Transaction · 0001791477-26-000001

Calderon Nancy E.

Calderon Nancy E., DIR, reported a transaction classified as unknown at NORTHERN TECHNOLOGIES INTERNATIONAL CORP involving 2.698300 shares for an estimated $21.91. Reported holdings after the transaction were 14746.646200 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code LDIR
NTICNORTHERN TECHNOLOGIES INTERNATIONAL CORP
Filing timeSep 03
Trade dateNov 12, 2025
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

NTIC price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
NTIC since 2026-09-03Filed 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
unknown
Code L
Identifier
0001791477-26-000001
Common Stock
Transaction date
Nov 12, 2025
Filed Sep 03, 2026, 08:01 PM · 295d delay
Shares
3 sh
$812 per share
Estimated value
$2.19k
Computed from shares × price
Holdings after
14.7k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
delayed filingThe filing was reported 295 calendar days after the transaction date.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Delayed Filing Direct Ownership
0score
Filing-only score

0

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

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

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

    These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan,…

  2. F2

    Includes 6,188 shares issuable upon vesting and settlement of restricted stock units and 51.5901 shares held in the Reporting Person's IRA.

Original filing · 0001791477-26-000001
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