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NORTHERN TECHNOLOGIES INTERNATIONAL CORP

NTIC Net selling

CIK 0000875582 #4488 in the set updated 17 Sep 2026

Bought (120 mo)

$131.85K

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$247.05K

$0.00 on a plan · $96.06K straight out of an exercise

Sold at will

$150.98K

2 of 4 sales

Net

−$115.20K

−$19.14K against sales at will

By person

12 insiders · 46 transactions

56.7×

G. Patrick Lynch holds 56.7 times base salary in stock. $29.71M of shares against $523.75K in salary for 2025.

Salary from the company's own proxy. The shares are what G. Patrick Lynch last reported holding, valued at $8.00, the price Common Stock was last bought or sold at on the open market here, on 30 Jul 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

LYNCH G PATRICK

President and CEO

—

$128.52K (2)

−$128.52K

3,715,286

39.12%

$29.71M

+0.8%

NIGON RICHARD

Director

—

$118.53K (2) scheduled

−$118.53K

54,574

0.5747%

$436.41K

+117.4%

Kemp Sarah E.

Director

$80.02K (4)

—

+$80.02K

22,458

0.2365%

$179.59K

—

Calderon Nancy E.

Director

$43.87K (5)

—

+$43.87K

20,940

0.2205%

$167.45K

+135,372%

von Falkenhausen Konstantin

Director

$7.95K (1)

—

+$7.95K

18,219

0.1919%

$145.69K

+1,418%

WOLSFELD MATTHEW C

CFO and Corporate Secretary

—

170,966

1.80%

$1.37M

+26.8%

Ramdas Gautam

President and CEO

—

118,932

1.25%

$951.07K

+58.3%

Narayan Ramani

Director

—

106,763

1.12%

$853.75K

+205.0%

Keong Koh Soo

Director

—

101,095

1.06%

$808.43K

+244.7%

Pinho Cristina Lucia Duarte

Director

—

16,698

0.1758%

$133.53K

—

Lee Sunggyu

Director

—

9,507

0.1001%

$76.02K

—

Colwell Barbara D.

Director

—

1,500

0.0158%

$12.00K

0.0%

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 115

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 2

Sales at will 2

Transactions with no price 0

Shares from compensation/vesting 556,726

History held since 6 Sep 2016