NORTHERN TRUST CORP (NTRS) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-02

NORTHERN TRUST CORP (NTRS) has filed 29 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 3 Form 8-K material event filings were reported by NTRS in the last 90 days. 3 Form 144 notices of proposed sale were filed for NTRS stock. InsiderAlpha tracks every NTRS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About NORTHERN TRUST CORP (NTRS)

SIC classification	State Commercial Banks (SIC 6022)
SEC CIK	0000073124

90-Day SEC Filing Activity

Form 4 filings (90d)	29
Form 8-K filings (90d)	3
Form 144 notices (90d)	3
Latest Form 4 filing	2026-07-02

Recent NTRS Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-07-01	SLARK MARTIN P	Director	A — Grant or award	62	$175.60	$11K	SEC
2026-07-01	Harrison Dean M	Director	A — Grant or award	131	$175.60	$23K	SEC
2026-07-01	Dhandapani Chandra	Director	A — Grant or award	26	$175.60	$5K	SEC
2026-07-01	CROWN SUSAN	Director	A — Grant or award	76	$175.60	$13K	SEC
2026-07-01	Thompson Donald	Director	A — Grant or award	126	$175.60	$22K	SEC
2026-07-01	Tribbett Charles A	Director	A — Grant or award	70	$175.60	$12K	SEC
2026-07-01	Petrino Richard	Director	A — Grant or award	5	$175.60	$946	SEC
2026-07-01	Mehta Siddharth N	Director	A — Grant or award	27	$175.60	$5K	SEC
2026-07-01	Klevorn Marcy S	Director	A — Grant or award	57	$175.60	$10K	SEC
2026-06-30	Thompson Donald	Director	A — Grant or award	216	$173.84	$38K	SEC
2026-06-30	Harrison Dean M	Director	A — Grant or award	259	$173.84	$45K	SEC
2026-06-30	Dhandapani Chandra	Director	A — Grant or award	201	$173.84	$35K	SEC
2026-06-03	Hallinan Aengus	Executive Vice President	S — Open-market sale	2.6K	$167.10	$427K	SEC
2026-06-03	Hallinan Aengus	Executive Vice President	S — Open-market sale	1.1K	$167.96	$187K	SEC
2026-06-01	Hallinan Aengus	Executive Vice President	F — Tax withholding / forfeiture	2.7K	$166.82	$452K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for NORTHERN TRUST CORP (NTRS). Updated in real time as new filings are submitted to the SEC.

Most-Active NTRS Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Dhandapani Chandra	4	$46K
Harrison Dean M	4	$74K
Thompson Donald	4	$66K
CROWN SUSAN	3	$19K
SLARK MARTIN P	3	$17K

Recent NTRS Form 8-K Material Events

2026-04-22 — Item 5.07, 9.01 · Other · neutral [SEC]
Northern Trust Corporation held its 2026 annual stockholder meeting on April 21, 2026, where all 13 director nominees were elected, executive compensation was approved by advisory vote, the 2026 Employee Stock Purchase Plan was approved, and KPMG LLP was ratified as the independe
2026-04-21 — Item 7.01, 9.01 · Other · neutral [SEC]
Northern Trust Corporation's Chairman and CEO Michael G. O'Grady presented at the company's Annual Meeting of Stockholders on April 21, 2026. The presentation slides have been made available for replay on the company's investor relations website.
2026-04-21 — Item 2.02, 7.01, 9.01 · Earnings · neutral [SEC]
Northern Trust Corporation reported Q1 2026 earnings for the three months ended March 31, 2026. The filing includes a press release, presentation materials, and financial trends disclosure in connection with a conference call to discuss results.

Recent NTRS Form 144 Notices of Proposed Sale

2026-06-03 — — [SEC]
2026-04-28 — — [SEC]
2026-04-24 — — [SEC]

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

2026-07-02 — Tribbett Charles A (Director)
2026-07-02 — Thompson Donald (Director)
2026-07-02 — SLARK MARTIN P (Director)
2026-07-02 — Petrino Richard (Director)
2026-07-02 — Mehta Siddharth N (Director)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NTRS insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

NTRS Insider Trading — FAQ

What is the latest insider trade for NTRS?: NORTHERN TRUST CORP (NTRS) had 29 insider filings in the last 90 days, with the most recent on 2026-07-02. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying NTRS stock?: 0 insider purchases of NTRS were filed in the last 90 days.
How many insiders are selling NTRS stock?: 0 insider sales of NTRS were filed in the last 90 days.
Where can I see NTRS SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every NTRS SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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