Transaction · 0001012930-26-000010

SLARK MARTIN P

SLARK MARTIN P, DIR, reported a transaction classified as grant at NORTHERN TRUST CORP involving 70.650000 shares for an estimated $11953.98. Reported holdings after the transaction were 22467.720000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ADIR
NTRSNORTHERN TRUST CORP
Filing timeOct 02
Trade dateOct 01, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$171.40
Pre-filing
1mo ago +8.6%1w ago +1.8%1d ago -1.2%
Returns since
7d30d90d180d1y

NTRS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
NTRS since 2026-10-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
grant
Code A
Identifier
0001012930-26-000010
Common Stock
Transaction date
Oct 01, 2026
Filed Oct 02, 2026, 09:55 PM · 1d delay
Shares
71 sh
$169.20 per share
Estimated value
$11.9k
Computed from shares × price
Holdings after
22.4k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-12score
Filing-only score

-12

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Original filing · 0001012930-26-000010
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

NTRS