	$364,174	Direct
Feb 17, 2026	NTRS NORTHERN TRUST CORP	Tax Payment(F)	8,606	$147.24	$1,267,147	Direct
Feb 17, 2026	NTRS NORTHERN TRUST CORP	Award(A)	19,892	-	$0	Direct
Feb 5, 2026	NTRS NORTHERN TRUST CORP	Award(A)	16,850	-	$0	Direct
Feb 5, 2026	NTRS NORTHERN TRUST CORP	Tax Payment(F)	1,063	$148.88	$158,259	Direct
Dec 11, 2025	NTRS NORTHERN TRUST CORP	Gift(G)	80	-	-	Direct
Dec 11, 2025	NTRS NORTHERN TRUST CORP	Sale(S)	5,000	$139.03	$695,150	Direct
Dec 3, 2025	NTRS NORTHERN TRUST CORP	Tax Payment(F)	1,048	$131.32	$137,623	Direct
Sep 9, 2025	NTRS NORTHERN TRUST CORP	Gift(G)	155	-	-	Direct
May 22, 2025	NTRS NORTHERN TRUST CORP	Gift(G)	500	-	-	Direct
Mar 1, 2025	NTRS NORTHERN TRUST CORP	Tax Payment(F)	3,203	$110.27	$353,195	Direct
Feb 19, 2025	NTRS NORTHERN TRUST CORP	Sale(S)	3,804	$113.00	$429,852	Direct
Feb 18, 2025	NTRS NORTHERN TRUST CORP	Tax Payment(F)	7,347	$112.69	$827,933	Direct
Feb 18, 2025	NTRS NORTHERN TRUST CORP	Award(A)	18,190	-	-	Direct
Feb 5, 2025	NTRS NORTHERN TRUST CORP	Award(A)	25,850	-	-	Direct
Dec 3, 2024	NTRS NORTHERN TRUST CORP	Tax Payment(F)	851	$110.31	$93,874	Direct
Nov 7, 2024	NTRS NORTHERN TRUST CORP	Sale(S)	5,000	$105.80	$529,000	Direct
Oct 28, 2024	NTRS NORTHERN TRUST CORP	Gift(G)	500	-	$0	Direct

1-21 of 21 transactions

About South Thomas A

South Thomas A (SEC CIK 0001751051) files insider reports with the SEC as Executive Vice President of NORTHERN TRUST CORP (NTRS).

Signal8 holds 16 ownership filings by South Thomas A, all Form 4s, filed between Oct 29, 2024 and Aug 25, 2026. Those filings report 21 transactions, from Oct 28, 2024 to Aug 24, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on South Thomas A's filings is in CHICAGO, IL.

Recent filings by South Thomas A

Aug 24, 2026: Open-market sale of NTRS shares (Form 4, code S).
May 22, 2026: Gift of NTRS shares (Form 4, code G).
May 4, 2026: Gift of NTRS shares (Form 4, code G).
Mar 1, 2026: Tax withholding of NTRS shares (Form 4, code F).
Feb 17, 2026: Tax withholding of NTRS shares (Form 4, code F).

Other insiders filing for NORTHERN TRUST CORP (NTRS)

Moritz Robert Edward Jr., Director
SMITH DAVID BYRON JR, Director
Levy Susan Cohen, EVP and General Counsel
Qureshi Rima, Director
Taylor Alexandria, Chief Administrative Officer
Tribbett Charles A, Director

How to read Form 4 transaction codes